Dev Builds » 20240928-1517

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 06:52:53 583358 4000 1529 555 1916 +86.33 ± 4.94 2 103 827 1055 13 +182.38 ± 11.81
ncm-dbt-02 06:52:43 584902 3992 1562 552 1878 +89.85 ± 4.99 2 102 793 1082 17 +190.15 ± 12.08
ncm-dbt-03 06:52:56 586388 4000 1550 560 1890 +87.81 ± 4.95 2 101 818 1063 16 +185.33 ± 11.88
ncm-dbt-04 06:53:13 571508 4016 1537 529 1950 +89.11 ± 4.9 1 105 795 1099 8 +190.16 ± 12.07
ncm-dbt-05 06:53:16 585360 3992 1543 550 1899 +88.28 ± 4.98 2 103 808 1066 17 +186.24 ± 11.96
20000 7721 2746 9533 +88.28 ± 2.21 9 514 4041 5365 71 +186.84 ± 5.35

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
379499 ncm-dbt-04 574216 16 5 2 9 +65.91 ± 89.0 0 1 3 4 0 +136.97 ± 241.58
379498 ncm-dbt-02 583908 492 181 65 246 +83.49 ± 13.06 0 9 112 125 0 +177.91 ± 31.85
379497 ncm-dbt-05 583698 492 196 77 219 +85.73 ± 14.96 0 17 97 128 4 +176.09 ± 34.76
379496 ncm-dbt-01 580033 500 177 58 265 +84.31 ± 14.03 0 16 99 135 0 +179.9 ± 34.4
379495 ncm-dbt-03 586604 500 201 78 221 +87.26 ± 14.1 0 12 107 127 4 +179.9 ± 32.89
379494 ncm-dbt-04 572921 500 190 66 244 +88.0 ± 14.12 0 14 100 134 2 +185.33 ± 34.19
379493 ncm-dbt-02 584622 500 187 73 240 +80.63 ± 14.66 0 19 100 129 2 +167.53 ± 34.22
379492 ncm-dbt-05 588899 500 180 67 253 +79.9 ± 13.77 0 14 110 125 1 +167.53 ± 32.45
379491 ncm-dbt-01 583698 500 195 74 231 +85.78 ± 14.07 0 15 100 134 1 +181.7 ± 34.21
379490 ncm-dbt-03 585801 500 181 65 254 +82.1 ± 13.37 1 8 116 124 1 +174.55 ± 31.22
379489 ncm-dbt-04 572276 500 197 63 240 +95.44 ± 13.15 0 9 98 143 0 +207.95 ± 34.43
379488 ncm-dbt-05 582611 500 197 82 221 +81.37 ± 15.1 2 13 108 122 5 +167.53 ± 32.81
379487 ncm-dbt-02 586858 500 194 72 234 +86.52 ± 13.93 1 12 101 136 0 +187.16 ± 33.99
379486 ncm-dbt-01 584243 500 195 71 234 +88.0 ± 14.56 1 16 91 142 0 +190.85 ± 35.9
379485 ncm-dbt-03 588089 500 195 63 242 +93.95 ± 14.53 0 15 91 141 3 +198.34 ± 35.92
379484 ncm-dbt-04 572558 500 191 64 245 +90.22 ± 14.46 1 12 99 135 3 +190.85 ± 34.36
379483 ncm-dbt-05 582694 500 192 59 249 +94.69 ± 13.78 0 12 94 143 1 +204.07 ± 35.31
379482 ncm-dbt-01 583740 500 189 78 233 +78.43 ± 12.64 0 7 126 116 1 +164.07 ± 29.48
379481 ncm-dbt-02 584579 500 200 68 232 +93.95 ± 13.29 0 9 101 139 1 +202.15 ± 33.85
379480 ncm-dbt-04 569111 500 190 66 244 +88.0 ± 14.12 0 15 97 137 1 +187.16 ± 34.76
379479 ncm-dbt-03 587197 500 183 67 250 +82.1 ± 13.83 0 13 110 125 2 +171.02 ± 32.42
