Dev Builds » 20250227-1940

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 06:47:30 584270 4016 1654 510 1852 +101.79 ± 4.74 1 58 768 1158 23 +219.24 ± 12.22
ncm-dbt-02 06:45:57 586091 4000 1642 484 1874 +103.54 ± 4.81 0 75 708 1201 16 +225.49 ± 12.79
ncm-dbt-03 06:45:23 587644 4000 1598 488 1914 +99.01 ± 4.88 2 77 750 1151 20 +212.86 ± 12.41
ncm-dbt-04 06:46:15 570325 4000 1647 463 1890 +106.01 ± 4.71 0 56 725 1198 21 +230.95 ± 12.6
ncm-dbt-05 06:47:27 584372 3984 1624 485 1875 +102.18 ± 4.84 2 71 722 1180 17 +222.03 ± 12.66
20000 8165 2430 9405 +102.5 ± 2.15 5 337 3673 5888 97 +222.05 ± 5.6

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
402119 ncm-dbt-01 583656 16 7 1 8 +136.89 ± 61.78 0 0 2 6 0 +337.87 ± 515.83
402118 ncm-dbt-05 584579 484 193 52 239 +104.23 ± 13.31 0 7 88 146 1 +229.39 ± 36.4
402117 ncm-dbt-04 569549 500 202 56 242 +104.49 ± 13.55 0 9 88 151 2 +228.08 ± 36.51
402116 ncm-dbt-02 582485 500 200 53 247 +105.25 ± 12.88 0 6 92 151 1 +232.26 ± 35.5
402115 ncm-dbt-03 587113 500 196 59 245 +97.69 ± 13.17 0 8 98 143 1 +211.87 ± 34.38
402114 ncm-dbt-01 582027 500 203 61 236 +101.46 ± 13.69 0 9 93 145 3 +217.85 ± 35.44
402113 ncm-dbt-05 587749 500 210 59 231 +108.3 ± 12.88 0 4 94 149 3 +236.51 ± 34.92
402112 ncm-dbt-02 586901 500 222 65 213 +112.91 ± 12.69 0 3 90 154 3 +249.64 ± 35.69
402111 ncm-dbt-04 569470 500 201 62 237 +99.2 ± 13.19 0 8 96 145 1 +215.85 ± 34.78
402110 ncm-dbt-03 585759 500 203 57 240 +104.49 ± 14.04 0 10 88 148 4 +223.94 ± 36.53
402109 ncm-dbt-01 584243 500 201 58 241 +102.22 ± 12.52 0 4 100 145 1 +223.94 ± 33.69
402108 ncm-dbt-05 585843 500 208 64 228 +102.97 ± 14.49 0 13 84 149 4 +219.87 ± 37.42
402107 ncm-dbt-04 570188 500 200 66 234 +95.44 ± 12.98 0 6 106 136 2 +204.07 ± 32.73
402106 ncm-dbt-02 587579 500 202 62 236 +99.95 ± 13.84 0 10 93 144 3 +213.85 ± 35.47
402105 ncm-dbt-03 588217 500 208 72 220 +96.94 ± 13.81 0 11 94 143 2 +207.95 ± 35.29
402104 ncm-dbt-01 584579 500 208 77 215 +93.2 ± 13.6 0 9 104 134 3 +196.45 ± 33.3
402103 ncm-dbt-05 582277 500 208 69 223 +99.2 ± 13.83 0 11 91 146 2 +213.85 ± 35.9
402102 ncm-dbt-02 584411 500 193 61 246 +93.95 ± 15.11 0 18 86 142 4 +196.45 ± 36.88
402101 ncm-dbt-04 570348 500 209 58 233 +108.3 ± 13.4 0 7 88 152 3 +236.51 ± 36.44
402100 ncm-dbt-03 588345 500 198 60 242 +98.44 ± 14.29 1 11 89 147 2 +213.85 ± 36.34
402099 ncm-dbt-01 583405 500 203 71 226 +93.95 ± 13.29 0 9 101 139 1 +202.15 ± 33.85
