Dev Builds » 20240505-1106

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 15. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo
ncm-dbt-01 06:49:55 584620 4000 1475 580 1945 +79.08 ± 4.88 2 109 889 992 8 +166.01 ± 11.36
ncm-dbt-02 06:48:59 586245 4006 1475 616 1915 +75.67 ± 4.93 1 121 912 956 13 +156.75 ± 11.21
ncm-dbt-03 06:50:13 588479 3998 1479 591 1928 +78.48 ± 5.1 2 134 856 988 19 +162.23 ± 11.63
ncm-dbt-04 06:49:45 571205 3996 1474 596 1926 +77.6 ± 5.05 2 130 870 980 16 +160.82 ± 11.52
ncm-dbt-05 06:49:22 584431 4000 1461 597 1942 +76.25 ± 4.97 2 126 888 974 10 +158.93 ± 11.39
20000 7364 2980 9656 +77.41 ± 2.23 9 620 4415 4890 66 +160.94 ± 5.11

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
383311 ncm-dbt-02 587664 6 2 0 4 +120.22 ± 109.7 0 0 1 2 0 +279.24 ± 576.89
383310 ncm-dbt-03 587579 498 192 62 244 +92.84 ± 13.78 2 6 102 138 1 +203.16 ± 33.6
383309 ncm-dbt-01 578794 500 187 61 252 +89.48 ± 13.06 0 8 109 132 1 +190.85 ± 32.34
383308 ncm-dbt-04 571913 496 191 74 231 +83.53 ± 14.39 0 16 101 129 2 +174.42 ± 34.03
383307 ncm-dbt-05 586943 500 181 74 245 +75.52 ± 13.94 0 16 112 121 1 +157.24 ± 32.18
383306 ncm-dbt-02 585928 500 180 71 249 +76.97 ± 13.98 0 14 116 117 3 +157.24 ± 31.47
383305 ncm-dbt-03 588771 500 188 74 238 +80.63 ± 14.66 0 18 103 126 3 +165.8 ± 33.7
383304 ncm-dbt-01 584874 500 187 80 233 +75.52 ± 13.64 0 15 113 122 0 +158.93 ± 31.99
383303 ncm-dbt-04 571029 500 192 71 237 +85.78 ± 14.51 0 16 100 131 3 +178.11 ± 34.22
383302 ncm-dbt-02 587070 500 182 82 236 +70.43 ± 14.89 0 24 103 122 1 +145.54 ± 33.69
383301 ncm-dbt-05 580696 500 175 84 241 +63.95 ± 13.36 0 16 127 107 0 +132.54 ± 29.87
383300 ncm-dbt-02 583028 500 180 75 245 +74.06 ± 14.46 0 19 109 120 2 +152.18 ± 32.72
383299 ncm-dbt-03 590310 500 184 68 248 +82.1 ± 14.56 0 16 106 124 4 +167.53 ± 33.17
383298 ncm-dbt-01 586393 500 189 86 225 +72.61 ± 14.13 1 15 115 118 1 +152.18 ± 31.7
383297 ncm-dbt-04 570308 500 184 77 239 +75.52 ± 13.49 1 10 121 117 1 +158.93 ± 30.54
383296 ncm-dbt-05 583614 500 182 73 245 +76.98 ± 13.68 0 15 111 124 0 +162.35 ± 32.31
383295 ncm-dbt-01 585801 500 181 73 246 +76.25 ± 13.36 0 11 122 115 2 +157.24 ± 30.38
383294 ncm-dbt-02 585379 500 180 67 253 +79.9 ± 13.47 0 13 111 126 0 +169.27 ± 32.25
383293 ncm-dbt-03 588813 500 184 67 249 +82.83 ± 14.44 0 16 104 127 3 +171.02 ± 33.51
383292 ncm-dbt-04 571471 500 181 89 230 +64.66 ± 14.94 1 21 116 109 3 +130.94 ± 31.66
383291 ncm-dbt-05 586393 500 190 70 240 +85.04 ± 13.6 0 11 110 127 2 +178.11 ± 32.33
