Dev Builds » 20211205-1656

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 06:53:37 584111 4004 821 1220 1963 -34.74 ± 5.16 10 657 1060 272 3 -68.92 ± 10.41
ncm-dbt-02 06:54:09 587157 4014 833 1215 1966 -33.16 ± 5.28 14 658 1033 300 2 -64.79 ± 10.57
ncm-dbt-03 06:53:58 586976 3998 809 1228 1961 -36.55 ± 5.21 4 694 1023 273 5 -74.1 ± 10.62
ncm-dbt-04 06:52:34 571831 3984 810 1253 1921 -38.79 ± 5.2 9 695 1018 270 0 -76.93 ± 10.65
ncm-dbt-05 06:52:27 584611 4000 828 1209 1963 -33.19 ± 5.17 4 665 1042 286 3 -66.82 ± 10.52
20000 4101 6125 9774 -35.28 ± 2.33 41 3369 5176 1401 13 -70.29 ± 4.72

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
380090 ncm-dbt-01 583698 4 1 1 2 0.0 ± 17.0 0 0 2 0 0 -0.0 ± 15.22
380089 ncm-dbt-02 588089 14 0 6 8 -159.07 ± 56.3 0 6 1 0 0 -445.23 ± 480.27
380088 ncm-dbt-04 573891 484 111 159 214 -34.57 ± 14.81 0 83 124 35 0 -69.84 ± 30.6
380087 ncm-dbt-03 587282 498 90 159 249 -48.45 ± 14.22 0 95 129 24 1 -100.38 ± 29.83
380086 ncm-dbt-05 582778 500 106 147 247 -28.56 ± 15.05 0 83 126 40 1 -58.93 ± 30.4
380085 ncm-dbt-01 585506 500 120 164 216 -30.65 ± 14.42 1 78 135 36 0 -60.36 ± 29.19
380084 ncm-dbt-02 586858 500 111 164 225 -36.97 ± 14.96 3 82 130 35 0 -70.44 ± 29.84
380083 ncm-dbt-04 571070 500 96 160 244 -44.72 ± 14.77 3 88 129 30 0 -86.52 ± 29.92
380082 ncm-dbt-03 585632 500 111 145 244 -23.66 ± 14.83 0 77 131 41 1 -48.96 ± 29.75
380081 ncm-dbt-05 588302 500 91 148 261 -39.78 ± 14.74 1 89 126 34 0 -79.17 ± 30.36
380080 ncm-dbt-02 584664 500 104 150 246 -32.05 ± 15.03 2 81 128 39 0 -61.79 ± 30.13
380079 ncm-dbt-01 584453 500 108 139 253 -21.57 ± 15.18 2 72 132 43 1 -41.89 ± 29.63
380078 ncm-dbt-04 570909 500 100 153 247 -36.97 ± 14.96 2 85 127 36 0 -71.89 ± 30.24
380077 ncm-dbt-05 581860 500 108 148 244 -27.85 ± 15.25 1 82 123 44 0 -54.65 ± 30.79
380076 ncm-dbt-03 588686 500 93 151 256 -40.48 ± 14.12 0 88 132 30 0 -82.1 ± 29.52
380075 ncm-dbt-02 586943 500 99 135 266 -25.06 ± 15.18 1 79 125 45 0 -48.96 ± 30.53
380074 ncm-dbt-01 585421 500 106 147 247 -28.55 ± 13.46 0 72 147 31 0 -57.5 ± 27.53
380073 ncm-dbt-04 571953 500 108 157 235 -34.16 ± 14.91 0 88 123 39 0 -68.99 ± 30.78
380072 ncm-dbt-05 583531 500 114 157 229 -29.95 ± 15.26 1 82 128 37 2 -61.79 ± 30.13
380071 ncm-dbt-03 588132 500 105 160 235 -38.37 ± 15.04 0 93 119 38 0 -77.71 ± 31.31
380070 ncm-dbt-01 582527 500 91 143 266 -36.26 ± 14.91 1 87 125 37 0 -71.89 ± 30.51
380069 ncm-dbt-02 587282 500 104 148 248 -30.65 ± 15.43 2 83 122 43 0 -58.93 ± 30.91
