Dev Builds » 20240928-1601

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 06:52:45 584538 4000 1509 547 1944 +85.23 ± 4.89 5 87 863 1031 14 +180.13 ± 11.52
ncm-dbt-02 06:53:44 587666 4000 1520 572 1908 +83.94 ± 4.98 1 113 838 1033 15 +175.88 ± 11.74
ncm-dbt-03 06:53:36 586792 4010 1558 551 1901 +89.16 ± 4.84 1 94 816 1085 9 +190.04 ± 11.89
ncm-dbt-04 06:53:44 572219 4012 1535 567 1910 +85.51 ± 5.03 6 110 811 1068 11 +181.73 ± 11.95
ncm-dbt-05 06:54:20 585727 3978 1526 531 1921 +88.79 ± 4.9 0 97 814 1064 14 +187.72 ± 11.9
20000 7648 2768 9584 +86.52 ± 2.2 13 501 4142 5281 63 +183.06 ± 5.27

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
379370 ncm-dbt-04 569709 12 5 0 7 +154.02 ± 64.21 0 0 1 5 0 +416.21 ± 496.36
379369 ncm-dbt-03 587367 10 5 0 5 +190.62 ± 11.11 0 0 0 5 0 +1199.83 ± 231.31
379368 ncm-dbt-05 587877 478 183 66 229 +86.8 ± 14.52 0 11 105 118 5 +176.6 ± 33.13
379367 ncm-dbt-02 585843 500 182 78 240 +73.33 ± 14.15 0 16 117 114 3 +148.85 ± 31.38
379366 ncm-dbt-01 584790 500 191 65 244 +89.48 ± 14.44 0 15 97 135 3 +187.16 ± 34.76
379365 ncm-dbt-03 584453 500 184 61 255 +87.26 ± 13.49 0 11 106 132 1 +185.33 ± 33.03
379364 ncm-dbt-04 573204 500 193 63 244 +92.46 ± 13.9 1 8 104 134 3 +196.45 ± 33.3
379363 ncm-dbt-05 585464 500 193 68 239 +88.74 ± 14.43 0 15 98 134 3 +185.33 ± 34.57
379362 ncm-dbt-02 586350 500 195 64 241 +93.2 ± 14.21 0 13 96 138 3 +196.45 ± 34.93
379361 ncm-dbt-03 586562 500 199 64 237 +96.19 ± 13.64 0 12 91 147 0 +209.91 ± 35.92
379360 ncm-dbt-01 584034 500 189 65 246 +88.0 ± 13.19 0 7 115 125 3 +183.51 ± 31.24
379359 ncm-dbt-04 571953 500 196 68 236 +90.97 ± 13.72 1 9 102 137 1 +196.45 ± 33.71
379358 ncm-dbt-05 587113 500 197 70 233 +90.22 ± 13.86 0 14 95 141 0 +194.57 ± 35.13
379357 ncm-dbt-02 588387 500 204 75 221 +91.71 ± 13.73 0 12 98 139 1 +196.45 ± 34.53
379356 ncm-dbt-03 585253 500 198 77 225 +85.78 ± 13.92 0 13 105 130 2 +179.9 ± 33.27
379355 ncm-dbt-04 573406 500 188 76 236 +79.17 ± 14.9 1 20 95 134 0 +169.27 ± 35.09
379354 ncm-dbt-01 585717 500 177 60 263 +82.84 ± 13.39 1 9 112 128 0 +178.11 ± 31.94
379353 ncm-dbt-05 586012 500 189 61 250 +90.96 ± 14.17 0 15 93 141 1 +194.57 ± 35.52
379352 ncm-dbt-02 589112 500 193 59 248 +95.44 ± 13.31 0 9 99 141 1 +206.01 ± 34.24
379351 ncm-dbt-03 585211 500 198 77 225 +85.78 ± 12.98 0 8 114 127 1 +181.7 ± 31.48
379350 ncm-dbt-04 572921 500 182 75 243 +75.52 ± 15.33 2 19 101 126 2 +158.93 ± 34.05
379349 ncm-dbt-01 584453 500 193 83 224 +77.71 ± 14.86 2 15 106 125 2 +164.07 ± 33.19
379348 ncm-dbt-05 579331 500 187 74 239 +79.9 ± 13.62 0 14 109 127 0 +169.27 ± 32.62