383290 ncm-dbt-02 588472 500 196 89 215 +75.52 ± 13.03 0 10 124 115 1 +157.24 ± 30.01
383289 ncm-dbt-01 583992 500 188 65 247 +87.26 ± 13.49 0 12 103 135 0 +187.16 ± 33.6
383288 ncm-dbt-03 586985 500 183 71 246 +79.17 ± 13.9 0 14 112 122 2 +164.07 ± 32.12
383287 ncm-dbt-04 571310 500 178 66 256 +79.17 ± 14.62 0 19 102 127 2 +164.07 ± 33.88
383286 ncm-dbt-05 587325 500 188 63 249 +88.74 ± 13.98 0 13 101 134 2 +187.16 ± 33.99
383285 ncm-dbt-02 586901 500 188 82 230 +74.79 ± 13.0 0 9 128 111 2 +153.86 ± 29.33
383284 ncm-dbt-03 588984 500 177 72 251 +74.06 ± 15.42 0 25 98 124 3 +150.51 ± 34.5
383283 ncm-dbt-01 586604 500 181 67 252 +80.63 ± 13.33 0 12 112 126 0 +171.02 ± 32.04
383282 ncm-dbt-04 570268 500 181 73 246 +76.25 ± 13.66 0 14 115 120 1 +158.93 ± 31.63
383281 ncm-dbt-05 583112 500 186 82 232 +73.34 ± 14.85 2 16 110 120 2 +153.86 ± 32.54
383280 ncm-dbt-02 585590 500 180 84 236 +67.55 ± 14.51 1 18 117 112 2 +138.99 ± 31.46
383279 ncm-dbt-03 587919 500 180 88 232 +64.66 ± 14.26 0 21 117 111 1 +132.54 ± 31.5
383278 ncm-dbt-01 585253 500 181 76 243 +74.06 ± 14.32 0 19 108 122 1 +153.86 ± 32.88
383277 ncm-dbt-05 581485 500 171 68 261 +72.61 ± 14.41 0 20 108 121 1 +150.51 ± 32.89
383276 ncm-dbt-04 570989 500 168 71 261 +68.27 ± 14.4 0 20 115 113 2 +138.99 ± 31.79
383275 ncm-dbt-02 586181 500 187 66 247 +85.78 ± 14.07 0 14 103 131 2 +179.9 ± 33.65
383274 ncm-dbt-04 572356 500 199 75 226 +88.0 ± 14.12 0 14 100 134 2 +185.33 ± 34.19
383273 ncm-dbt-03 588472 500 191 89 220 +71.88 ± 14.25 0 18 114 116 2 +147.19 ± 31.9
383272 ncm-dbt-01 585253 500 181 72 247 +76.98 ± 14.83 1 17 107 122 3 +158.93 ± 33.03
383271 ncm-dbt-05 585885 500 188 83 229 +74.06 ± 14.46 0 19 109 120 2 +152.18 ± 32.72

Commit

Commit ID f1612612457fd90f9842b2432d795ee6e2e26ebc
Author Michael Chaly
Date 2024-05-05 11:06:22 UTC
Adjust history usage in moves loop pruning After experiments with conthist 5 addition failed really bad divions by 2 passed as a gainer. Passed STC: https://tests.stockfishchess.org/tests/view/6636d7114b68b70d858035ce LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 35936 W: 9287 L: 8976 D: 17673 Ptnml(0-2): 81, 4129, 9234, 4446, 78 Passed LTC: https://tests.stockfishchess.org/tests/view/6636ddb64b68b70d858040a8 LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 82428 W: 21035 L: 20622 D: 40771 Ptnml(0-2): 29, 8985, 22775, 9394, 31 closes https://github.com/official-stockfish/Stockfish/pull/5217 Bench: 2309253
Copyright 2011–2024 Next Chess Move LLC