gearsco.de
A chess library for Gleam
Pregenerate hash data to make computing hashes faster
+1499
-133
+67
dev/starfish_dev.gleam
+67
dev/starfish_dev.gleam
···
1
+
import gleam/int
2
+
import simplifile as file
3
+
import starfish/internal/board
4
+
5
+
const generated_file_path = "src/starfish/internal/generated.gleam"
6
+
7
+
const piece_count = 12
8
+
9
+
pub fn main() {
10
+
let imports =
11
+
"import starfish/internal/board.{Pawn, Knight, Bishop, Rook, Queen, King, White, Black}"
12
+
13
+
let generated_code = imports <> "\n\n" <> generate_hash_data() <> "\n"
14
+
let assert Ok(Nil) =
15
+
file.write(to: generated_file_path, contents: generated_code)
16
+
}
17
+
18
+
const max_60_bit_int = 576_460_752_303_423_500
19
+
20
+
fn generate_hash_data() -> String {
21
+
let function_head =
22
+
"pub fn hash_for_piece(piece: board.Piece, colour: board.Colour, position: Int) -> Int {
23
+
case piece, colour, position {"
24
+
let length = piece_count * board.size
25
+
let hash_for_piece = generate_hash_data_loop(function_head, 0, length)
26
+
let black_to_move =
27
+
"pub const black_to_move_hash = 0x"
28
+
<> int.to_base16(int.random(max_60_bit_int))
29
+
30
+
hash_for_piece <> "\n\n" <> black_to_move
31
+
}
32
+
33
+
fn generate_hash_data_loop(acc: String, generated: Int, length: Int) -> String {
34
+
case generated >= length {
35
+
True -> acc <> "\n }\n}"
36
+
False -> {
37
+
let position = generated / piece_count
38
+
let position = case position == board.size - 1 {
39
+
True -> "_"
40
+
False -> int.to_string(position)
41
+
}
42
+
let piece = case generated % piece_count {
43
+
0 -> "Pawn, White"
44
+
1 -> "Pawn, Black"
45
+
2 -> "Knight, White"
46
+
3 -> "Knight, Black"
47
+
4 -> "Bishop, White"
48
+
5 -> "Bishop, Black"
49
+
6 -> "Rook, White"
50
+
7 -> "Rook, Black"
51
+
8 -> "Queen, White"
52
+
9 -> "Queen, Black"
53
+
10 -> "King, White"
54
+
_11 -> "King, Black"
55
+
}
56
+
let acc =
57
+
acc
58
+
<> "\n "
59
+
<> piece
60
+
<> ", "
61
+
<> position
62
+
<> " -> 0x"
63
+
<> int.to_base16(int.random(max_60_bit_int))
64
+
generate_hash_data_loop(acc, generated + 1, length)
65
+
}
66
+
}
67
+
}
+1
gleam.toml
+1
gleam.toml
+3
manifest.toml
+3
manifest.toml
···
3
3
4
4
packages = [
5
5
{ name = "birl", version = "1.8.0", build_tools = ["gleam"], requirements = ["gleam_regexp", "gleam_stdlib", "ranger"], otp_app = "birl", source = "hex", outer_checksum = "2AC7BA26F998E3DFADDB657148BD5DDFE966958AD4D6D6957DD0D22E5B56C400" },
6
+
{ name = "filepath", version = "1.1.2", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "filepath", source = "hex", outer_checksum = "B06A9AF0BF10E51401D64B98E4B627F1D2E48C154967DA7AF4D0914780A6D40A" },
6
7
{ name = "gleam_regexp", version = "1.1.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_regexp", source = "hex", outer_checksum = "9C215C6CA84A5B35BB934A9B61A9A306EC743153BE2B0425A0D032E477B062A9" },
7
8
{ name = "gleam_stdlib", version = "0.62.1", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "0080706D3A5A9A36C40C68481D1D231D243AF602E6D2A2BE67BA8F8F4DFF45EC" },
8
9
{ name = "gleam_time", version = "1.4.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_time", source = "hex", outer_checksum = "DCDDC040CE97DA3D2A925CDBBA08D8A78681139745754A83998641C8A3F6587E" },
···
12
13
{ name = "iv", version = "1.3.2", build_tools = ["gleam"], requirements = ["gleam_stdlib", "gleam_yielder"], otp_app = "iv", source = "hex", outer_checksum = "1FE22E047705BE69EA366E3A2E73C2E1310CBCB27DDE767DE17AE3FA86499947" },
13
14
{ name = "pocket_watch", version = "1.0.0", build_tools = ["gleam"], requirements = ["birl", "gleam_stdlib", "humanise"], otp_app = "pocket_watch", source = "hex", outer_checksum = "CD8784CAC29735CDC2E6A67212FFC1C60A13A48D8F74470CE3DE15D41447227C" },
14
15
{ name = "ranger", version = "1.4.0", build_tools = ["gleam"], requirements = ["gleam_stdlib", "gleam_yielder"], otp_app = "ranger", source = "hex", outer_checksum = "C8988E8F8CDBD3E7F4D8F2E663EF76490390899C2B2885A6432E942495B3E854" },
16
+
{ name = "simplifile", version = "2.3.0", build_tools = ["gleam"], requirements = ["filepath", "gleam_stdlib"], otp_app = "simplifile", source = "hex", outer_checksum = "0A868DAC6063D9E983477981839810DC2E553285AB4588B87E3E9C96A7FB4CB4" },
15
17
]
16
18
17
19
[requirements]
···
19
21
gleeunit = { version = ">= 1.0.0 and < 2.0.0" }
20
22
iv = { version = ">= 1.3.2 and < 2.0.0" }
21
23
pocket_watch = { version = ">= 1.0.0 and < 2.0.0" }
24
+
simplifile = { version = ">= 2.3.0 and < 3.0.0" }
+6
-3
src/starfish/internal/evaluate.gleam
+6
-3
src/starfish/internal/evaluate.gleam
···
3
3
import starfish/internal/board
4
4
import starfish/internal/game
5
5
import starfish/internal/move
6
+
import starfish/internal/piece_table
6
7
7
8
/// Statically evaluates a position. Does not take into account checkmate or
8
9
/// stalemate, those must be accounted for beforehand.
···
14
15
}
15
16
16
17
fn evaluate_position(game: game.Game) -> Int {
17
-
use eval, _position, #(piece, colour) <- dict.fold(game.board, 0)
18
+
use eval, position, #(piece, colour) <- dict.fold(game.board, 0)
19
+
let score =
20
+
piece_score(piece) + piece_table.piece_score(piece, colour, position)
18
21
case colour == game.to_move {
19
-
True -> eval + piece_score(piece)
20
-
False -> eval - piece_score(piece)
22
+
True -> eval + score
23
+
False -> eval - score
21
24
}
22
25
}
23
26
+3
-18
src/starfish/internal/game.gleam
+3
-18
src/starfish/internal/game.gleam
···
7
7
import starfish/internal/board.{Black, White}
8
8
import starfish/internal/hash
9
9
import starfish/internal/move/attack
10
-
import starfish/internal/piece_table
11
10
12
11
pub type Castling {
13
12
Castling(
···
29
28
full_moves: Int,
30
29
// Extra information
31
30
zobrist_hash: Int,
32
-
hash_data: hash.HashData,
33
-
piece_tables: piece_table.PieceTables,
34
31
previous_positions: Set(Int),
35
32
attack_information: attack.AttackInformation,
36
33
)
···
40
37
41
38
pub fn initial_position() -> Game {
42
39
let to_move = White
43
-
let hash_data = hash.generate_data()
44
-
let piece_tables = piece_table.construct_tables()
45
40
let board = board.initial_position()
46
-
let zobrist_hash = hash.hash(hash_data, board, to_move)
41
+
let zobrist_hash = hash.hash(board, to_move)
47
42
let attack_information = attack.calculate(board, to_move)
48
43
49
44
Game(
···
54
49
half_moves: 0,
55
50
full_moves: 1,
56
51
zobrist_hash:,
57
-
hash_data:,
58
-
piece_tables:,
59
52
previous_positions: set.new(),
60
53
attack_information:,
61
54
)
···
99
92
Ok(#(moves, _)) -> moves
100
93
}
101
94
102
-
let hash_data = hash.generate_data()
103
-
let piece_tables = piece_table.construct_tables()
104
-
let zobrist_hash = hash.hash(hash_data, board, to_move)
95
+
let zobrist_hash = hash.hash(board, to_move)
105
96
let attack_information = attack.calculate(board, to_move)
106
97
107
98
Game(
···
112
103
half_moves:,
113
104
