Dev Builds » 20221003-2307

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 06:53:14 582928 4014 1158 930 1926 +19.76 ± 5.17 4 348 1071 584 0 +40.34 ± 10.37
ncm-dbt-02 06:52:22 587423 3996 1100 928 1968 +14.96 ± 5.09 3 350 1123 516 6 +29.46 ± 10.07
ncm-dbt-03 06:52:33 587274 4000 1109 898 1993 +18.34 ± 5.29 4 371 1037 586 2 +37.14 ± 10.56
ncm-dbt-04 06:51:43 571318 3990 1079 916 1995 +14.2 ± 5.21 6 368 1082 535 4 +28.8 ± 10.31
ncm-dbt-05 06:53:01 585304 4000 1102 960 1938 +12.34 ± 5.1 4 363 1127 499 7 +24.19 ± 10.06
20000 5548 4632 9820 +15.92 ± 2.31 21 1800 5440 2720 19 +31.98 ± 4.59

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
396968 ncm-dbt-01 582068 14 5 3 6 +49.96 ± 94.42 0 1 3 3 0 +102.11 ± 234.06 ↓
396967 ncm-dbt-04 574378 490 137 115 238 +15.61 ± 14.07 0 41 141 63 0 +31.28 ± 28.37 ↓
396966 ncm-dbt-02 589069 496 152 117 227 +24.56 ± 14.22 0 37 140 70 1 +47.93 ± 28.51 ↓
396965 ncm-dbt-05 582778 500 133 118 249 +10.43 ± 13.51 0 42 151 57 0 +20.87 ± 27.13 ↓
396964 ncm-dbt-03 587664 500 142 122 236 +13.9 ± 14.6 0 48 134 68 0 +27.85 ± 29.39 ↓
396963 ncm-dbt-01 579248 500 141 109 250 +22.27 ± 14.86 1 42 131 76 0 +46.13 ± 29.76 ↓
396962 ncm-dbt-04 571351 500 147 121 232 +18.08 ± 14.92 2 41 137 69 1 +37.67 ± 28.99 ↓
396961 ncm-dbt-02 588302 500 147 116 237 +21.57 ± 14.29 0 41 137 72 0 +43.3 ± 28.97 ↓
396960 ncm-dbt-03 586731 500 143 109 248 +23.66 ± 14.32 0 40 136 74 0 +47.55 ± 29.1 ↓
396959 ncm-dbt-05 586604 500 131 123 246 +5.56 ± 14.41 1 48 144 56 1 +11.12 ± 28.1 ↓
396958 ncm-dbt-01 587325 500 153 117 230 +25.06 ± 15.06 0 45 124 81 0 +50.38 ± 30.66 ↓
396957 ncm-dbt-04 571431 500 127 126 247 +0.69 ± 14.74 3 48 145 53 1 +4.17 ± 27.97 ↓
396956 ncm-dbt-02 586774 500 134 108 258 +18.08 ± 13.62 0 37 151 61 1 +34.86 ± 27.08 ↓
396955 ncm-dbt-03 588302 500 145 108 247 +25.76 ± 14.08 0 37 139 74 0 +51.8 ± 28.68 ↓
396954 ncm-dbt-05 585295 500 144 112 244 +22.27 ± 14.98 1 41 135 71 2 +43.3 ± 29.24 ↓
396953 ncm-dbt-01 582569 500 144 121 235 +15.99 ± 14.76 0 48 131 71 0 +32.05 ± 29.77 ↓
396952 ncm-dbt-04 570989 500 130 108 262 +15.3 ± 14.71 0 47 135 67 1 +29.25 ± 29.26 ↓
396951 ncm-dbt-02 586308 500 138 113 249 +17.39 ± 14.75 1 43 137 68 1 +34.86 ± 28.99 ↓
396950 ncm-dbt-03 585632 500 136 106 258 +20.87 ± 15.26 1 46 125 78 0 +43.3 ± 30.53 ↓
396949 ncm-dbt-05 583950 500 151 126 223 +17.39 ± 15.24 0 51 123 76 0 +34.86 ± 30.78 ↓
396948 ncm-dbt-01 582861 500 155 121 224 +23.66 ± 14.58 0 42 132 76 0 +47.55 ± 29.63 ↓
396947 ncm-dbt-04 571110 500 121 120 259 +0.69 ± 14.36 0 55 139 56 0 +1.39 ± 28.76 ↓
