Dev Builds » 20240603-2117

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 06:49:17 584340 4000 1497 569 1934 +82.1 ± 5.02 0 133 814 1045 8 +172.78 ± 11.94
ncm-dbt-02 06:48:16 588336 4000 1486 615 1899 +76.89 ± 5.01 3 122 892 967 16 +159.36 ± 11.36
ncm-dbt-03 06:48:01 587788 4000 1517 583 1900 +82.65 ± 4.9 4 101 860 1027 8 +174.99 ± 11.56
ncm-dbt-04 06:48:44 572218 4000 1499 603 1898 +79.17 ± 5.01 0 124 875 982 19 +163.42 ± 11.48
ncm-dbt-05 06:49:47 583506 4000 1478 590 1932 +78.44 ± 4.97 4 111 893 977 15 +163.42 ± 11.34
20000 7477 2960 9563 +79.84 ± 2.23 11 591 4334 4998 66 +166.75 ± 5.15

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
388505 ncm-dbt-02 587707 500 188 80 232 +76.25 ± 13.66 0 14 115 120 1 +158.93 ± 31.63
388504 ncm-dbt-04 570989 500 195 77 228 +83.57 ± 15.16 0 19 99 127 5 +169.27 ± 34.4
388503 ncm-dbt-01 582068 500 194 77 229 +82.83 ± 13.7 0 14 105 131 0 +176.33 ± 33.3
388502 ncm-dbt-05 580821 500 175 83 242 +64.67 ± 14.12 1 18 119 112 0 +135.76 ± 31.16
388501 ncm-dbt-03 586774 500 189 78 233 +78.43 ± 13.58 0 12 117 119 2 +162.35 ± 31.23
388500 ncm-dbt-02 588430 500 180 73 247 +75.52 ± 13.34 0 12 120 117 1 +157.24 ± 30.75
388499 ncm-dbt-04 573244 500 180 75 245 +74.06 ± 14.18 0 16 116 115 3 +150.51 ± 31.54
388498 ncm-dbt-01 584622 500 174 75 251 +69.71 ± 14.17 0 20 111 119 0 +145.54 ± 32.41
388497 ncm-dbt-05 576373 500 174 76 250 +68.99 ± 13.71 1 14 121 114 0 +145.54 ± 30.73
388496 ncm-dbt-03 586520 500 189 63 248 +89.48 ± 13.06 0 9 106 135 0 +192.71 ± 32.93
388495 ncm-dbt-02 586774 500 189 71 240 +83.57 ± 14.31 0 16 102 130 2 +174.55 ± 33.86
388494 ncm-dbt-04 572961 500 181 81 238 +70.43 ± 13.47 0 14 123 112 1 +145.54 ± 30.38
388493 ncm-dbt-01 584411 500 192 67 241 +88.74 ± 14.43 0 16 95 137 2 +187.16 ± 35.14
388492 ncm-dbt-03 588771 500 189 76 235 +79.9 ± 14.07 0 17 103 130 0 +169.27 ± 33.7
388491 ncm-dbt-05 587070 500 204 61 235 +102.22 ± 13.7 0 10 89 149 2 +221.9 ± 36.31
388490 ncm-dbt-02 589753 500 207 79 214 +90.97 ± 14.17 2 6 108 130 4 +192.71 ± 32.52
388489 ncm-dbt-04 572517 500 188 72 240 +82.1 ± 14.13 0 15 106 127 2 +171.02 ± 33.15
388488 ncm-dbt-01 585843 500 187 74 239 +79.9 ± 14.36 0 18 102 129 1 +167.53 ± 33.88
388487 ncm-dbt-05 582444 500 200 70 230 +92.45 ± 12.94 0 7 107 135 1 +198.34 ± 32.63
388486 ncm-dbt-03 588387 500 179 72 249 +75.52 ± 14.23 0 19 105 126 0 +158.93 ± 33.37
388485 ncm-dbt-04 574703 500 193 82 225 +78.43 ± 13.58 0 13 114 122 1 +164.07 ± 31.75
388484 ncm-dbt-02 589197 500 178 81 241 +68.27 ± 15.34 1 24 104 119 2 +140.62 ± 33.53
388483 ncm-dbt-01 583614 500 183 59 258 +88.0 ± 14.41 0 17 93 139 1 +187.16 ± 35.51
388482 ncm-dbt-03 588686 500 199 70 231 +91.71 ± 14.34 1 12 96 139 2 +196.45 ± 34.93
388481 ncm-dbt-05 583237 500 174 68 258 +74.79 ± 14.2 1 13 118 115 3 +153.86 ± 31.15
388480 ncm-dbt-02 586435 500 185 77 238 +76.25 ± 14.1 0 14 118 114 4 +153.86 ± 31.15
388479 ncm-dbt-04 570428 500 179 69 252 +77.7 ± 14.86 0 20 103 124 3 +158.93 ± 33.71
388478 ncm-dbt-01 583740 500 179 84 237 +66.82 ± 14.48 0 22 112 115 1 +137.37 ± 32.27
388477 ncm-dbt-03 588600 500 186 79 235 +75.52 ± 14.22 2 11 117 118 2 +158.93 ± 31.27
388476 ncm-dbt-05 582819 500 185 78 237 +75.52 ± 14.51 0 17 113 116 4 +152.18 ± 32.04
388475 ncm-dbt-02 588345 500 188 83 229 +74.06 ± 14.32 0 18 111 119 2 +152.18 ± 32.38
388474 ncm-dbt-04 570469 500 187 73 240 +80.63 ± 13.94 0 15 107 127 1 +169.27 ± 32.98
388473 ncm-dbt-01 583866 500 190 61 249 +91.71 ± 13.57 0 10 103 135 2 +194.57 ± 33.53
388472 ncm-dbt-03 585801 500 188 83 229 +74.06 ± 13.74 1 12 119 117 1 +155.54 ± 30.96
388471 ncm-dbt-05 587325 500 182 77 241 +74.06 ± 14.32 1 15 114 118 2 +153.86 ± 31.85
388470 ncm-dbt-04 572437 500 196 74 230 +86.52 ± 13.93 0 12 107 128 3 +179.9 ± 32.89
388469 ncm-dbt-02 590053 500 171 71 258 +70.44 ± 13.91 0 18 114 118 0 +147.19 ± 31.9
388468 ncm-dbt-03 588771 500 198 62 240 +96.94 ± 13.33 0 9 97 143 1 +209.91 ± 34.63
388467 ncm-dbt-01 586562 500 198 72 230 +89.48 ± 14.3 0 16 93 140 1 +190.85 ± 35.52
388466 ncm-dbt-05 587962 500 184 77 239 +75.52 ± 14.37 0 17 112 118 3 +153.86 ± 32.2

Commit

Commit ID 924a843594743297f47edf7b0931ede8dcbb6dd8
Author FauziAkram
Date 2024-06-03 21:17:09 UTC
Simplify recapture extension Simplifying the extension formula by removing the move == ttMove condition. Passed STC: LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 47328 W: 12324 L: 12117 D: 22887 Ptnml(0-2): 134, 5532, 12097, 5795, 106 https://tests.stockfishchess.org/tests/view/665ca5e6fd45fb0f907c41be Passed LTC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 72126 W: 18378 L: 18209 D: 35539 Ptnml(0-2): 36, 7841, 20130, 8030, 26 https://tests.stockfishchess.org/tests/view/665cb276fd45fb0f907c41f9 closes https://github.com/official-stockfish/Stockfish/pull/5341 Bench: 1399468
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