full_moves:,
114
105
zobrist_hash:,
115
-
hash_data:,
116
-
piece_tables:,
117
106
previous_positions: set.new(),
118
107
attack_information:,
119
108
)
···
244
233
let fen = strip_spaces(fen)
245
234
use <- bool.guard(fen != "", Error(TrailingData(fen)))
246
235
247
-
let hash_data = hash.generate_data()
248
-
let piece_tables = piece_table.construct_tables()
249
-
let zobrist_hash = hash.hash(hash_data, board, to_move)
236
+
let zobrist_hash = hash.hash(board, to_move)
250
237
let attack_information = attack.calculate(board, to_move)
251
238
252
239
Ok(Game(
···
257
244
half_moves:,
258
245
full_moves:,
259
246
zobrist_hash:,
260
-
hash_data:,
261
-
piece_tables:,
262
247
previous_positions: set.new(),
263
248
attack_information:,
264
249
))
+782
src/starfish/internal/generated.gleam
+782
src/starfish/internal/generated.gleam
···
1
+
import starfish/internal/board.{
2
+
Bishop, Black, King, Knight, Pawn, Queen, Rook, White,
3
+
}
4
+
5
+
pub fn hash_for_piece(
6
+
piece: board.Piece,
7
+
colour: board.Colour,
8
+
position: Int,
9
+
) -> Int {
10
+
case piece, colour, position {
11
+
Pawn, White, 0 -> 0x3AEE1865C8A7A00
12
+
Pawn, Black, 0 -> 0x6EC1C0812F7D00
13
+
Knight, White, 0 -> 0x36D86050808D480
14
+
Knight, Black, 0 -> 0x778F07100D6F380
15
+
Bishop, White, 0 -> 0x3C22074287B0300
16
+
Bishop, Black, 0 -> 0x187F6B077AEF9C0
17
+
Rook, White, 0 -> 0x1357EE010778880
18
+
Rook, Black, 0 -> 0x48A29FC6DE50E40
19
+
Queen, White, 0 -> 0x5DCE73C07B08340
20
+
Queen, Black, 0 -> 0x2988606B3ED2A40
21
+
King, White, 0 -> 0x45FBD0504603E40
22
+
King, Black, 0 -> 0x95EEE0C6F07F00
23
+
Pawn, White, 1 -> 0x333612084CC1C0
24
+
Pawn, Black, 1 -> 0x1770E31D5A1D2C0
25
+
Knight, White, 1 -> 0x7CFC377F1BD82C0
26
+
Knight, Black, 1 -> 0x16B57C5F3611D40
27
+
Bishop, White, 1 -> 0x10F075D7E46A340
28
+
Bishop, Black, 1 -> 0x284F7E8AA0AD480
29
+
Rook, White, 1 -> 0x15DEF9393918C00
30
+
Rook, Black, 1 -> 0x62263AA381C2400
31
+
Queen, White, 1 -> 0x7E901E75A983780
32
+
Queen, Black, 1 -> 0x8BB9F737CBF80
33
+
King, White, 1 -> 0x168F34B6220EE00
34
+
King, Black, 1 -> 0x386FCE0E1B35F00
35
+
Pawn, White, 2 -> 0x6C6B442B1F59300
36
+
Pawn, Black, 2 -> 0x3A6BF173FC37940
37
+
Knight, White, 2 -> 0x63A6F4FF60B7240
38
+
Knight, Black, 2 -> 0x732634B70ACFE40
39
+
Bishop, White, 2 -> 0x320EE7649063C00
40
+
Bishop, Black, 2 -> 0x65F972D5D00DA40
41
+
Rook, White, 2 -> 0x39480095E377C00
42
+
Rook, Black, 2 -> 0x1A443C4B46A780
43
+
Queen, White, 2 -> 0x73FDBBF2D973840
44
+
Queen, Black, 2 -> 0x1B291B796E4C140
45
+
King, White, 2 -> 0x7759489DC4E9F00
46
+
King, Black, 2 -> 0x313CE153CD40140
47
+
Pawn, White, 3 -> 0xAD4B8F649EAE00
48
+
Pawn, Black, 3 -> 0x14EEBFF65BA2E40
49
+
Knight, White, 3 -> 0x5465F58A6DA4E00
50
+
Knight, Black, 3 -> 0x50BC0DEE9EFD3C0
51
+
Bishop, White, 3 -> 0x4F6BE2CDF6EF580
52
+
Bishop, Black, 3 -> 0x1E5EC02D46D09C0
53
+
Rook, White, 3 -> 0x6B9890D9785AFC0
54
+
Rook, Black, 3 -> 0x5C1F5E34CFF8DC0
55
+
Queen, White, 3 -> 0x1D16B2B4D868200
56
+
Queen, Black, 3 -> 0x6C52F9931894200
57
+
King, White, 3 -> 0x10FABE5A5321040
58
+
King, Black, 3 -> 0x4A6C0C99EEB3E00
59
+
Pawn, White, 4 -> 0xCC955687DBA8C0
60
+
Pawn, Black, 4 -> 0x53F20EBADD2E540
61
+
Knight, White, 4 -> 0x768EF3D3ED2EBC0
62
+
Knight, Black, 4 -> 0x7B8EF55ADE20800
63
+
Bishop, White, 4 -> 0x146D027B4014580
64
+
Bishop, Black, 4 -> 0x79557AB6644CB40
65
+
Rook, White, 4 -> 0xE6D0DEEF60DE40
66
+
Rook, Black, 4 -> 0x57CC3A823813A40
67
+
Queen, White, 4 -> 0x7B86EE046F85CC0
68
+
Queen, Black, 4 -> 0x60E117A8A61EF80
69
+
King, White, 4 -> 0x798163A131E880
70
+
King, Black, 4 -> 0x35926A6E9CAB040
71
+
Pawn, White, 5 -> 0x7891CB0D6DE7480
72
+
Pawn, Black, 5 -> 0x44C457F57D58740
73
+
Knight, White, 5 -> 0x6EB03513BB1E900
74
+
Knight, Black, 5 -> 0x68936029F72F9C0
75
+
Bishop, White, 5 -> 0x1D88A9E8BC12140
76
+
Bishop, Black, 5 -> 0x3C87938AF272600
77
+
Rook, White, 5 -> 0x58AF963DD68D4C0
78
+
Rook, Black, 5 -> 0x7CF6C36BE29C6C0
79
+
Queen, White, 5 -> 0x3FF303F01F365C0
80
+
Queen, Black, 5 -> 0x65AC89552EC9880
81
+
King, White, 5 -> 0x73E7D38FB34C340
82
+
King, Black, 5 -> 0x23AA19095109640
83
+
Pawn, White, 6 -> 0x521E9636B096A00
84
+
Pawn, Black, 6 -> 0x45E5E9C2BAAFF80
85
+
Knight, White, 6 -> 0x8A62F888F92280
86
+
Knight, Black, 6 -> 0x457636F7F5F2780
87
+
Bishop, White, 6 -> 0x6E62A8FE5CA1A00
88
+
Bishop, Black, 6 -> 0x47D5B56CB680C80
89
+
Rook, White, 6 -> 0xC78FBF3AC9CC00
90
+
Rook, Black, 6 -> 0x7E00C2DF8CD4CC0
91
+
Queen, White, 6 -> 0x88976F85CE4400
92
+
Queen, Black, 6 -> 0x389054569699900
93
+
King, White, 6 -> 0x4049507709FB4C0
94
+
King, Black, 6 -> 0x798EA2E83744780
95
+
Pawn, White, 7 -> 0x315385868E65100
96
+
Pawn, Black, 7 -> 0xA2464F3AB08780
97
+
Knight, White, 7 -> 0x4AF8B42F39ED3C0
98
+
Knight, Black, 7 -> 0x75DA414DC6B91C0
99
+
Bishop, White, 7 -> 0x3D8CD709F530DC0
100
+
Bishop, Black, 7 -> 0x367B0837C9B5B40
101
+
Rook, White, 7 -> 0x785F34A52872C40
102
+
Rook, Black, 7 -> 0x5893BC7B5169340
103
+
Queen, White, 7 -> 0x2DE6F62AC00A540
104
+
Queen, Black, 7 -> 0x71E28FE1CEB6B00
105
+
King, White, 7 -> 0x7954FF935725740
106
+
King, Black, 7 -> 0x7F9693449A07D80
107
+
Pawn, White, 8 -> 0x29CC83F21701840
108
+
Pawn, Black, 8 -> 0x2814CB70B023240
109
+
Knight, White, 8 -> 0x6AAE54D7F5173C0
110
+
Knight, Black, 8 -> 0x6D1FA4939949780
111
+
Bishop, White, 8 -> 0x607B775030461C0
112
+
Bishop, Black, 8 -> 0x237705DD6FAC1C0
113
+
Rook, White, 8 -> 0x6EB57BDCAE0C400
114
+
Rook, Black, 8 -> 0x390D513C39A9B40
115
+
Queen, White, 8 -> 0x1A4E869373EC940
116
+
Queen, Black, 8 -> 0x3C88D5C3DDF3A80
117
+
King, White, 8 -> 0x7B8D5E6C8C69A40
118
+
King, Black, 8 -> 0x20D7B63A3A95C40
119
+
Pawn, White, 9 -> 0x462A60B22C6EE40
120
+
Pawn, Black, 9 -> 0x11D3B0DCFCC97C0
121
+
Knight, White, 9 -> 0x17DF080630A1AC0
122
+
Knight, Black, 9 -> 0x156A31747406540
123
+
Bishop, White, 9 -> 0xD52C5EB2B1340
124
+
Bishop, Black, 9 -> 0x1452EB9BDAF9140
125
+
Rook, White, 9 -> 0x5BBE198F1FE9600
126
+
Rook, Black, 9 -> 0x10E1E6ED3119900
127
+
Queen, White, 9 -> 0x12C52EFF4AEF140
128
+
Queen, Black, 9 -> 0xBD63A24A20E6C0
129
+
King, White, 9 -> 0x6DC7296D60D2940
130
+
King, Black, 9 -> 0x311019B62104540
131
+
Pawn, White, 10 -> 0x7B31CF43CA8E840
132
+
Pawn, Black, 10 -> 0x668B3BF73DA2340
133
+
Knight, White, 10 -> 0x685946F6A682240
134
+
Knight, Black, 10 -> 0x15DF328CB69C180
135
+
Bishop, White, 10 -> 0x7C20C10D56A2780
136
+
Bishop, Black, 10 -> 0x7BD676FB70174C0
137
+
Rook, White, 10 -> 0x61F07EEEC395FC0
138
+
Rook, Black, 10 -> 0x4AEE2905EB59440
139
+
Queen, White, 10 -> 0x68501CCBD2B1100
140
+
Queen, Black, 10 -> 0x437DC8645378C40
141
+
King, White, 10 -> 0x2504F3CCD378B40
142
+
King, Black, 10 -> 0x2C39F13C5AED9C0
143
+
Pawn, White, 11 -> 0x6AF50ABD0F4D640
144
+
Pawn, Black, 11 -> 0xD5F702BA729980
145
+
Knight, White, 11 -> 0x60A2BB2DA1C50C0
146
+
Knight, Black, 11 -> 0x2EB2E6169F5C380
147
+
Bishop, White, 11 -> 0x57C0748F7417680
148
+
