Dev Builds » 20250118-1925

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 06:49:05 584042 4000 1550 516 1934 +91.9 ± 4.96 4 95 777 1111 13 +196.69 ± 12.21
ncm-dbt-02 06:51:29 585099 4006 1580 566 1860 +89.9 ± 4.88 1 87 833 1061 21 +189.12 ± 11.74
ncm-dbt-03 06:50:17 586254 4000 1536 549 1915 +87.54 ± 4.94 1 104 817 1063 15 +184.65 ± 11.89
ncm-dbt-04 06:52:24 570325 3994 1526 547 1921 +86.93 ± 4.83 0 91 850 1042 14 +183.16 ± 11.61
ncm-dbt-05 06:51:58 585887 4000 1522 540 1938 +87.07 ± 4.81 2 89 842 1059 8 +185.33 ± 11.68
20000 7714 2718 9568 +88.67 ± 2.19 8 466 4119 5336 71 +187.76 ± 5.28

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
396678 ncm-dbt-02 587962 6 3 1 2 +120.22 ± 109.7 0 0 1 2 0 +279.24 ± 576.89
396677 ncm-dbt-05 586393 500 192 62 246 +92.45 ± 13.74 0 12 97 140 1 +198.34 ± 34.72
396676 ncm-dbt-04 571110 494 195 78 221 +83.88 ± 13.83 0 12 108 125 2 +175.25 ± 32.7
396675 ncm-dbt-03 586604 500 185 73 242 +79.17 ± 14.05 0 16 107 126 1 +165.8 ± 33.0
396674 ncm-dbt-01 583824 500 196 77 227 +84.31 ± 13.88 1 11 107 130 1 +179.9 ± 32.89
396673 ncm-dbt-02 582861 500 190 83 227 +75.52 ± 13.49 0 13 118 118 1 +157.24 ± 31.11
396672 ncm-dbt-05 581985 500 190 70 240 +85.04 ± 13.13 0 10 110 130 0 +181.7 ± 32.28
396671 ncm-dbt-01 585421 500 196 66 238 +92.45 ± 13.74 0 13 94 143 0 +200.24 ± 35.32
396670 ncm-dbt-03 586308 500 198 71 231 +90.22 ± 14.01 1 10 102 135 2 +192.71 ± 33.75
396669 ncm-dbt-04 568593 500 189 64 247 +88.74 ± 13.2 0 8 111 129 2 +187.16 ± 31.99
396668 ncm-dbt-02 587877 500 198 82 220 +82.1 ± 13.83 0 11 116 119 4 +167.53 ± 31.34
396667 ncm-dbt-03 587792 500 192 77 231 +81.37 ± 13.96 0 16 103 131 0 +172.78 ± 33.69
396666 ncm-dbt-01 584537 500 204 70 226 +95.44 ± 14.1 1 9 98 139 3 +204.07 ± 34.47
396665 ncm-dbt-05 587367 500 193 71 236 +86.52 ± 13.63 1 9 108 131 1 +185.33 ± 32.63
396664 ncm-dbt-04 570029 500 187 68 245 +84.31 ± 13.88 0 15 101 134 0 +179.9 ± 34.03
396663 ncm-dbt-02 586858 500 187 74 239 +79.9 ± 14.5 1 16 103 129 1 +169.27 ± 33.7
396662 ncm-dbt-01 580489 500 194 70 236 +88.0 ± 14.41 0 16 96 136 2 +185.33 ± 34.95
396661 ncm-dbt-05 586943 500 182 74 244 +76.25 ± 13.66 0 15 112 123 0 +160.64 ± 32.15
396660 ncm-dbt-02 583698 500 192 68 240 +88.0 ± 14.12 0 14 100 134 2 +185.33 ± 34.19
396659 ncm-dbt-03 584790 500 175 69 256 +74.79 ± 13.91 0 17 110 123 0 +157.24 ± 32.52
396658 ncm-dbt-04 570669 500 194 64 242 +92.45 ± 13.59 0 9 105 133 3 +194.57 ± 33.11
396657 ncm-dbt-01 583572 500 195 52 253 +102.22 ± 13.7 0 9 92 146 3 +219.87 ± 35.65
