Dev Builds » 20250112-2023

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 06:49:56 584103 4016 1577 529 1910 +92.81 ± 4.91 4 85 794 1109 16 +198.31 ± 12.06
ncm-dbt-02 06:50:17 586272 3990 1533 548 1909 +87.58 ± 5.01 1 108 811 1055 20 +183.61 ± 11.94
ncm-dbt-03 06:49:25 586785 4004 1556 529 1919 +91.15 ± 4.89 1 94 798 1095 14 +193.87 ± 12.03
ncm-dbt-04 06:47:50 570231 4000 1579 520 1901 +94.23 ± 4.86 3 80 786 1117 14 +202.15 ± 12.11
ncm-dbt-05 06:50:12 585519 3990 1560 547 1883 +90.18 ± 4.99 1 107 779 1094 14 +191.43 ± 12.2
20000 7805 2673 9522 +91.19 ± 2.21 10 474 3968 5470 78 +193.83 ± 5.39

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
395332 ncm-dbt-03 586054 4 2 1 1 +88.51 ± 137.63 0 0 1 1 0 +190.5 ± 634.21
395331 ncm-dbt-01 585211 16 8 2 6 +136.89 ± 61.78 0 0 2 6 0 +337.87 ± 515.83
395330 ncm-dbt-05 585717 490 197 74 219 +89.12 ± 13.21 0 9 104 132 0 +191.8 ± 33.26
395329 ncm-dbt-02 587240 490 178 59 253 +86.1 ± 13.8 0 12 103 129 1 +182.44 ± 33.57
395328 ncm-dbt-04 569430 500 202 70 228 +93.95 ± 13.61 0 10 100 138 2 +200.24 ± 34.09
395327 ncm-dbt-03 586689 500 182 81 237 +71.16 ± 14.92 1 21 105 122 1 +148.85 ± 33.38
395326 ncm-dbt-01 585590 500 186 67 247 +84.3 ± 13.58 0 11 111 126 2 +176.33 ± 32.16
395325 ncm-dbt-02 585421 500 190 64 246 +89.48 ± 14.15 0 14 98 136 2 +189.0 ± 34.56
395324 ncm-dbt-05 583740 500 198 69 233 +91.71 ± 13.73 0 10 104 133 3 +192.71 ± 33.34
395323 ncm-dbt-04 569031 500 207 58 235 +106.77 ± 13.39 0 7 90 150 3 +232.26 ± 35.99
395322 ncm-dbt-01 583489 500 202 66 232 +96.94 ± 14.12 1 9 96 141 3 +207.95 ± 34.86
395321 ncm-dbt-03 585337 500 187 56 257 +93.2 ± 13.91 0 12 97 139 2 +198.34 ± 34.72
395320 ncm-dbt-04 569709 500 190 52 258 +98.44 ± 13.67 1 8 94 146 1 +215.85 ± 35.23
395319 ncm-dbt-02 586139 500 201 65 234 +96.94 ± 13.33 0 7 103 137 3 +206.01 ± 33.36
395318 ncm-dbt-05 581943 500 186 68 246 +83.57 ± 14.74 0 20 93 136 1 +176.33 ± 35.47
395317 ncm-dbt-01 582402 500 189 82 229 +75.52 ± 14.65 2 15 108 124 1 +160.64 ± 32.85
395316 ncm-dbt-03 587579 500 197 66 237 +93.2 ± 13.12 0 7 107 134 2 +198.34 ± 32.63
395315 ncm-dbt-04 571551 500 204 66 230 +98.44 ± 14.14 0 12 91 144 3 +209.91 ± 35.92
395314 ncm-dbt-02 586985 500 191 63 246 +90.96 ± 14.62 0 14 99 132 5 +187.16 ± 34.38
395313 ncm-dbt-05 584958 500 202 69 229 +94.7 ± 14.54 1 14 87 147 1 +206.01 ± 36.74
395312 ncm-dbt-01 583279 500 193 72 235 +85.78 ± 14.22 0 16 98 135 1 +181.7 ± 34.58
395311 ncm-dbt-03 588387 500 193 57 250 +96.94 ± 13.65 0 11 93 145 1 +209.91 ± 35.49