Bishop, Black, 11 -> 0x1C5A76E3EC7140
149
+
Rook, White, 11 -> 0xCBB60B9616F480
150
+
Rook, Black, 11 -> 0x2A8D7D25847FCC0
151
+
Queen, White, 11 -> 0x3B073673A4BDE80
152
+
Queen, Black, 11 -> 0x21814782BE27EC0
153
+
King, White, 11 -> 0x51AD76120ED4400
154
+
King, Black, 11 -> 0x5928EBF8A28CCC0
155
+
Pawn, White, 12 -> 0x44AE208DF73A040
156
+
Pawn, Black, 12 -> 0x57A1C3659530D00
157
+
Knight, White, 12 -> 0x24E16DD04BF8D80
158
+
Knight, Black, 12 -> 0x73CD7CBED925B00
159
+
Bishop, White, 12 -> 0x6E2121CB84F3BC0
160
+
Bishop, Black, 12 -> 0x8BC555CFC71B40
161
+
Rook, White, 12 -> 0x29BB2FF48A2BA80
162
+
Rook, Black, 12 -> 0x372D308F6FF3D00
163
+
Queen, White, 12 -> 0x4F2E6CF12D06800
164
+
Queen, Black, 12 -> 0x67173565EB94700
165
+
King, White, 12 -> 0x7A846D55635CF00
166
+
King, Black, 12 -> 0x2E75857ABE5F080
167
+
Pawn, White, 13 -> 0x2C3686FBDCE4700
168
+
Pawn, Black, 13 -> 0x50C0E7A4815A1C0
169
+
Knight, White, 13 -> 0x2B3B0DA1E02F200
170
+
Knight, Black, 13 -> 0xEF03A62832C680
171
+
Bishop, White, 13 -> 0x42D589AD73AB2C0
172
+
Bishop, Black, 13 -> 0x3B823E896890380
173
+
Rook, White, 13 -> 0x713F68653623200
174
+
Rook, Black, 13 -> 0x7D1C13BDC9A5680
175
+
Queen, White, 13 -> 0x282C27BD656F340
176
+
Queen, Black, 13 -> 0x3338D373C1D5FC0
177
+
King, White, 13 -> 0x4F86047F3F64D00
178
+
King, Black, 13 -> 0x6B1D7DC3D371280
179
+
Pawn, White, 14 -> 0xFB887EF209B800
180
+
Pawn, Black, 14 -> 0x1658B2D0EA9DB40
181
+
Knight, White, 14 -> 0x4C8146A2B3E6040
182
+
Knight, Black, 14 -> 0x25D9D81E958BAC0
183
+
Bishop, White, 14 -> 0x7E0238109343F80
184
+
Bishop, Black, 14 -> 0x1F498F07B448D80
185
+
Rook, White, 14 -> 0x518CDAE0E75600
186
+
Rook, Black, 14 -> 0x2E18976A52BEB40
187
+
Queen, White, 14 -> 0x365DC461EEF3280
188
+
Queen, Black, 14 -> 0x5D1BA5FC08BD380
189
+
King, White, 14 -> 0x4E8D3E3C92F80
190
+
King, Black, 14 -> 0x4D4BC41258CD480
191
+
Pawn, White, 15 -> 0x1C1EDA03482F900
192
+
Pawn, Black, 15 -> 0x2164A5703F7CC0
193
+
Knight, White, 15 -> 0x6D0B3FA6E8F840
194
+
Knight, Black, 15 -> 0x35D41D1656DA400
195
+
Bishop, White, 15 -> 0x367977A1C14840
196
+
Bishop, Black, 15 -> 0x3747D336B1D8640
197
+
Rook, White, 15 -> 0x2798F87A778DE40
198
+
Rook, Black, 15 -> 0x4F982EB551ECC80
199
+
Queen, White, 15 -> 0x7484B8DF78E3BC0
200
+
Queen, Black, 15 -> 0x6E2F14E1CCEA5C0
201
+
King, White, 15 -> 0x594005217375680
202
+
King, Black, 15 -> 0x66FC65AB00F2F80
203
+
Pawn, White, 16 -> 0x4FE4CC1AC35A2C0
204
+
Pawn, Black, 16 -> 0x6127358DCD81E00
205
+
Knight, White, 16 -> 0x6A582E884E1B9C0
206
+
Knight, Black, 16 -> 0x43DAA9592559F00
207
+
Bishop, White, 16 -> 0x5692E332942EF80
208
+
Bishop, Black, 16 -> 0x6D520FDCB1F6F00
209
+
Rook, White, 16 -> 0x5D8B16248483A40
210
+
Rook, Black, 16 -> 0x7DA80315B99F540
211
+
Queen, White, 16 -> 0x26C18A181EED1C0
212
+
Queen, Black, 16 -> 0x2571306CE7D8380
213
+
King, White, 16 -> 0x6C3171F39186A00
214
+
King, Black, 16 -> 0x123B1F6C60B5180
215
+
Pawn, White, 17 -> 0x3BDB1AA4D1AF400
216
+
Pawn, Black, 17 -> 0x457EA5953A90740
217
+
Knight, White, 17 -> 0x671C8D1F561BB40
218
+
Knight, Black, 17 -> 0x63C11EA65711240
219
+
Bishop, White, 17 -> 0x21948512AFFC480
220
+
Bishop, Black, 17 -> 0x598E77DFAA0E040
221
+
Rook, White, 17 -> 0x573EC352EFE8D00
222
+
Rook, Black, 17 -> 0x1E5A2FB0D003F40
223
+
Queen, White, 17 -> 0x6A8020B1A3B8CC0
224
+
Queen, Black, 17 -> 0x2C0E16859A96600
225
+
King, White, 17 -> 0x5D53C27B1FA0B00
226
+
King, Black, 17 -> 0x64F0D0F06D03C0
227
+
Pawn, White, 18 -> 0x564C0C8B42CE4C0
228
+
Pawn, Black, 18 -> 0x3F3AFC4EDF990C0
229
+
Knight, White, 18 -> 0x239CC5A06E6FC00
230
+
Knight, Black, 18 -> 0x2A5BC1477C2AA00
231
+
Bishop, White, 18 -> 0x3B6809333037DC0
232
+
Bishop, Black, 18 -> 0x55FC6D91B61D5C0
233
+
Rook, White, 18 -> 0x66C2AFF510CF240
234
+
Rook, Black, 18 -> 0x24054F5A660700
235
+
Queen, White, 18 -> 0x782B5F436926C40
236
+
Queen, Black, 18 -> 0x15CFD8A4B9BACC0
237
+
King, White, 18 -> 0x415DF822FCD7140
238
+
King, Black, 18 -> 0x6286B82CA971900
239
+
Pawn, White, 19 -> 0x16D561EA1A5D140
240
+
Pawn, Black, 19 -> 0x407C5E8659F1C40
241
+
Knight, White, 19 -> 0x40EAF57997DF640
242
+
Knight, Black, 19 -> 0xBE6BACFBA4CB40
243
+
Bishop, White, 19 -> 0x81CD33F5138A40
244
+
Bishop, Black, 19 -> 0x86D741D2F2B680
245
+
Rook, White, 19 -> 0x48730AF605D3C80
246
+
Rook, Black, 19 -> 0x49737EFE46D740
247
+
Queen, White, 19 -> 0x2463F7F06B681C0
248
+
Queen, Black, 19 -> 0x343FCD239A8DF80
249
+
King, White, 19 -> 0x4C09DB5ABBA0C0
250
+
King, Black, 19 -> 0x7595D586FAF9000
251
+
Pawn, White, 20 -> 0x1EB0CCCABF3EA40
252
+
Pawn, Black, 20 -> 0x5BD68853FE77E00
253
+
Knight, White, 20 -> 0x673D746A145ED40
254
+
Knight, Black, 20 -> 0x4DBF10A25F5E680
255
+
Bishop, White, 20 -> 0xC4C3A28DF4C400
256
+
Bishop, Black, 20 -> 0x4C5BCEA0FEE9340
257
+
Rook, White, 20 -> 0x5C1A5757904B100
258
+
Rook, Black, 20 -> 0x51E5E19B760C00
259
+
Queen, White, 20 -> 0x6F693D46AD7E3C0
260
+
Queen, Black, 20 -> 0x166B8DDC96442C0
261
+
King, White, 20 -> 0xF17BC7EC1AD500
262
+
King, Black, 20 -> 0x57551158CC4C980
263
+
Pawn, White, 21 -> 0x6ACFFE88A36EB80
264
+
Pawn, Black, 21 -> 0x2B79FB951CA1B40
265
+
Knight, White, 21 -> 0x1A86B74D81B1DC0
266
+
Knight, Black, 21 -> 0x2E3426B67EBBB40
267
+
Bishop, White, 21 -> 0x7F6DB0AB66678C0
268
+
Bishop, Black, 21 -> 0x950FA68DB09A00
269
+
Rook, White, 21 -> 0x34F3B91E0F1ED40
270
+
Rook, Black, 21 -> 0x3CE7FFA35480680
271
+
Queen, White, 21 -> 0x3E0CBF90BF8BB00
272
+
Queen, Black, 21 -> 0x508CEDBFAF075C0
273
+
King, White, 21 -> 0x4AFB903AD8625C0
274
+
King, Black, 21 -> 0x7FAD27F6E48A3C0
275
+
Pawn, White, 22 -> 0x1D988BA7859C800
276
+
Pawn, Black, 22 -> 0x2D44449FDD60F00
277
+
Knight, White, 22 -> 0x2201DFBBD5EB5C0
278
+
Knight, Black, 22 -> 0x40E6D0257CCE100
279
+
Bishop, White, 22 -> 0x524279B87E93B00
280
+
Bishop, Black, 22 -> 0x4B0561BF40A62C0
281
+
Rook, White, 22 -> 0x470FC3824A8E500
282
+
Rook, Black, 22 -> 0x6D5BB1C5FE8C300
283
+
Queen, White, 22 -> 0x59A28BABDDDBF00
284
+
Queen, Black, 22 -> 0x4820EBC34FB84C0
285
+
King, White, 22 -> 0x7166A5D46816D80
286
+
King, Black, 22 -> 0x5D06CC06A37FDC0
287
+
Pawn, White, 23 -> 0x4D249648B0CA280
288
+
Pawn, Black, 23 -> 0x75C68BA48C56500
289
+
Knight, White, 23 -> 0x45FA2391C6AE800
290
+
Knight, Black, 23 -> 0x1CDAFC37327DCC0
291
+
Bishop, White, 23 -> 0x27E3DA4C03E36C0
292
+
Bishop, Black, 23 -> 0x26CAA132CB88340
293
+
Rook, White, 23 -> 0x3DAE5E8812F0140
294
+
Rook, Black, 23 -> 0x49B5B0081C57100
295
+
Queen, White, 23 -> 0xDE20409EA2BFC0
296
+
Queen, Black, 23 -> 0x6876D86129D9340
297
+
King, White, 23 -> 0x3E43CCAD88918C0
298
+
King, Black, 23 -> 0x447A46B509CD940
299
+
Pawn, White, 24 -> 0x2B8F612961FD280
300
+
Pawn, Black, 24 -> 0x2BDBD62058F3F40
301
+
Knight, White, 24 -> 0x31777E1A11F00C0
302
+
Knight, Black, 24 -> 0xB2D32D7030E4C0
303
+
Bishop, White, 24 -> 0x77F00264D946900
304
+
Bishop, Black, 24 -> 0x97DE4A9F71F880
305
+
Rook, White, 24 -> 0xD51EC452AA0C80
306
+