396656 ncm-dbt-05 583279 500 200 61 239 +99.2 ± 12.85 0 6 100 143 1 +215.85 ± 33.86
396655 ncm-dbt-02 584790 500 198 59 243 +99.2 ± 13.67 0 10 93 145 2 +213.85 ± 35.47
396654 ncm-dbt-04 569709 500 201 76 223 +88.74 ± 13.68 0 12 102 135 1 +189.0 ± 33.78
396653 ncm-dbt-03 587537 500 200 59 241 +100.7 ± 14.01 0 8 99 137 6 +209.91 ± 34.19
396652 ncm-dbt-01 584327 500 191 60 249 +93.2 ± 14.21 1 12 93 143 1 +202.15 ± 35.52
396651 ncm-dbt-03 583112 500 191 59 250 +93.95 ± 13.13 0 8 103 138 1 +202.15 ± 33.42
396650 ncm-dbt-05 587537 500 200 53 247 +105.25 ± 13.22 0 7 91 150 2 +230.16 ± 35.78
396649 ncm-dbt-04 572276 500 190 66 244 +88.0 ± 13.35 0 9 110 129 2 +185.33 ± 32.23
396648 ncm-dbt-02 584579 500 205 68 227 +97.69 ± 13.17 0 6 104 137 3 +207.95 ± 33.1
396647 ncm-dbt-01 584411 500 193 57 250 +96.94 ± 13.96 0 12 92 144 2 +207.95 ± 35.71
396646 ncm-dbt-03 585253 500 201 69 230 +93.95 ± 13.61 0 10 100 138 2 +200.24 ± 34.09
396645 ncm-dbt-02 583698 500 202 76 222 +89.48 ± 14.15 0 11 107 127 5 +183.51 ± 32.85
396644 ncm-dbt-05 587962 500 173 81 246 +64.67 ± 14.26 1 19 117 113 0 +135.76 ± 31.48
396643 ncm-dbt-04 569430 500 179 56 265 +87.26 ± 13.64 0 10 110 127 3 +181.7 ± 32.28
396642 ncm-dbt-01 585759 500 181 64 255 +82.83 ± 14.14 1 13 105 130 1 +176.33 ± 33.3
396641 ncm-dbt-03 588643 500 194 72 234 +86.52 ± 14.95 0 19 93 135 3 +179.9 ± 35.49
396640 ncm-dbt-02 583572 500 205 55 240 +107.54 ± 13.23 0 6 91 150 3 +234.38 ± 35.72
396639 ncm-dbt-05 585632 500 192 68 240 +88.0 ± 13.81 0 11 107 129 3 +183.51 ± 32.85
396638 ncm-dbt-04 570789 500 191 75 234 +82.1 ± 14.13 0 16 103 130 1 +172.78 ± 33.69

Commit

Commit ID 5868b4cb584f7fcf55e4f901fc059af86c53d89e
Author Daniel Monroe
Date 2025-01-18 19:25:59 UTC
remove eval== staticeval check in fut pruning Simplify corrplexity in futility margin Don't check that staticEval == eval when applying the corrplexity-based adjustment in futility pruning. Passed Simplification STC LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 121760 W: 31640 L: 31512 D: 58608 Ptnml(0-2): 349, 14400, 31289, 14458, 384 https://tests.stockfishchess.org/tests/view/6780c4109168c8bf30927777 Passed Simplification LTC LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 134772 W: 34245 L: 34140 D: 66387 Ptnml(0-2): 94, 14869, 37350, 14984, 89 https://tests.stockfishchess.org/tests/view/6782d6ea6ddf09c0b4b6dd36 closes https://github.com/official-stockfish/Stockfish/pull/5776 Bench: 1487627
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