379478 ncm-dbt-02 582903 500 186 81 233 +74.06 ± 14.74 0 19 111 116 4 +148.85 ± 32.4
379477 ncm-dbt-05 584117 500 189 74 237 +81.36 ± 14.25 0 16 105 127 2 +169.27 ± 33.34
379476 ncm-dbt-01 580862 500 188 66 246 +86.52 ± 13.93 0 13 104 131 2 +181.7 ± 33.45
379475 ncm-dbt-03 584958 500 206 72 222 +95.44 ± 14.25 1 12 90 146 1 +207.95 ± 36.13
379474 ncm-dbt-04 569270 500 197 64 239 +94.69 ± 14.39 0 15 89 144 2 +202.15 ± 36.32
379473 ncm-dbt-02 586223 500 201 69 230 +93.95 ± 14.82 1 14 90 142 3 +200.24 ± 36.12
379472 ncm-dbt-01 585000 500 196 67 237 +91.71 ± 13.42 0 10 102 137 1 +196.45 ± 33.71
379471 ncm-dbt-05 588047 500 187 63 250 +88.0 ± 13.66 0 12 103 134 1 +187.16 ± 33.6
379470 ncm-dbt-03 586604 500 196 65 239 +93.2 ± 13.75 0 12 96 141 1 +200.24 ± 34.91
379469 ncm-dbt-04 571270 500 183 65 252 +83.57 ± 13.87 0 15 102 133 0 +178.11 ± 33.85
379468 ncm-dbt-02 584916 500 205 69 226 +96.94 ± 14.12 0 13 90 145 2 +207.95 ± 36.13
379467 ncm-dbt-01 581028 500 192 76 232 +82.1 ± 14.27 0 16 104 128 2 +171.02 ± 33.51
379466 ncm-dbt-03 586350 500 197 84 219 +79.9 ± 13.77 0 13 113 122 2 +165.8 ± 31.92
379465 ncm-dbt-05 583196 500 204 62 234 +101.46 ± 13.37 0 9 91 149 1 +221.9 ± 35.86
379464 ncm-dbt-04 568673 500 197 68 235 +91.71 ± 13.73 0 13 95 142 0 +198.34 ± 35.12
379463 ncm-dbt-02 585211 500 208 55 237 +109.83 ± 13.73 0 7 88 150 5 +236.51 ± 36.44
379462 ncm-dbt-03 585506 500 191 66 243 +88.74 ± 14.43 0 16 95 137 2 +187.16 ± 35.14
379461 ncm-dbt-05 589625 500 198 66 236 +93.95 ± 13.61 0 10 100 138 2 +200.24 ± 34.09
379460 ncm-dbt-01 588260 500 197 65 238 +93.95 ± 14.67 1 10 101 132 6 +194.57 ± 33.94
379459 ncm-dbt-04 573284 500 187 71 242 +82.1 ± 13.21 0 11 112 127 0 +174.55 ± 32.0

Commit

Commit ID ae420e735f378bbb675dcf47598a5204f008cdd5
Author Joost VandeVondele
Date 2024-09-28 15:17:44 UTC
Tweak Correction histories tune parameters some more, adjust scores updated for each history passed STC: https://tests.stockfishchess.org/tests/view/66ea569186d5ee47d953ae48 LLR: 2.92 (-2.94,2.94) <0.00,2.00> Total: 36288 W: 9660 L: 9344 D: 17284 Ptnml(0-2): 110, 4207, 9220, 4471, 136 passed LTC: https://tests.stockfishchess.org/tests/view/66ea9b4e86d5ee47d953ae6f LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 241446 W: 61748 L: 61010 D: 118688 Ptnml(0-2): 173, 26211, 67202, 26979, 158 closes https://github.com/official-stockfish/Stockfish/pull/5606 Bench: 1677953
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