Rook, Black, 24 -> 0x62087985C1D3640
307
+
Queen, White, 24 -> 0x409DEF726E2480
308
+
Queen, Black, 24 -> 0x13EBBBDD7B2E480
309
+
King, White, 24 -> 0x63C21D0F27EBC00
310
+
King, Black, 24 -> 0x5FE40293E2BA580
311
+
Pawn, White, 25 -> 0x87EDB08FCCE040
312
+
Pawn, Black, 25 -> 0x17D34B616775D40
313
+
Knight, White, 25 -> 0x5225733E8B4A240
314
+
Knight, Black, 25 -> 0xC5FA56D4460EC0
315
+
Bishop, White, 25 -> 0x70C46B2AA6A0580
316
+
Bishop, Black, 25 -> 0xCCB0DBD679DEC0
317
+
Rook, White, 25 -> 0x3EEAD3315255380
318
+
Rook, Black, 25 -> 0x1C7989FA596ED40
319
+
Queen, White, 25 -> 0x43D6479BDD59640
320
+
Queen, Black, 25 -> 0x3A5242D350BFA40
321
+
King, White, 25 -> 0x4C9FA9A23013C0
322
+
King, Black, 25 -> 0x1706CE239473B00
323
+
Pawn, White, 26 -> 0x5B5138504D88C00
324
+
Pawn, Black, 26 -> 0x6A7882E86EBDAC0
325
+
Knight, White, 26 -> 0x2EAB44DFE96FBC0
326
+
Knight, Black, 26 -> 0x3D4FD8F9ECB28C0
327
+
Bishop, White, 26 -> 0x42A73DE8EDC3B00
328
+
Bishop, Black, 26 -> 0x5C4B731BE4FF8C0
329
+
Rook, White, 26 -> 0x833C9592B57EC0
330
+
Rook, Black, 26 -> 0x60E8C351B8811C0
331
+
Queen, White, 26 -> 0x69AC20A4FCE8180
332
+
Queen, Black, 26 -> 0x5459DAB8EE20740
333
+
King, White, 26 -> 0x111E126B4A13780
334
+
King, Black, 26 -> 0x620E90C8EA761C0
335
+
Pawn, White, 27 -> 0x1FACD203E1DB000
336
+
Pawn, Black, 27 -> 0x8D913327DC0600
337
+
Knight, White, 27 -> 0x4E7758049902C00
338
+
Knight, Black, 27 -> 0x495672044E3DF40
339
+
Bishop, White, 27 -> 0x6D96C5B4DFB9940
340
+
Bishop, Black, 27 -> 0x1DC13B357D78F80
341
+
Rook, White, 27 -> 0xF0097463B35940
342
+
Rook, Black, 27 -> 0x13871788BAC6700
343
+
Queen, White, 27 -> 0x2E9E6A97CC37A80
344
+
Queen, Black, 27 -> 0x6B9DDE53DBC5080
345
+
King, White, 27 -> 0x76EAE3528EF2B00
346
+
King, Black, 27 -> 0x51600B5DF501F00
347
+
Pawn, White, 28 -> 0x6A8DDA30871F240
348
+
Pawn, Black, 28 -> 0x2F54A773AB7C7C0
349
+
Knight, White, 28 -> 0x29640EBA7A3F340
350
+
Knight, Black, 28 -> 0x1A959252E864480
351
+
Bishop, White, 28 -> 0x534053EEF1705C0
352
+
Bishop, Black, 28 -> 0x3C3CE1CBA2ED3C0
353
+
Rook, White, 28 -> 0x323D06637E4C5C0
354
+
Rook, Black, 28 -> 0x48BCF3D85CDDEC0
355
+
Queen, White, 28 -> 0x3A0AE34AA267440
356
+
Queen, Black, 28 -> 0x7239F5403327D40
357
+
King, White, 28 -> 0x6CAD7FF7EB7FB40
358
+
King, Black, 28 -> 0x72D0D7AD38F5080
359
+
Pawn, White, 29 -> 0x373AB5B30A2E300
360
+
Pawn, Black, 29 -> 0x22645F6EB245280
361
+
Knight, White, 29 -> 0x75A4E4F83797DC0
362
+
Knight, Black, 29 -> 0x795EED0D57B3140
363
+
Bishop, White, 29 -> 0x7C165C0C87F0EC0
364
+
Bishop, Black, 29 -> 0x250C770E896B480
365
+
Rook, White, 29 -> 0xB24121C1870180
366
+
Rook, Black, 29 -> 0x4E45D6E87B96DC0
367
+
Queen, White, 29 -> 0x7BBB5F835BDBF80
368
+
Queen, Black, 29 -> 0x5DF67226BAEA300
369
+
King, White, 29 -> 0x141EAD04E3D8900
370
+
King, Black, 29 -> 0x576AAAF50D934C0
371
+
Pawn, White, 30 -> 0x7336AE9209783C0
372
+
Pawn, Black, 30 -> 0x60E4E82F752B5C0
373
+
Knight, White, 30 -> 0x6455E4CA4B7780
374
+
Knight, Black, 30 -> 0x6DCB2C6DDF9F940
375
+
Bishop, White, 30 -> 0x7A638509BDE0F80
376
+
Bishop, Black, 30 -> 0x138DB7850A4C00
377
+
Rook, White, 30 -> 0x448D98FE859C180
378
+
Rook, Black, 30 -> 0x4CE3973A4367F80
379
+
Queen, White, 30 -> 0x6D3192FF3B2A100
380
+
Queen, Black, 30 -> 0x3D4EC29E8EFE440
381
+
King, White, 30 -> 0x1162F7D8BD1700
382
+
King, Black, 30 -> 0x1EC4F8A08F22500
383
+
Pawn, White, 31 -> 0xB0C74F0EA9D5C0
384
+
Pawn, Black, 31 -> 0x14ACA68BA2CBA40
385
+
Knight, White, 31 -> 0x619B48694C87700
386
+
Knight, Black, 31 -> 0x3A521377E48A180
387
+
Bishop, White, 31 -> 0x7FD00AA14141E80
388
+
Bishop, Black, 31 -> 0x2DC4C82E6F8A6C0
389
+
Rook, White, 31 -> 0x504205321668DC0
390
+
Rook, Black, 31 -> 0x7A55B793398AB80
391
+
Queen, White, 31 -> 0x282B9631E2DFA80
392
+
Queen, Black, 31 -> 0x203D448A00CF840
393
+
King, White, 31 -> 0x4CD1BA29D594200
394
+
King, Black, 31 -> 0x1D5F599A8AF38C0
395
+
Pawn, White, 32 -> 0x768589BC38E6240
396
+
Pawn, Black, 32 -> 0x1F3680CAA97EDC0
397
+
Knight, White, 32 -> 0x509C9436B74EAC0
398
+
Knight, Black, 32 -> 0x6002B254E596A40
399
+
Bishop, White, 32 -> 0x7E0B67A5110B1C0
400
+
Bishop, Black, 32 -> 0x4E525F242441780
401
+
Rook, White, 32 -> 0xFC7B43E21B1D80
402
+
Rook, Black, 32 -> 0x3B578A183162B40
403
+
Queen, White, 32 -> 0x16DB7E490BAD400
404
+
Queen, Black, 32 -> 0x7EB311228033440
405
+
King, White, 32 -> 0x10E90BF6C7FEB40
406
+
King, Black, 32 -> 0x60806EB3B8E8F80
407
+
Pawn, White, 33 -> 0x737408CE2F51740
408
+
Pawn, Black, 33 -> 0x34EF907A9FAB840
409
+
Knight, White, 33 -> 0x23638CD255A6700
410
+
Knight, Black, 33 -> 0x26097AFBDD05180
411
+
Bishop, White, 33 -> 0x4F3E163E6BBF6C0
412
+
Bishop, Black, 33 -> 0x48A23E50AFA7A80
413
+
Rook, White, 33 -> 0x59A1EC1BA4BA100
414
+
Rook, Black, 33 -> 0x41916A69F7CE3C0
415
+
Queen, White, 33 -> 0x3BD4C5E81E75700
416
+
Queen, Black, 33 -> 0x1C7387FBC8322C0
417
+
King, White, 33 -> 0x6D3599D02BFCB00
418
+
King, Black, 33 -> 0x57DEA27CD692E00
419
+
Pawn, White, 34 -> 0x251C14E2A3C0600
420
+
Pawn, Black, 34 -> 0x2BE0AC4874EFF00
421
+
Knight, White, 34 -> 0x6FA9689A0DB5F80
422
+
Knight, Black, 34 -> 0x243A333C344EC0
423
+
Bishop, White, 34 -> 0x29F451487298A80
424
+
Bishop, Black, 34 -> 0x754F9869466C900
425
+
Rook, White, 34 -> 0x15C837387B5C140
426
+
Rook, Black, 34 -> 0x6EB4ADB1C7CEC00
427
+
Queen, White, 34 -> 0x9F33BF4FCBF700
428
+
Queen, Black, 34 -> 0x72CB97EE6F6ED00
429
+
King, White, 34 -> 0x3AD797AC388A540
430
+
King, Black, 34 -> 0x7D3303D2F92A700
431
+
Pawn, White, 35 -> 0x64C900DFCA3BEC0
432
+
Pawn, Black, 35 -> 0x7CD7B982FC31500
433
+
Knight, White, 35 -> 0x4F9D0B9E69EA80
434
+
Knight, Black, 35 -> 0x7333A203ADCC140
435
+
Bishop, White, 35 -> 0x5815D22137FC80
436
+
Bishop, Black, 35 -> 0x1BD7A1C9476D900
437
+
Rook, White, 35 -> 0x615A2A96411B740
438
+
Rook, Black, 35 -> 0x3D3EEEBAB044880
439
+
Queen, White, 35 -> 0x33AA751ABDAB240
440
+
Queen, Black, 35 -> 0x1EDDEA12CDDBA80
441
+
King, White, 35 -> 0x7C5C817AC393C40
442
+
King, Black, 35 -> 0xEAC366061B4240
443
+
Pawn, White, 36 -> 0xADF88C08E6D340
444
+
Pawn, Black, 36 -> 0x28B5141DB569380
445
+
Knight, White, 36 -> 0x3B2DCA32559F1C0
446
+
Knight, Black, 36 -> 0x18E5CA17FB3400
447
+
Bishop, White, 36 -> 0xA7E4E798E8E040
448
+
Bishop, Black, 36 -> 0x11F060CF483C100
449
+
Rook, White, 36 -> 0xBF6188C1487180
450
+
Rook, Black, 36 -> 0x2654E378993B080
451
+
Queen, White, 36 -> 0x5CC8C98E66D6040
452
+
Queen, Black, 36 -> 0x474CCE25B7C4840
453
+
King, White, 36 -> 0x76B8A76C3107340
454
+
King, Black, 36 -> 0x44B66A0896F9800
455
+
Pawn, White, 37 -> 0x368099B52CB3240
456
+
Pawn, Black, 37 -> 0x4B417A7BBBB70C0
457
+
Knight, White, 37 -> 0x55870884E9615C0
458
+
Knight, Black, 37 -> 0x1A37D49F28915C0
459
+
Bishop, White, 37 -> 0x7B807BF0FE209C0
460
+
Bishop, Black, 37 -> 0x6448C6A2F5F5DC0
461
+
Rook, White, 37 -> 0x35F999417E7BB00
462
+
Rook, Black, 37 -> 0x177710FB4211C40
463
+
Queen, White, 37 -> 0x6AEFD3E2E5A3EC0