379347 ncm-dbt-02 587113 500 185 74 241 +78.44 ± 14.02 1 12 114 121 2 +164.07 ± 31.75
379346 ncm-dbt-03 588643 500 186 61 253 +88.74 ± 15.0 0 21 84 144 1 +189.0 ± 37.17
379345 ncm-dbt-04 573002 500 191 76 233 +81.37 ± 13.81 0 15 105 130 0 +172.78 ± 33.32
379344 ncm-dbt-01 585169 500 188 62 250 +89.48 ± 13.53 0 10 106 132 2 +189.0 ± 32.98
379343 ncm-dbt-05 590653 500 187 69 244 +83.57 ± 13.71 0 13 107 129 1 +176.33 ± 32.93
379342 ncm-dbt-04 572276 500 187 72 241 +81.37 ± 14.68 1 16 102 129 2 +171.02 ± 33.87
379341 ncm-dbt-02 588047 500 178 57 265 +85.78 ± 13.77 0 13 104 132 1 +181.7 ± 33.45
379340 ncm-dbt-03 588004 500 194 71 235 +87.26 ± 13.17 0 9 110 130 1 +185.33 ± 32.23
379339 ncm-dbt-01 585379 500 185 70 245 +81.36 ± 13.81 0 14 108 127 1 +171.02 ± 32.78
379338 ncm-dbt-05 584327 500 189 64 247 +88.74 ± 12.71 0 5 117 126 2 +187.16 ± 30.73
379337 ncm-dbt-02 588558 500 189 83 228 +74.79 ± 14.49 0 19 108 121 2 +153.86 ± 32.88
379336 ncm-dbt-03 586054 500 196 71 233 +88.74 ± 13.98 1 11 101 136 1 +190.85 ± 33.97
379335 ncm-dbt-04 571351 500 194 68 238 +89.48 ± 13.22 0 8 110 130 2 +189.0 ± 32.17
379334 ncm-dbt-01 583405 500 189 70 241 +84.31 ± 13.88 2 8 110 129 1 +181.7 ± 32.28
379333 ncm-dbt-03 589582 500 198 69 233 +91.71 ± 13.42 0 9 105 134 2 +194.57 ± 33.11
379332 ncm-dbt-04 572155 500 199 69 232 +92.45 ± 14.2 0 15 91 143 1 +198.34 ± 35.92
379331 ncm-dbt-02 587919 500 194 82 224 +79.17 ± 14.62 0 19 102 127 2 +164.07 ± 33.88
379330 ncm-dbt-05 585042 500 201 59 240 +101.46 ± 13.69 0 10 90 148 2 +219.87 ± 36.1
379329 ncm-dbt-01 583363 500 197 72 231 +88.74 ± 13.36 0 9 109 130 2 +187.16 ± 32.4

Commit

Commit ID 56444ce1f7e2204d69c35f5826f74130adc77b2c
Author peregrineshahin
Date 2024-09-28 16:01:31 UTC
Push expected cutting late moves up in the move ordering. since the passing of the LMR verification is coming from a relatively late move this means we have wasted some time trying/picking other moves, and it would make sense to push it up in the move ordering for future positions not to be as late. Passed STC: https://tests.stockfishchess.org/tests/view/66f0f69186d5ee47d953b2aa LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 34144 W: 9024 L: 8709 D: 16411 Ptnml(0-2): 137, 3875, 8732, 4192, 136 Passed LTC: https://tests.stockfishchess.org/tests/view/66f1d84a86d5ee47d953b325 LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 62808 W: 16054 L: 15684 D: 31070 Ptnml(0-2): 24, 6725, 17555, 7057, 43 closes https://github.com/official-stockfish/Stockfish/pull/5608 bench: 1452807
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