396946 ncm-dbt-02 582736 500 136 122 242 +9.73 ± 15.14 0 55 126 69 0 +19.48 ± 30.41 ↓
396945 ncm-dbt-03 587962 500 140 115 245 +17.39 ± 15.12 1 46 131 71 1 +34.86 ± 29.77 ↓
396944 ncm-dbt-05 587537 500 131 128 241 +2.08 ± 14.36 0 52 145 51 2 +1.39 ± 27.97 ↓
396943 ncm-dbt-01 582987 500 133 122 245 +7.65 ± 14.46 2 45 143 60 0 +18.08 ± 28.23 ↓
396942 ncm-dbt-04 570709 500 138 110 252 +19.48 ± 14.9 0 47 128 75 0 +39.08 ± 30.15 ↓
396941 ncm-dbt-02 587919 500 124 119 257 +3.48 ± 13.55 1 44 154 51 0 +8.34 ± 26.74 ↓
396940 ncm-dbt-05 585590 500 134 117 249 +11.82 ± 13.9 1 41 148 60 0 +25.06 ± 27.53 ↓
396939 ncm-dbt-03 584537 500 143 111 246 +22.27 ± 14.35 0 41 136 73 0 +44.72 ± 29.1 ↓
396938 ncm-dbt-01 583698 500 127 112 261 +10.43 ± 14.57 0 50 135 65 0 +20.87 ± 29.27 ↓
396937 ncm-dbt-04 570388 500 145 115 240 +20.87 ± 15.38 1 46 126 76 1 +41.89 ± 30.41 ↓
396936 ncm-dbt-02 587282 500 137 122 241 +10.42 ± 15.07 0 52 133 63 2 +18.08 ± 29.53 ↓
396935 ncm-dbt-03 588430 500 131 110 259 +14.6 ± 16.23 1 58 110 81 0 +30.65 ± 32.35 ↓
396934 ncm-dbt-05 584076 500 143 114 243 +20.17 ± 14.05 0 38 147 63 2 +37.67 ± 27.63 ↓
396933 ncm-dbt-01 581860 500 142 110 248 +22.27 ± 14.08 0 39 140 71 0 +44.72 ± 28.57 ↓
396932 ncm-dbt-04 570188 500 134 101 265 +22.96 ± 14.66 0 43 131 76 0 +46.13 ± 29.76 ↓
396931 ncm-dbt-02 590996 500 132 111 257 +14.6 ± 14.27 1 41 145 62 1 +29.25 ± 27.93 ↓
396930 ncm-dbt-05 586604 500 135 122 243 +9.04 ± 14.83 1 50 134 65 0 +19.48 ± 29.4 ↓
396929 ncm-dbt-03 588941 500 129 117 254 +8.34 ± 15.51 1 55 126 67 1 +16.69 ± 30.41 ↓
396928 ncm-dbt-01 583740 500 158 115 227 +29.95 ± 14.63 1 36 132 81 0 +61.79 ± 29.59 ↓

Commit

Commit ID 8bab09749dd00951bfa9c5f89f6e35bded76c8a9
Author FauziAkram
Date 2022-10-03 23:07:27 UTC
Mix alpha and statScore for reduction Idea by @xoto10, and tuning by @FauziAkram. Passed STC: LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 57832 W: 15540 L: 15199 D: 27093 Ptnml(0-2): 207, 6343, 15477, 6680, 209 https://tests.stockfishchess.org/tests/view/6338db6f35f43d649ff60fdc passed LTC: LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 50968 W: 13770 L: 13440 D: 23758 Ptnml(0-2): 25, 4905, 15306, 5211, 37 https://tests.stockfishchess.org/tests/view/6339777035f43d649ff62686 Links to the tuning sessions: https://tests.stockfishchess.org/tests/view/63345725a004bed9a2e47b28 https://tests.stockfishchess.org/tests/view/63345728a004bed9a2e47b2a closes https://github.com/official-stockfish/Stockfish/pull/4183 Bench: 4426602
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