464
+
Queen, Black, 37 -> 0x7616F1BDF184340
465
+
King, White, 37 -> 0x6803BB90255AD00
466
+
King, Black, 37 -> 0x2C75DE4DB0DDBC0
467
+
Pawn, White, 38 -> 0x62F6322990A4180
468
+
Pawn, Black, 38 -> 0x45EC64422CFF840
469
+
Knight, White, 38 -> 0x74BCC4C95897400
470
+
Knight, Black, 38 -> 0x2D9ADB86DFB9CC0
471
+
Bishop, White, 38 -> 0x36F14C1FA95DB00
472
+
Bishop, Black, 38 -> 0x9B3A2517C5D500
473
+
Rook, White, 38 -> 0x180BE5DADC29B40
474
+
Rook, Black, 38 -> 0x6162000C3FA8C0
475
+
Queen, White, 38 -> 0x133A59B4AB2AFC0
476
+
Queen, Black, 38 -> 0x2ACF86E75890040
477
+
King, White, 38 -> 0x4EC48C8298BD6C0
478
+
King, Black, 38 -> 0x1BCB273316385C0
479
+
Pawn, White, 39 -> 0x490848951479600
480
+
Pawn, Black, 39 -> 0x5BEC26CB439ECC0
481
+
Knight, White, 39 -> 0xBDD9B97032D640
482
+
Knight, Black, 39 -> 0x3CC871FF77071C0
483
+
Bishop, White, 39 -> 0x381A0D6934D8880
484
+
Bishop, Black, 39 -> 0x2C31F539D99600
485
+
Rook, White, 39 -> 0x5A9C4DD7376CF40
486
+
Rook, Black, 39 -> 0x2B786E5A19401C0
487
+
Queen, White, 39 -> 0x549F3BA37C4B80
488
+
Queen, Black, 39 -> 0x558E994F8B67300
489
+
King, White, 39 -> 0xF05B25B7A39340
490
+
King, Black, 39 -> 0x372FD654C504900
491
+
Pawn, White, 40 -> 0x67746C7E70E6200
492
+
Pawn, Black, 40 -> 0x7453C650365AC00
493
+
Knight, White, 40 -> 0x2B2B5D166BF66C0
494
+
Knight, Black, 40 -> 0x23848AB46CB9940
495
+
Bishop, White, 40 -> 0x7F35E0CE22E2B00
496
+
Bishop, Black, 40 -> 0x48257DC895119C0
497
+
Rook, White, 40 -> 0x12BBF70AF5A3740
498
+
Rook, Black, 40 -> 0x7DEBF75B523F300
499
+
Queen, White, 40 -> 0x74E5F7FDF98C9C0
500
+
Queen, Black, 40 -> 0xEBCF70CDFAA140
501
+
King, White, 40 -> 0x1ECF996E8A3FAC0
502
+
King, Black, 40 -> 0x7CA02701A8AE200
503
+
Pawn, White, 41 -> 0x48EA517321BA880
504
+
Pawn, Black, 41 -> 0x48C32461E8BC980
505
+
Knight, White, 41 -> 0x3D1EF58975CD940
506
+
Knight, Black, 41 -> 0x600363CDD84B8C0
507
+
Bishop, White, 41 -> 0x28A728394A78980
508
+
Bishop, Black, 41 -> 0x61BCFCA4FC5DC80
509
+
Rook, White, 41 -> 0x2EFAB64B7010140
510
+
Rook, Black, 41 -> 0x350CF2FD493FA80
511
+
Queen, White, 41 -> 0x65333A680277B80
512
+
Queen, Black, 41 -> 0xBCDC29B8048280
513
+
King, White, 41 -> 0x7E615374279C400
514
+
King, Black, 41 -> 0x6D865E80BA62280
515
+
Pawn, White, 42 -> 0x23863A943051540
516
+
Pawn, Black, 42 -> 0xCB2A3822E8F140
517
+
Knight, White, 42 -> 0x53242AB4E38D580
518
+
Knight, Black, 42 -> 0x64E0C54A6B5C900
519
+
Bishop, White, 42 -> 0x5C2CDFDBEFC89C0
520
+
Bishop, Black, 42 -> 0x142626CF2528D80
521
+
Rook, White, 42 -> 0x1CF28F53C9A000
522
+
Rook, Black, 42 -> 0x5DC536691D58D80
523
+
Queen, White, 42 -> 0x7F2B1DA4619A040
524
+
Queen, Black, 42 -> 0x1EA9FF670E1900
525
+
King, White, 42 -> 0x2439495460DB6C0
526
+
King, Black, 42 -> 0x31A7B4CB26BDB00
527
+
Pawn, White, 43 -> 0x32B3D32556D4600
528
+
Pawn, Black, 43 -> 0x71F4A6BE4E637C0
529
+
Knight, White, 43 -> 0x6167E062FB3D3C0
530
+
Knight, Black, 43 -> 0x4ADCE9EF4728880
531
+
Bishop, White, 43 -> 0x531A8241244D1C0
532
+
Bishop, Black, 43 -> 0x171A9D041FC50C0
533
+
Rook, White, 43 -> 0x72E95374F06A1C0
534
+
Rook, Black, 43 -> 0x10A2FC47260E780
535
+
Queen, White, 43 -> 0x41FBAADF14CCA40
536
+
Queen, Black, 43 -> 0x7D69FBB0C563A00
537
+
King, White, 43 -> 0x30C06956301C680
538
+
King, Black, 43 -> 0x6C852C0833A6C00
539
+
Pawn, White, 44 -> 0x2188E51D6624B40
540
+
Pawn, Black, 44 -> 0x1B761231E37C300
541
+
Knight, White, 44 -> 0x23903B088255900
542
+
Knight, Black, 44 -> 0x68C6B89ADABB100
543
+
Bishop, White, 44 -> 0x6D4D450A9F647C0
544
+
Bishop, Black, 44 -> 0x7F7045B5E894800
545
+
Rook, White, 44 -> 0x305BBF1236CB600
546
+
Rook, Black, 44 -> 0x7E724086B8F8040
547
+
Queen, White, 44 -> 0x38BA8324D894140
548
+
Queen, Black, 44 -> 0x5FE14678629DDC0
549
+
King, White, 44 -> 0xC6BFFFE56FAC00
550
+
King, Black, 44 -> 0x535A909E9EC57C0
551
+
Pawn, White, 45 -> 0x6880AB8951568C0
552
+
Pawn, Black, 45 -> 0x7DFCB0F97DFE540
553
+
Knight, White, 45 -> 0x614046ED6A8C740
554
+
Knight, Black, 45 -> 0x60F6CCF55279980
555
+
Bishop, White, 45 -> 0xFB829FFB6BD600
556
+
Bishop, Black, 45 -> 0x3A5203249512380
557
+
Rook, White, 45 -> 0x2FA64286B037700
558
+
Rook, Black, 45 -> 0x376FF9116183980
559
+
Queen, White, 45 -> 0xD39F4D7542CA40
560
+
Queen, Black, 45 -> 0x75CAB3FD497B8C0
561
+
King, White, 45 -> 0x788DAB0DFD61F80
562
+
King, Black, 45 -> 0x2CF6C0473799FC0
563
+
Pawn, White, 46 -> 0x3EE1BAEB83611C0
564
+
Pawn, Black, 46 -> 0x494F68052349F00
565
+
Knight, White, 46 -> 0x57CFFDA4327D340
566
+
Knight, Black, 46 -> 0x4B79A9904E9CB00
567
+
Bishop, White, 46 -> 0x4F5F322646D79C0
568
+
Bishop, Black, 46 -> 0x65B8E7C656BBE00
569
+
Rook, White, 46 -> 0x2A300F977A2700
570
+
Rook, Black, 46 -> 0x3D75F36F05EDCC0
571
+
Queen, White, 46 -> 0x181E49B3B3DA140
572
+
Queen, Black, 46 -> 0x4E5141205917F40
573
+
King, White, 46 -> 0x4956C1200847240
574
+
King, Black, 46 -> 0x6C7B932548609C0
575
+
Pawn, White, 47 -> 0x596B4A2CCD1C840
576
+
Pawn, Black, 47 -> 0x798CE81E1434440
577
+
Knight, White, 47 -> 0x3408C60AE43C00
578
+
Knight, Black, 47 -> 0x390005505B12500
579
+
Bishop, White, 47 -> 0x511407D32EBC580
580
+
Bishop, Black, 47 -> 0x54BAB12846EB300
581
+
Rook, White, 47 -> 0x2F7501F52E7BA40
582
+
Rook, Black, 47 -> 0xD3B687990520C0
583
+
Queen, White, 47 -> 0x54D61631E9081C0
584
+
Queen, Black, 47 -> 0x2A4508CDB914200
585
+
King, White, 47 -> 0x5578336EC1B7580
586
+
King, Black, 47 -> 0x7FEEC5092927280
587
+
Pawn, White, 48 -> 0x3D64D4AC1EC1200
588
+
Pawn, Black, 48 -> 0x4EC2F26E9B73000
589
+
Knight, White, 48 -> 0x50660B4B92EC840
590
+
Knight, Black, 48 -> 0x30E1CC478C63040
591
+
Bishop, White, 48 -> 0x579B977DF67AC00
592
+
Bishop, Black, 48 -> 0x716586AE5644DC0
593
+
Rook, White, 48 -> 0x575ABD70DE0D100
594
+
Rook, Black, 48 -> 0x274AA616929C940
595
+
Queen, White, 48 -> 0x6A55521E1FE0800
596
+
Queen, Black, 48 -> 0x47ACD3323799C80
597
+
King, White, 48 -> 0x7901E7ABEFD5840
598
+
King, Black, 48 -> 0x142B79FF52A2D00
599
+
Pawn, White, 49 -> 0x65B8C5E4F5B4840
600
+
Pawn, Black, 49 -> 0x279FF3E7CC7C0C0
601
+
Knight, White, 49 -> 0x6A27A306B0DD080
602
+
Knight, Black, 49 -> 0xAC8EBC924F1980
603
+
Bishop, White, 49 -> 0x6907E57EF5AA8C0
604
+
Bishop, Black, 49 -> 0x15B3EB1625AD6C0
605
+
Rook, White, 49 -> 0x5700160842DA3C0
606
+
Rook, Black, 49 -> 0x2D25F414BE3E080
607
+
Queen, White, 49 -> 0x2682148B8C446C0
608
+
Queen, Black, 49 -> 0x2BF058C974E680
609
+
King, White, 49 -> 0x270127F8F650380
610
+
King, Black, 49 -> 0x1BDC08933A8F3C0
611
+
Pawn, White, 50 -> 0x11E245DF22E4140
612
+
Pawn, Black, 50 -> 0x4EF026FBD1B7400
613
+
Knight, White, 50 -> 0x180B761AE292E80
614
+
Knight, Black, 50 -> 0x2713AD580DA3A00
615
+
Bishop, White, 50 -> 0x73371177DB06680
616
+
Bishop, Black, 50 -> 0xD7BCD15144F300
617
+
Rook, White, 50 -> 0x6DB4C844F5D4C40
618
+
Rook, Black, 50 -> 0x4F5CC560AFC20C0
619
+
Queen, White, 50 -> 0x43E09188D300F40
620
+
Queen, Black, 50 -> 0x339FB8BA4D0DC00
621
+
King, White, 50 -> 0x3C15815D92789C0
