Dev Builds » 20220911-1205

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 06:52:08 584195 4000 1134 935 1931 +17.3 ± 5.29 12 350 1069 565 4 +36.09 ± 10.38
ncm-dbt-02 06:52:19 586968 4000 1126 922 1952 +17.73 ± 5.15 4 348 1092 552 4 +35.56 ± 10.25
ncm-dbt-03 06:52:50 586871 4000 1101 970 1929 +11.38 ± 5.24 12 371 1095 518 4 +24.19 ± 10.24
ncm-dbt-04 06:52:43 571285 4000 1113 937 1950 +15.3 ± 5.34 11 372 1052 560 5 +31.7 ± 10.48
ncm-dbt-05 06:53:11 585116 4000 1123 948 1929 +15.21 ± 5.25 9 362 1079 545 5 +31.18 ± 10.33
20000 5597 4712 9691 +15.38 ± 2.35 48 1803 5387 2740 22 +31.74 ± 4.62

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
397875 ncm-dbt-05 585801 500 137 116 247 +14.6 ± 15.4 0 52 127 69 2 +26.46 ± 30.28
397874 ncm-dbt-03 583866 500 138 136 226 +1.39 ± 15.05 3 51 137 59 0 +6.95 ± 29.02
397873 ncm-dbt-04 571592 500 149 126 225 +15.99 ± 14.64 0 47 133 70 0 +32.05 ± 29.52
397872 ncm-dbt-01 582193 500 133 120 247 +9.04 ± 15.21 3 47 134 66 0 +22.27 ± 29.4
397871 ncm-dbt-02 586901 500 128 104 268 +16.69 ± 14.56 0 45 137 67 1 +32.05 ± 29.0
397870 ncm-dbt-03 583866 500 143 128 229 +10.43 ± 14.95 1 49 135 64 1 +20.87 ± 29.27
397869 ncm-dbt-05 588217 500 130 126 244 +2.78 ± 14.8 3 48 141 58 0 +9.73 ± 28.5
397868 ncm-dbt-04 570388 500 132 124 244 +5.56 ± 15.77 3 53 128 65 1 +13.9 ± 30.16
397867 ncm-dbt-02 584159 500 148 116 236 +22.27 ± 14.21 1 37 141 71 0 +46.13 ± 28.42
397866 ncm-dbt-01 582987 500 164 119 217 +31.35 ± 14.2 0 35 135 80 0 +63.23 ± 29.18
397865 ncm-dbt-03 586393 500 133 121 246 +8.34 ± 14.13 1 44 148 56 1 +16.69 ± 27.55
397864 ncm-dbt-05 583405 500 145 122 233 +15.99 ± 14.38 0 45 137 68 0 +32.05 ± 29.0
397863 ncm-dbt-04 570869 500 140 101 259 +27.16 ± 14.7 2 35 135 78 0 +57.5 ± 29.2
397862 ncm-dbt-02 588004 500 135 113 252 +15.3 ± 15.33 0 53 122 75 0 +30.65 ± 30.9
397861 ncm-dbt-01 582819 500 131 114 255 +11.82 ± 14.17 0 46 141 63 0 +23.66 ± 28.48
397860 ncm-dbt-03 586689 500 141 125 234 +11.12 ± 15.49 4 44 135 66 1 +26.46 ± 29.26
397859 ncm-dbt-05 585084 500 140 113 247 +18.78 ± 13.67 0 38 147 65 0 +37.67 ± 27.63
397858 ncm-dbt-01 583908 500 145 122 233 +15.99 ± 14.51 0 45 138 66 1 +30.65 ± 28.87
397857 ncm-dbt-02 589582 500 137 111 252 +18.08 ± 13.62 0 38 148 64 0 +36.26 ± 27.5
397856 ncm-dbt-04 572114 500 134 112 254 +15.3 ± 14.84 1 45 136 67 1 +30.65 ± 29.13
397855 ncm-dbt-03 589112 500 134 120 246 +9.73 ± 14.77 0 52 132 66 0 +19.48 ± 29.66