395310 ncm-dbt-02 584411 500 192 80 228 +79.17 ± 14.34 1 15 106 127 1 +167.53 ± 33.17
395309 ncm-dbt-04 571190 500 190 76 234 +80.63 ± 14.23 1 14 106 128 1 +171.02 ± 33.15
395308 ncm-dbt-05 582611 500 199 66 235 +94.69 ± 14.24 0 14 91 143 2 +202.15 ± 35.92
395307 ncm-dbt-01 587197 500 202 62 236 +99.95 ± 13.68 0 10 92 146 2 +215.85 ± 35.68
395306 ncm-dbt-03 588132 500 198 73 229 +88.74 ± 13.2 0 9 108 132 1 +189.0 ± 32.58
395305 ncm-dbt-04 569151 500 205 65 230 +99.95 ± 13.19 0 6 101 140 3 +213.85 ± 33.67
395304 ncm-dbt-02 586816 500 188 72 240 +82.1 ± 13.83 0 14 107 128 1 +172.78 ± 32.96
395303 ncm-dbt-05 585801 500 193 71 236 +86.52 ± 14.38 0 13 107 125 5 +176.33 ± 32.93
395302 ncm-dbt-03 586858 500 208 62 230 +104.49 ± 13.88 0 9 90 147 4 +223.94 ± 36.07
395301 ncm-dbt-01 585295 500 200 53 247 +105.25 ± 12.88 0 6 92 151 1 +232.26 ± 35.5
395300 ncm-dbt-04 569111 500 187 74 239 +79.9 ± 13.92 1 12 111 125 1 +169.27 ± 32.25
395299 ncm-dbt-05 588174 500 192 69 239 +87.26 ± 13.8 0 13 102 134 1 +185.33 ± 33.81
395298 ncm-dbt-03 584832 500 196 72 232 +88.0 ± 13.81 0 12 104 132 2 +185.33 ± 33.42
395297 ncm-dbt-01 581943 500 188 65 247 +87.26 ± 14.25 1 11 105 130 3 +183.51 ± 33.24
395296 ncm-dbt-02 587749 500 196 70 234 +89.48 ± 14.0 0 13 100 135 2 +189.0 ± 34.18
395295 ncm-dbt-04 572679 500 194 59 247 +96.19 ± 13.48 0 11 93 146 0 +209.91 ± 35.49
395294 ncm-dbt-01 582527 500 209 60 231 +106.77 ± 13.39 0 7 90 150 3 +232.26 ± 35.99
395293 ncm-dbt-03 587197 500 193 61 246 +93.95 ± 13.92 0 13 93 143 1 +202.15 ± 35.52
395292 ncm-dbt-05 591211 500 193 61 246 +93.95 ± 14.07 0 14 91 144 1 +202.15 ± 35.92
395291 ncm-dbt-02 585421 500 197 75 228 +86.52 ± 15.23 0 19 95 131 5 +176.33 ± 35.12

Commit

Commit ID 921361829a1c09d289e973a507652ec7be9dc796
Author Shawn Xu
Date 2025-01-12 20:23:29 UTC
Simplify away capthist bonus in Probcut The explicit bonus has been obsoleted with the introduction of #5695 Passed Non-regression STC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 132832 W: 34519 L: 34403 D: 63910 Ptnml(0-2): 430, 15754, 33931, 15872, 429 https://tests.stockfishchess.org/tests/view/678158c49168c8bf30927834 Passed Non-regression LTC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 123492 W: 31426 L: 31309 D: 60757 Ptnml(0-2): 79, 13705, 34051, 13842, 69 https://tests.stockfishchess.org/tests/view/6782b07e6ddf09c0b4b6dbb7 closes https://github.com/official-stockfish/Stockfish/pull/5761 Bench: 1180439
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