622
+
King, Black, 50 -> 0x37BCC0846D3AEC0
623
+
Pawn, White, 51 -> 0x5195042734FB740
624
+
Pawn, Black, 51 -> 0x565FB8E63E5E680
625
+
Knight, White, 51 -> 0x685078F533B6400
626
+
Knight, Black, 51 -> 0x2F926211DA39040
627
+
Bishop, White, 51 -> 0x5755A497270FAC0
628
+
Bishop, Black, 51 -> 0x2DD089CA97D3400
629
+
Rook, White, 51 -> 0x51BF4EB43905780
630
+
Rook, Black, 51 -> 0x73FE6FF98E456C0
631
+
Queen, White, 51 -> 0x29685FB8F7B70C0
632
+
Queen, Black, 51 -> 0x535E44073CDF940
633
+
King, White, 51 -> 0x77FE90B4279DA80
634
+
King, Black, 51 -> 0x31DA0107C1AFD40
635
+
Pawn, White, 52 -> 0x3992E791B7D35C0
636
+
Pawn, Black, 52 -> 0x45EF753D9DC8D40
637
+
Knight, White, 52 -> 0x13B9E6B6A75A880
638
+
Knight, Black, 52 -> 0x5A5FDFE08614E80
639
+
Bishop, White, 52 -> 0x2AE18BE6D86D9C0
640
+
Bishop, Black, 52 -> 0x2A51321BB8B3780
641
+
Rook, White, 52 -> 0x6D66D3F5E6A6940
642
+
Rook, Black, 52 -> 0x25686A585A83640
643
+
Queen, White, 52 -> 0xF223DE02F52740
644
+
Queen, Black, 52 -> 0x20AA6016BF5AC0
645
+
King, White, 52 -> 0x7EEE5FAC83CC740
646
+
King, Black, 52 -> 0x745D8651B838E40
647
+
Pawn, White, 53 -> 0x11B8D76D2FCAE40
648
+
Pawn, Black, 53 -> 0x239C5B604FE1F00
649
+
Knight, White, 53 -> 0x25CF1450E798300
650
+
Knight, Black, 53 -> 0x686BFC3154B70C0
651
+
Bishop, White, 53 -> 0x7369161A967BD40
652
+
Bishop, Black, 53 -> 0x11956ACD96D7BC0
653
+
Rook, White, 53 -> 0x46041E944F00D00
654
+
Rook, Black, 53 -> 0x48F7F399520C840
655
+
Queen, White, 53 -> 0x6E7F910205CDD00
656
+
Queen, Black, 53 -> 0x5F8F9F309F0DA00
657
+
King, White, 53 -> 0x320545D814BFD00
658
+
King, Black, 53 -> 0x3C0C8BE3E11BD00
659
+
Pawn, White, 54 -> 0x3D651D0A96316C0
660
+
Pawn, Black, 54 -> 0x13F2BCB9B5C1D40
661
+
Knight, White, 54 -> 0x7A55B20EE885C40
662
+
Knight, Black, 54 -> 0x4C99A343BAEF080
663
+
Bishop, White, 54 -> 0x265E179D4120CC0
664
+
Bishop, Black, 54 -> 0x6AE88903C93E540
665
+
Rook, White, 54 -> 0xBA654BF7E73800
666
+
Rook, Black, 54 -> 0x6DE831579961E80
667
+
Queen, White, 54 -> 0x5281AB15CA51100
668
+
Queen, Black, 54 -> 0x2608638B5342F40
669
+
King, White, 54 -> 0x478CC781DF9E480
670
+
King, Black, 54 -> 0x240B63638CD00C0
671
+
Pawn, White, 55 -> 0x63893DF45388900
672
+
Pawn, Black, 55 -> 0x7FFF5445B58E840
673
+
Knight, White, 55 -> 0x77DCF67DB228680
674
+
Knight, Black, 55 -> 0x3DA3895C3A4400
675
+
Bishop, White, 55 -> 0x276AEB56ED373C0
676
+
Bishop, Black, 55 -> 0xC600192CF2A780
677
+
Rook, White, 55 -> 0x697096CE6804200
678
+
Rook, Black, 55 -> 0x630DE370219B780
679
+
Queen, White, 55 -> 0x633497163287C0
680
+
Queen, Black, 55 -> 0x4C00B4C47C08C0
681
+
King, White, 55 -> 0x48335B7D6D65C80
682
+
King, Black, 55 -> 0x73479FA59032B40
683
+
Pawn, White, 56 -> 0x622E16EDCE8EDC0
684
+
Pawn, Black, 56 -> 0x42C2EB93764600
685
+
Knight, White, 56 -> 0xF3D06580064480
686
+
Knight, Black, 56 -> 0x1697DA02595400
687
+
Bishop, White, 56 -> 0x187EC7CF9B08AC0
688
+
Bishop, Black, 56 -> 0x4F0AC222E26B740
689
+
Rook, White, 56 -> 0x14C8C8992947580
690
+
Rook, Black, 56 -> 0x75927E4BF39C680
691
+
Queen, White, 56 -> 0x59875B74B209E40
692
+
Queen, Black, 56 -> 0x5A606B01A341600
693
+
King, White, 56 -> 0x381F7DEF427A580
694
+
King, Black, 56 -> 0x492BCC6EBA25280
695
+
Pawn, White, 57 -> 0x7D15739361E1C40
696
+
Pawn, Black, 57 -> 0x2C600E2623F39C0
697
+
Knight, White, 57 -> 0x214D42E2C139FC0
698
+
Knight, Black, 57 -> 0xC489DBE804CE80
699
+
Bishop, White, 57 -> 0x3429D122C09700
700
+
Bishop, Black, 57 -> 0x49B5D6F5473BC80
701
+
Rook, White, 57 -> 0x4E7E33D62A6D440
702
+
Rook, Black, 57 -> 0x4B0FC57351F32C0
703
+
Queen, White, 57 -> 0x5209BE095635700
704
+
Queen, Black, 57 -> 0x686BB4219A0F5C0
705
+
King, White, 57 -> 0x1F6EBEAA2F7C0C0
706
+
King, Black, 57 -> 0x48F863232A4D7C0
707
+
Pawn, White, 58 -> 0x677705ED673C8C0
708
+
Pawn, Black, 58 -> 0x7A7E6622E3FB380
709
+
Knight, White, 58 -> 0x6ACA9CA40D63A40
710
+
Knight, Black, 58 -> 0x106FFB0EB73DF40
711
+
Bishop, White, 58 -> 0x2CF5E0A519F7440
712
+
Bishop, Black, 58 -> 0x3FECC54EA8FC140
713
+
Rook, White, 58 -> 0x35557D0D223480
714
+
Rook, Black, 58 -> 0x10AE4971A9CFB80
715
+
Queen, White, 58 -> 0x64CE89F9168CCC0
716
+
Queen, Black, 58 -> 0x64E9BEC4B613300
717
+
King, White, 58 -> 0x654E9A9EA29E540
718
+
King, Black, 58 -> 0x66552AF416FF480
719
+
Pawn, White, 59 -> 0x7116328339F0D80
720
+
Pawn, Black, 59 -> 0x53E3D2D1AA01B40
721
+
Knight, White, 59 -> 0xF1448D1671480
722
+
Knight, Black, 59 -> 0x46022A00071D8C0
723
+
Bishop, White, 59 -> 0x6D530BCE3197280
724
+
Bishop, Black, 59 -> 0x6850786DEF9FD40
725
+
Rook, White, 59 -> 0x4BFD5189088B940
726
+
Rook, Black, 59 -> 0x4EE44E44A4CF1C0
727
+
Queen, White, 59 -> 0xA98364022DF840
728
+
Queen, Black, 59 -> 0xADCC1DFBDCDFC0
729
+
King, White, 59 -> 0xBA4252A7FC6E40
730
+
King, Black, 59 -> 0x7D49E2A75582F80
731
+
Pawn, White, 60 -> 0xB4C4AED06BEB40
732
+
Pawn, Black, 60 -> 0x3AEE5B6056659C0
733
+
Knight, White, 60 -> 0x36A302253C6F340
734
+
Knight, Black, 60 -> 0x12E79BE4FDD7DC0
735
+
Bishop, White, 60 -> 0x1205592BCD24D40
736
+
Bishop, Black, 60 -> 0x6B2F29D5793CA40
737
+
Rook, White, 60 -> 0x3839935FB678540
738
+
Rook, Black, 60 -> 0x30D0ADAA32D20C0
739
+
Queen, White, 60 -> 0x657DC3E05855C0
740
+
Queen, Black, 60 -> 0x3AB099A5430780
741
+
King, White, 60 -> 0x4806EA6BC10B40
742
+
King, Black, 60 -> 0x52DCAFDF566D0C0
743
+
Pawn, White, 61 -> 0x4939DC387AD5100
744
+
Pawn, Black, 61 -> 0x463FCA447EEC340
745
+
Knight, White, 61 -> 0x60D9A8A1122400
746
+
Knight, Black, 61 -> 0x60F1B9A9F600F40
747
+
Bishop, White, 61 -> 0x63FD8354DC38340
748
+
Bishop, Black, 61 -> 0x6D0AD5AC9333C40
749
+
Rook, White, 61 -> 0x1E2117E91556FC0
750
+
Rook, Black, 61 -> 0x651690E7564DBC0
751
+
Queen, White, 61 -> 0x24C092B3F6FA980
752
+
Queen, Black, 61 -> 0x7170DF885C89F40
753
+
King, White, 61 -> 0x160952C594AB840
754
+
King, Black, 61 -> 0x1960C32C507EE40
755
+
Pawn, White, 62 -> 0x3E3E91DCA869000
756
+
Pawn, Black, 62 -> 0x1A663201A1227C0
757
+
Knight, White, 62 -> 0x602C3C457D914C0
758
+
Knight, Black, 62 -> 0x16ADAC64EBB6C0
759
+
Bishop, White, 62 -> 0x101D0E79CA8DEC0
760
+
Bishop, Black, 62 -> 0x7DD79D9D7761BC0
761
+
Rook, White, 62 -> 0x2DCB73EBB034880
762
+
Rook, Black, 62 -> 0x24A3C1359F0F6C0
763
+
Queen, White, 62 -> 0x6A9D493B2D50480
764
+
Queen, Black, 62 -> 0x322140EE9D880C0
765
+
King, White, 62 -> 0x1D1A0F36B7B7E80
766
+
King, Black, 62 -> 0x20997D7A83D7680
767
+
Pawn, White, _ -> 0x14E23DCC534D140
768
+
Pawn, Black, _ -> 0x14A6D6233107EC0
769
+
Knight, White, _ -> 0x3E0AD32BF7CBB80
770
+
Knight, Black, _ -> 0x7B25E28C2CC6D40
771
+
Bishop, White, _ -> 0x2963B407A23D580
772
+
Bishop, Black, _ -> 0x1E0601BD7144400
773
+
Rook, White, _ -> 0x4C46AA1D8606B00
774
+
Rook, Black, _ -> 0x58684C00A26DD40
775
+
Queen, White, _ -> 0x5D6B6598679940
776
+
Queen, Black, _ -> 0x70C6ECF0A679480
777
+
King, White, _ -> 0x72DC4871EC5AEC0
778
+
King, Black, _ -> 0x6FE5161F09FA3C0
779
+
}
780
+
}
781
+
782
+