397854 ncm-dbt-05 586139 500 144 122 234 +15.3 ± 15.33 2 47 128 73 0 +33.46 ± 30.16
397853 ncm-dbt-01 585843 500 142 112 246 +20.87 ± 15.86 5 39 127 79 0 +48.96 ± 30.27
397852 ncm-dbt-04 571150 500 139 118 243 +14.6 ± 15.28 2 46 132 69 1 +30.65 ± 29.65
397851 ncm-dbt-02 585126 500 148 119 233 +20.17 ± 15.33 2 43 130 74 1 +41.89 ± 29.89
397850 ncm-dbt-01 587197 500 144 121 235 +15.99 ± 15.26 1 48 129 71 1 +32.05 ± 30.03
397849 ncm-dbt-03 589112 500 134 116 250 +12.51 ± 13.96 0 44 144 62 0 +25.06 ± 28.08
397848 ncm-dbt-05 583531 500 143 117 240 +18.08 ± 15.05 1 44 135 68 2 +34.86 ± 29.25
397847 ncm-dbt-04 570709 500 153 113 234 +27.85 ± 14.75 0 40 131 78 1 +54.65 ± 29.74
397846 ncm-dbt-02 583531 500 150 126 224 +16.69 ± 15.19 1 47 130 71 1 +33.46 ± 29.9
397845 ncm-dbt-01 585548 500 135 114 251 +14.6 ± 15.16 2 45 134 68 1 +30.65 ± 29.39
397844 ncm-dbt-03 586266 500 142 112 246 +20.87 ± 14.24 1 38 141 70 0 +43.3 ± 28.43
397843 ncm-dbt-02 590653 500 129 120 251 +6.25 ± 13.54 0 44 154 51 1 +11.12 ± 26.73
397842 ncm-dbt-04 571994 500 134 121 245 +9.04 ± 14.96 2 48 135 65 0 +20.87 ± 29.27
397841 ncm-dbt-05 582193 500 136 122 242 +9.73 ± 15.02 2 48 134 66 0 +22.27 ± 29.4
397840 ncm-dbt-05 586562 500 148 110 242 +26.46 ± 15.03 1 40 130 78 1 +53.22 ± 29.88
397839 ncm-dbt-04 571471 500 132 122 246 +6.95 ± 15.76 1 58 122 68 1 +13.9 ± 30.9
397838 ncm-dbt-03 589668 500 136 112 252 +16.69 ± 15.79 2 49 123 75 1 +34.86 ± 30.78
397837 ncm-dbt-01 583070 500 140 113 247 +18.78 ± 15.1 1 45 131 72 1 +37.67 ± 29.77
397836 ncm-dbt-02 587792 500 151 113 236 +26.46 ± 14.65 0 41 130 79 0 +53.22 ± 29.88

Commit

Commit ID eaf2c8207fff9699201085fec123c114f454f798
Author Michael Chaly
Date 2022-09-11 12:05:39 UTC
Further LTC tuning of search parameters Tuning done by bigpenor with some hand adjustments on top by Viz. Had a good performance at fixed games 180+1.8: https://tests.stockfishchess.org/tests/view/631836b437f41b13973d7da1 Elo: 1.35 +-1.2 (95%) LOS: 98.6% Total: 60000 W: 16422 L: 16189 D: 27389 Ptnml(0-2): 39, 5335, 18992, 5622, 12 nElo: 3.13 +-2.8 (95%) PairsRatio: 1.05 Passed 60+0.6 8 threads SPRT: https://tests.stockfishchess.org/tests/view/631ba0ff74bc4fe483a99db3 LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 29712 W: 8301 L: 8039 D: 13372 Ptnml(0-2): 12, 2318, 9925, 2598, 3 closes https://github.com/official-stockfish/Stockfish/pull/4160 bench 3938073
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