380068 ncm-dbt-04 574175 500 97 157 246 -41.89 ± 14.74 0 94 122 34 0 -85.04 ± 30.9
380067 ncm-dbt-05 584453 500 110 151 239 -28.55 ± 14.14 0 77 137 36 0 -57.5 ± 28.93
380066 ncm-dbt-03 586266 500 105 147 248 -29.25 ± 14.71 1 78 134 36 1 -58.93 ± 29.33
380065 ncm-dbt-02 588302 500 97 151 252 -37.67 ± 14.61 1 86 129 34 0 -74.79 ± 29.96
380064 ncm-dbt-01 584369 500 102 159 239 -39.78 ± 14.61 1 87 131 30 1 -80.63 ± 29.67
380063 ncm-dbt-04 570268 500 91 166 243 -52.51 ± 14.39 3 93 130 24 0 -102.97 ± 29.68
380062 ncm-dbt-05 585632 500 92 152 256 -41.89 ± 14.07 0 89 132 29 0 -85.04 ± 29.5
380061 ncm-dbt-02 588302 500 106 166 228 -41.89 ± 14.74 2 88 128 32 0 -82.1 ± 30.08
380060 ncm-dbt-03 585970 500 111 161 228 -34.86 ± 15.21 2 85 124 39 0 -67.55 ± 30.65
380059 ncm-dbt-01 582444 500 101 153 246 -36.26 ± 14.26 2 79 138 31 0 -70.44 ± 28.73
380058 ncm-dbt-04 572034 500 99 148 253 -34.16 ± 13.99 1 78 140 31 0 -67.55 ± 28.46
380057 ncm-dbt-05 584874 500 97 154 249 -39.78 ± 14.48 0 90 127 33 0 -80.63 ± 30.22
380056 ncm-dbt-02 585506 500 101 149 250 -33.46 ± 14.61 0 83 134 31 2 -70.44 ± 29.29
380055 ncm-dbt-03 587240 500 106 148 246 -29.25 ± 15.83 0 90 113 46 1 -60.36 ± 32.05
380054 ncm-dbt-01 582485 500 109 166 225 -39.78 ± 14.48 2 84 133 31 0 -77.71 ± 29.4
380053 ncm-dbt-04 570348 500 108 153 239 -31.35 ± 14.98 0 86 123 41 0 -63.23 ± 30.78
380052 ncm-dbt-03 586604 500 88 157 255 -48.25 ± 13.61 1 88 141 19 1 -98.44 ± 28.04
380051 ncm-dbt-02 588472 500 111 146 243 -24.36 ± 14.88 3 70 136 41 0 -44.72 ± 29.1
380050 ncm-dbt-05 585464 500 110 152 238 -29.25 ± 13.92 1 73 143 33 0 -57.5 ± 28.1
380049 ncm-dbt-01 586097 500 83 148 269 -45.42 ± 15.32 1 98 117 33 1 -92.46 ± 31.58

Commit

Commit ID 18f2b12cd019212b9c7103cc63e3bf64a5be7c3c
Author Stefan Geschwentner
Date 2021-12-05 16:56:54 UTC
Tweak time management Use for adjustment of the falling eval time factor now also the difference between previous best average score and current best score. STC: LLR: 2.95 (-2.94,2.94) <0.00,2.50> Total: 109216 W: 28296 L: 27900 D: 53020 Ptnml(0-2): 312, 11759, 30148, 11999, 390 https://tests.stockfishchess.org/tests/view/61aafa8d1b31b85bcfa29d9c LTC: LLR: 2.93 (-2.94,2.94) <0.50,3.00> Total: 54096 W: 14091 L: 13787 D: 26218 Ptnml(0-2): 29, 5124, 16447, 5410, 38 https://tests.stockfishchess.org/tests/view/61abbbbd56fcf33bce7d1d64 closes https://github.com/official-stockfish/Stockfish/pull/3833 Bench: 4829419
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