pub const black_to_move_hash = 0x2198904CFE5900
+7
-70
src/starfish/internal/hash.gleam
+7
-70
src/starfish/internal/hash.gleam
···
5
5
import gleam/int
6
6
import iv
7
7
import starfish/internal/board
8
-
9
-
const white_pawn = 0
10
-
11
-
const black_pawn = 1
12
-
13
-
const white_knight = 2
14
-
15
-
const black_knight = 3
16
-
17
-
const white_bishop = 4
18
-
19
-
const black_bishop = 5
20
-
21
-
const white_rook = 6
22
-
23
-
const black_rook = 7
8
+
import starfish/internal/generated
24
9
25
-
const white_queen = 8
26
-
27
-
const black_queen = 9
28
-
29
-
const white_king = 10
30
-
31
-
const black_king = 11
32
-
33
-
const num_pieces = 12
34
-
35
-
/// Data structure for storing randomly generated data used for hashing positions
36
-
pub opaque type HashData {
37
-
HashData(table: iv.Array(Int), black_to_move: Int)
38
-
}
39
-
40
-
const max_64_bit_int = 18_446_744_073_709_552_000
41
-
42
-
pub fn generate_data() -> HashData {
43
-
let table =
44
-
iv.initialise(num_pieces * board.side_length * board.side_length, fn(_) {
45
-
int.random(max_64_bit_int)
46
-
})
47
-
let black_to_move = int.random(max_64_bit_int)
48
-
HashData(table:, black_to_move:)
49
-
}
50
-
51
-
pub fn hash(data: HashData, board: board.Board, to_move: board.Colour) -> Int {
10
+
pub fn hash(board: board.Board, to_move: board.Colour) -> Int {
52
11
let hash = case to_move {
53
-
board.Black -> data.black_to_move
12
+
board.Black -> generated.black_to_move_hash
54
13
board.White -> 0
55
14
}
56
15
57
16
dict.fold(board, hash, fn(hash, position, square) {
58
17
let #(piece, colour) = square
59
-
toggle_hash_square(hash, position, piece, colour, data)
18
+
int.bitwise_exclusive_or(
19
+
generated.hash_for_piece(piece, colour, position),
20
+
hash,
21
+
)
60
22
})
61
-
}
62
-
63
-
fn toggle_hash_square(
64
-
hash: Int,
65
-
position: Int,
66
-
piece: board.Piece,
67
-
colour: board.Colour,
68
-
data: HashData,
69
-
) -> Int {
70
-
let piece_index = case piece, colour {
71
-
board.Pawn, board.White -> white_pawn
72
-
board.Bishop, board.White -> white_bishop
73
-
board.King, board.White -> white_king
74
-
board.Knight, board.White -> white_knight
75
-
board.Queen, board.White -> white_queen
76
-
board.Rook, board.White -> white_rook
77
-
board.Bishop, board.Black -> black_bishop
78
-
board.King, board.Black -> black_king
79
-
board.Knight, board.Black -> black_knight
80
-
board.Pawn, board.Black -> black_pawn
81
-
board.Queen, board.Black -> black_queen
82
-
board.Rook, board.Black -> black_rook
83
-
}
84
-
let index = position * num_pieces + piece_index
85
-
int.bitwise_exclusive_or(iv.get_or_default(data.table, index, 0), hash)
86
23
}
87
24
88
25
pub type Table =
+2
-10
src/starfish/internal/move.gleam
+2
-10
src/starfish/internal/move.gleam
···
478
478
half_moves:,
479
479
full_moves:,
480
480
zobrist_hash:,
481
-
hash_data:,
482
-
piece_tables:,
483
481
previous_positions:,
484
482
attack_information: _,
485
483
) = game
···
526
524
let previous_positions = set.insert(previous_positions, zobrist_hash)
527
525
528
526
// TODO: Update incrementally
529
-
let zobrist_hash = hash.hash(hash_data, board, to_move)
527
+
let zobrist_hash = hash.hash(board, to_move)
530
528
531
529
// TODO: Maybe we can update this incrementally too?
532
530
let attack_information = attack.calculate(board, to_move)
···
539
537
half_moves:,
540
538
full_moves:,
541
539
zobrist_hash:,
542
-
hash_data:,
543
-
piece_tables:,
544
540
previous_positions:,
545
541
attack_information:,
546
542
)
···
562
558
half_moves:,
563
559
full_moves:,
564
560
zobrist_hash:,
565
-
hash_data:,
566
-
piece_tables:,
567
561
previous_positions:,
568
562
attack_information: _,
569
563
) = game
···
616
610
}
617
611
618
612
// TODO: Update incrementally
619
-
let zobrist_hash = hash.hash(hash_data, board, to_move)
613
+
let zobrist_hash = hash.hash(board, to_move)
620
614
621
615
// TODO: Maybe we can update this incrementally too?
622
616
let attack_information = attack.calculate(board, to_move)
···
629
623
half_moves:,
630
624
full_moves:,
631
625
zobrist_hash:,
632
-
hash_data:,
633
-
piece_tables:,
634
626
previous_positions:,
635
627
attack_information:,
636
628
)
+627
-30
src/starfish/internal/piece_table.gleam
+627
-30
src/starfish/internal/piece_table.gleam
···
4
4
//// Each table is made from white's perspective. To get scores for black, simply
5
5
//// reverse the squares.
6
6
7
-
import iv
7
+
import starfish/internal/board
8
+
9
+
// Values taken from https://www.chessprogramming.org/Simplified_Evaluation_Function
10
+
11
+
// We use tuples for constant time accessing. The values are constant so we don't
12
+
// need to worry about the cost of updating.
8
13
9
-
const pawn = []
14
+
const pawn = #(
15
+
0,
16
+
0,
17
+
0,
18
+
0,
19
+
0,
20
+
0,
21
+
0,
22
+
0,
23
+
30,
24
+
30,
25
+
30,
26
+
30,
27
+
30,
28
+
30,
29
+
30,
30
+
30,
31
+
10,
32
+
10,
33
+
20,
34
+
30,
35
+
30,
36
+
20,
37
+
10,
38
+
10,
39
+
5,
40
+
5,
41
+
10,
42
+
25,
43
+
25,
44
+
10,
45
+
5,
46
+
5,
47
+
0,
48
+
0,
49
+
0,
50
+
20,
51
+
20,
52
+
0,
53
+
0,
54
+
0,
55
+
5,
56
+
-5,
57
+
-10,
58
+
0,
59
+
0,
60
+
-10,
61
+
-5,
62
+
5,
63
+
5,
64
+
10,
65
+
10,
66
+
-20,
67
+
-20,
68
+
10,
69
+
10,
70
+
5,
71
+
0,
72
+
0,
73
+
0,
74
+
0,
75
+
0,
76
+
0,
77
+
0,
78
+
0,
79
+
)
10
80
11
-
const knight = []
81
+
const knight = #(
82
+
-50,
83
+
-40,
84
+
-30,
85
+
-30,
86
+
-30,
87
+
-30,
88
+
-40,
89
+
-50,
90
+
-40,
91
+
-20,
92
+
0,
93
+
0,
94
+
0,
95
+
0,
96
+
-20,
97
+
-40,
98
+
-30,
99
+
0,
100
+
10,
101
+
15,
102
+
15,
103
+
10,
104
+
0,
105
+
-30,
106
+
-30,
107
+
5,
108
+
15,
109
+
20,
110
+
20,
111
+
15,
112
+
5,
113
+
-30,
114
+
-30,
115
+
0,
116
+
15,
117
+
20,
118
+
20,
119
+
15,
120
+
0,
121
+
-30,
122
+
-30,
123
+
5,
124
+
10,
125
+
15,
126
+
15,
127
+
10,
128
+
5,
129
+
-30,
130
+
-40,
131
+
-20,
132
+
0,
133
+
5,
134
+
5,
135
+
0,
136
+
-20,
137
+
-40,
138
+
-50,
139
+
-40,
140
+
-30,
141
+
-30,
142
+
-30,
143
+
-30,
144
+
-40,
145
+
-50,
146
+
)
12
147
13
-
const bishop = []
148
+
const bishop = #(
149
+
-20,
150
+
-10,
151
+
-10,
152
+
-10,
153
+
-10,
154
+
-10,
155
+
-10,
156
+
-20,
157
+
-10,
158
+
0,
159
+
0,
160
+
0,
161
+
0,
162
+
0,
163
+
0,
164
+
-10,
165
+
-10,
166
+
0,
167
+
5,
168
+
10,
169
+
10,
170
+
5,
171
+
0,
172
+
-10,
173
+
-10,
174
+
5,
175
+
5,
176
+
10,
177
+
10,
178
+
5,
179
+
5,
180
+
-10,
181
+
-10,
182
+
0,
183
+
10,
184
+
10,
185
+
10,
186
+
10,
187
+
0,
188
+
-10,
189
+
-10,
190
+
10,
191
+
10,
192
+
10,
193
+
10,
194
+
10,
195
+
10,
196
+
-10,
197
+
-10,
198
+
5,
199
+
0,
200
+
0,
201
+
0,
202
+
0,
203
+
5,
204
+
-10,
205
+
-20,
206
+
-10,
207
+
-10,
208
+
-10,
209
+
-10,
210
+
-10,
211
+
-10,
212
+
-20,
213
+
)
14
214
15
-
const rook = []
215
+
const rook = #(
216
+
0,
217
+
0,
218
+
0,
219
+
0,
220
+
0,
221
+
0,
222
+
0,
223
+
0,
224
+
5,
225
+
10,
226
+
10,
227
+
10,
228
+
10,
229
+
10,
230
+
10,
231
+
5,
232
+
-5,