402098 ncm-dbt-02 585801 500 203 67 230 +96.94 ± 13.49 0 8 101 138 3 +206.01 ± 33.8
402097 ncm-dbt-05 587070 500 198 60 242 +98.44 ± 13.82 0 10 95 142 3 +209.91 ± 35.06
402096 ncm-dbt-04 568912 500 210 55 235 +111.37 ± 13.05 0 5 88 154 3 +245.2 ± 36.32
402095 ncm-dbt-03 588472 500 203 52 245 +108.3 ± 12.16 0 2 96 151 1 +240.82 ± 34.28
402094 ncm-dbt-01 585506 500 205 64 231 +100.7 ± 13.36 0 7 98 142 3 +215.85 ± 34.33
402093 ncm-dbt-04 571391 500 207 59 234 +106.01 ± 13.22 0 7 90 151 2 +232.26 ± 35.99
402092 ncm-dbt-02 586350 500 214 57 229 +112.91 ± 13.04 0 7 80 162 1 +254.16 ± 38.36
402091 ncm-dbt-05 581818 500 210 61 229 +106.77 ± 13.23 0 9 83 158 0 +238.66 ± 37.66
402090 ncm-dbt-03 587919 500 192 60 248 +93.95 ± 14.07 1 9 100 137 3 +200.24 ± 34.09
402089 ncm-dbt-01 586223 500 203 54 243 +106.78 ± 13.89 1 6 90 149 4 +232.26 ± 35.99
402088 ncm-dbt-04 569949 500 211 52 237 +114.45 ± 13.21 0 6 82 159 3 +254.16 ± 37.82
402087 ncm-dbt-02 587579 500 200 64 236 +96.94 ± 13.81 0 12 91 146 1 +209.91 ± 35.92
402086 ncm-dbt-05 582235 500 201 60 239 +100.71 ± 13.36 1 6 95 147 1 +221.9 ± 34.93
402085 ncm-dbt-03 587622 500 207 67 226 +99.95 ± 14.15 0 11 92 143 4 +211.87 ± 35.7
402084 ncm-dbt-01 582444 500 212 61 227 +108.3 ± 13.23 0 5 93 148 4 +234.38 ± 35.22
402083 ncm-dbt-04 572800 500 207 55 238 +109.07 ± 13.89 0 8 87 150 5 +234.38 ± 36.71
402082 ncm-dbt-02 587622 500 208 55 237 +109.83 ± 13.56 0 11 75 164 0 +247.41 ± 39.65
402081 ncm-dbt-05 583405 500 196 60 244 +96.94 ± 14.42 1 11 92 143 3 +207.95 ± 35.71
402080 ncm-dbt-03 587707 500 191 61 248 +92.45 ± 14.5 0 15 93 139 3 +194.57 ± 35.52
402079 ncm-dbt-01 586350 500 212 63 225 +106.77 ± 13.89 0 9 87 150 4 +230.16 ± 36.73

Commit

Commit ID 5c617e579cb44215a8904b879b24d3e7bbd78412
Author FauziAkram
Date 2025-02-27 19:40:56 UTC
VVLTC Search Tune Passed VVLTC with STC bounds: LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 15788 W: 4106 L: 3868 D: 7814 Ptnml(0-2): 0, 1324, 5009, 1560, 1 https://tests.stockfishchess.org/tests/view/67bf2ddd6e569f6234102ade Passed VVLTC with LTC bounds: LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 13622 W: 3620 L: 3368 D: 6634 Ptnml(0-2): 3, 1190, 4170, 1448, 0 https://tests.stockfishchess.org/tests/view/67c04308c8f7c4c0632d8055 closes https://github.com/official-stockfish/Stockfish/pull/5910 Bench: 1823605
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