233
+
0,
234
+
0,
235
+
0,
236
+
0,
237
+
0,
238
+
0,
239
+
-5,
240
+
-5,
241
+
0,
242
+
0,
243
+
0,
244
+
0,
245
+
0,
246
+
0,
247
+
-5,
248
+
-5,
249
+
0,
250
+
0,
251
+
0,
252
+
0,
253
+
0,
254
+
0,
255
+
-5,
256
+
-5,
257
+
0,
258
+
0,
259
+
0,
260
+
0,
261
+
0,
262
+
0,
263
+
-5,
264
+
-5,
265
+
0,
266
+
0,
267
+
0,
268
+
0,
269
+
0,
270
+
0,
271
+
-5,
272
+
0,
273
+
0,
274
+
0,
275
+
5,
276
+
5,
277
+
0,
278
+
0,
279
+
0,
280
+
)
16
281
17
-
const queen = []
282
+
const queen = #(
283
+
-20,
284
+
-10,
285
+
-10,
286
+
-5,
287
+
-5,
288
+
-10,
289
+
-10,
290
+
-20,
291
+
-10,
292
+
0,
293
+
0,
294
+
0,
295
+
0,
296
+
0,
297
+
0,
298
+
-10,
299
+
-10,
300
+
0,
301
+
5,
302
+
5,
303
+
5,
304
+
5,
305
+
0,
306
+
-10,
307
+
-5,
308
+
0,
309
+
5,
310
+
5,
311
+
5,
312
+
5,
313
+
0,
314
+
-5,
315
+
0,
316
+
0,
317
+
5,
318
+
5,
319
+
5,
320
+
5,
321
+
0,
322
+
-5,
323
+
-10,
324
+
5,
325
+
5,
326
+
5,
327
+
5,
328
+
5,
329
+
0,
330
+
-10,
331
+
-10,
332
+
0,
333
+
5,
334
+
0,
335
+
0,
336
+
0,
337
+
0,
338
+
-10,
339
+
-20,
340
+
-10,
341
+
-10,
342
+
-5,
343
+
-5,
344
+
-10,
345
+
-10,
346
+
-20,
347
+
)
18
348
19
-
const king = []
349
+
const king = #(
350
+
-30,
351
+
-40,
352
+
-40,
353
+
-50,
354
+
-50,
355
+
-40,
356
+
-40,
357
+
-30,
358
+
-30,
359
+
-40,
360
+
-40,
361
+
-50,
362
+
-50,
363
+
-40,
364
+
-40,
365
+
-30,
366
+
-30,
367
+
-40,
368
+
-40,
369
+
-50,
370
+
-50,
371
+
-40,
372
+
-40,
373
+
-30,
374
+
-30,
375
+
-40,
376
+
-40,
377
+
-50,
378
+
-50,
379
+
-40,
380
+
-40,
381
+
-30,
382
+
-20,
383
+
-30,
384
+
-30,
385
+
-40,
386
+
-40,
387
+
-30,
388
+
-30,
389
+
-20,
390
+
-10,
391
+
-20,
392
+
-20,
393
+
-20,
394
+
-20,
395
+
-20,
396
+
-20,
397
+
-10,
398
+
20,
399
+
20,
400
+
0,
401
+
0,
402
+
0,
403
+
0,
404
+
20,
405
+
20,
406
+
20,
407
+
30,
408
+
10,
409
+
0,
410
+
0,
411
+
10,
412
+
30,
413
+
20,
414
+
)
20
415
21
416
/// In the beginning and middle of the game, the king must be kept safe, however
22
417
/// as the game progresses towards the end, the king should become more aggressive
23
418
/// so we use a different set of scores for kings in the endgame.
24
-
const king_endgame = []
419
+
const king_endgame = #(
420
+
-50,
421
+
-40,
422
+
-30,
423
+
-20,
424
+
-20,
425
+
-30,
426
+
-40,
427
+
-50,
428
+
-30,
429
+
-20,
430
+
-10,
431
+
0,
432
+
0,
433
+
-10,
434
+
-20,
435
+
-30,
436
+
-30,
437
+
-10,
438
+
20,
439
+
30,
440
+
30,
441
+
20,
442
+
-10,
443
+
-30,
444
+
-30,
445
+
-10,
446
+
30,
447
+
40,
448
+
40,
449
+
30,
450
+
-10,
451
+
-30,
452
+
-30,
453
+
-10,
454
+
30,
455
+
40,
456
+
40,
457
+
30,
458
+
-10,
459
+
-30,
460
+
-30,
461
+
-10,
462
+
20,
463
+
30,
464
+
30,
465
+
20,
466
+
-10,
467
+
-30,
468
+
-30,
469
+
-30,
470
+
0,
471
+
0,
472
+
0,
473
+
0,
474
+
-30,
475
+
-30,
476
+
-50,
477
+
-30,
478
+
-30,
479
+
-30,
480
+
-30,
481
+
-30,
482
+
-30,
483
+
-50,
484
+
)
25
485
26
-
/// A type which keeps track of the table for each piece
27
-
pub opaque type PieceTables {
28
-
PieceTables(
29
-
pawn: iv.Array(Int),
30
-
knight: iv.Array(Int),
31
-
bishop: iv.Array(Int),
32
-
rook: iv.Array(Int),
33
-
queen: iv.Array(Int),
34
-
king: iv.Array(Int),
35
-
king_endgame: iv.Array(Int),
486
+
type Table =
487
+
#(
488
+
Int,
489
+
Int,
490
+
Int,
491
+
Int,
492
+
Int,
493
+
Int,
494
+
Int,
495
+
Int,
496
+
Int,
497
+
Int,
498
+
Int,
499
+
Int,
500
+
Int,
501
+
Int,
502
+
Int,
503
+
Int,
504
+
Int,
505
+
Int,
506
+
Int,
507
+
Int,
508
+
Int,
509
+
Int,
510
+
Int,
511
+
Int,
512
+
Int,
513
+
Int,
514
+
Int,
515
+
Int,
516
+
Int,
517
+
Int,
518
+
Int,
519
+
Int,
520
+
Int,
521
+
Int,
522
+
Int,
523
+
Int,
524
+
Int,
525
+
Int,
526
+
Int,
527
+
Int,
528
+
Int,
529
+
Int,
530
+
Int,
531
+
Int,
532
+
Int,
533
+
Int,
534
+
Int,
535
+
Int,
536
+
Int,
537
+
Int,
538
+
Int,
539
+
Int,
540
+
Int,
541
+
Int,
542
+
Int,
543
+
Int,
544
+
Int,
545
+
Int,
546
+
Int,
547
+
Int,
548
+
Int,
549
+
Int,
550
+
Int,
551
+
Int,
36
552
)
553
+
554
+
fn get(table: Table, index: Int, default: Int) -> Int {
555
+
case index {
556
+
0 -> table.0
557
+
1 -> table.1
558
+
2 -> table.2
559
+
3 -> table.3
560
+
4 -> table.4
561
+
5 -> table.5
562
+
6 -> table.6
563
+
7 -> table.7
564
+
8 -> table.8
565
+
9 -> table.9
566
+
10 -> table.10
567
+
11 -> table.11
568
+
12 -> table.12
569
+
13 -> table.13
570
+
14 -> table.14
571
+
15 -> table.15
572
+
16 -> table.16
573
+
17 -> table.17
574
+
18 -> table.18
575
+
19 -> table.19
576
+
20 -> table.20
577
+
21 -> table.21
578
+
22 -> table.22
579
+
23 -> table.23
580
+
24 -> table.24
581
+
25 -> table.25
582
+
26 -> table.26
583
+
27 -> table.27
584
+
28 -> table.28
585
+
29 -> table.29
586
+
30 -> table.30
587
+
31 -> table.31
588
+
32 -> table.32
589
+
33 -> table.33
590
+
34 -> table.34
591
+
35 -> table.35
592
+
36 -> table.36
593
+
37 -> table.37
594
+
38 -> table.38
595
+
39 -> table.39
596
+
40 -> table.40
597
+
41 -> table.41
598
+
42 -> table.42
599
+
43 -> table.43
600
+
44 -> table.44
601
+
45 -> table.45
602
+
46 -> table.46
603
+
47 -> table.47
604
+
48 -> table.48
605
+
49 -> table.49
606
+
50 -> table.50
607
+
51 -> table.51
608
+
52 -> table.52
609
+
53 -> table.53
610
+
54 -> table.54
611
+
55 -> table.55
612
+
56 -> table.56
613
+
57 -> table.57
614
+
58 -> table.58
615
+
59 -> table.59
616
+
60 -> table.60
617
+
61 -> table.61
618
+
62 -> table.62
619
+
63 -> table.63
620
+
_ -> default
621
+
}
37
622
}
38
623
39
-
/// Turn the `List`s which are in the constants into `iv.Arrays` for faster
40
-
/// accessing
41
-
pub fn construct_tables() -> PieceTables {
42
-
PieceTables(
43
-
pawn: iv.from_list(pawn),
44
-
knight: iv.from_list(knight),
45
-
bishop: iv.from_list(bishop),
46
-
rook: iv.from_list(rook),
47
-
queen: iv.from_list(queen),
48
-
king: iv.from_list(king),
49
-
king_endgame: iv.from_list(king_endgame),
50
-
)
624
+
/// Calculate the score for a given piece at a position at some point in the game
625
+
pub fn piece_score(
626
+
piece: board.Piece,
627
+
colour: board.Colour,
628
+
position: Int,
629
+
) -> Int {
630
+
let table = case piece {
631
+
board.Pawn -> pawn
632
+
board.Bishop -> bishop
633
+
board.Knight -> knight
634
+
board.Queen -> queen
635
+
board.Rook -> rook
636
+
board.King -> king
637
+
}
638
+
639
+
// If the piece is black, the table must be reversed to we index from the end
640
+
// instead.
641
+
let index = case colour {
642
+
board.White -> position
643
+
board.Black -> 63 - position
644
+
}
645
+
646
+
// TODO: take into account endgame for kings
647
+
get(table, index, 0)
51
648
}
+1
-2
test/starfish_test.gleam
+1
-2
test/starfish_test.gleam
···
12
12
gleeunit.main()
13
13
}
14
14
15
-
// Ignore `HashData` and `PieceTables` as they are not relevant to the state of
16
-
// the board.
15
+
/// Compare the state of two games, ignoring additional fields
17
16
fn game_equal(a: game.Game, b: game.Game) -> Bool {
18
17
a.board == b.board
19
18
&& a.to_move == b.to_move