Dev Builds » 20220907-0531

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 06:54:56 582987 4000 1080 930 1990 +13.03 ± 5.28 4 392 1061 536 7 +25.58 ± 10.43
ncm-dbt-02 06:54:00 585133 4002 1086 976 1940 +9.55 ± 5.2 7 390 1093 508 3 +19.82 ± 10.25
ncm-dbt-03 06:54:12 583590 3998 1131 971 1896 +13.91 ± 5.2 5 372 1084 534 4 +28.04 ± 10.3
ncm-dbt-04 06:52:12 568943 4000 1150 927 1923 +19.39 ± 5.34 5 368 1033 587 7 +38.55 ± 10.59
ncm-dbt-05 06:53:25 582254 4000 1112 913 1975 +17.3 ± 5.19 5 353 1085 552 5 +34.68 ± 10.29
20000 5559 4717 9724 +14.64 ± 2.35 26 1875 5356 2717 26 +29.32 ± 4.64

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
432122 ncm-dbt-02 583572 2 0 0 2 0.0 ± 34.02 0 0 1 0 0 0.0 ± 30.47 ↓
432121 ncm-dbt-01 577069 500 121 116 263 +3.48 ± 15.35 1 58 126 65 0 +8.34 ± 30.41 ↓
432120 ncm-dbt-03 581070 498 136 122 240 +9.77 ± 13.91 1 42 148 58 0 +20.96 ± 27.52 ↓
432119 ncm-dbt-04 568315 500 139 120 241 +13.21 ± 14.15 0 44 144 61 1 +25.06 ± 28.08 ↓
432118 ncm-dbt-05 583405 500 138 114 248 +16.69 ± 14.69 1 43 138 67 1 +33.46 ± 28.86 ↓
432117 ncm-dbt-02 584076 500 145 132 223 +9.04 ± 15.45 1 54 127 67 1 +18.08 ± 30.28 ↓
432116 ncm-dbt-03 586266 500 148 124 228 +16.69 ± 14.94 0 49 128 73 0 +33.46 ± 30.16 ↓
432115 ncm-dbt-01 583572 500 127 116 257 +7.64 ± 14.97 0 54 132 63 1 +13.9 ± 29.66 ↓
432114 ncm-dbt-02 584832 500 138 126 236 +8.34 ± 14.78 1 49 138 61 1 +16.69 ± 28.89 ↓
432113 ncm-dbt-05 581943 500 145 104 251 +28.56 ± 14.54 1 36 134 79 0 +58.93 ± 29.33 ↓
432112 ncm-dbt-04 566928 500 151 114 235 +25.76 ± 15.6 1 45 121 82 1 +51.8 ± 31.04 ↓
432111 ncm-dbt-03 585464 500 150 124 226 +18.08 ± 14.42 0 44 136 70 0 +36.26 ± 29.12 ↓
432110 ncm-dbt-01 583992 500 145 131 224 +9.73 ± 14.64 2 43 146 57 2 +19.48 ± 27.82 ↓
432109 ncm-dbt-02 583405 500 139 110 251 +20.18 ± 14.7 1 42 134 73 0 +41.89 ± 29.37 ↓
432108 ncm-dbt-04 570428 500 142 115 243 +18.78 ± 14.98 1 45 130 74 0 +39.08 ± 29.9 ↓
432107 ncm-dbt-05 581319 500 145 115 240 +20.87 ± 14.76 1 42 133 74 0 +43.3 ± 29.5 ↓
432106 ncm-dbt-03 585000 500 128 109 263 +13.21 ± 15.17 1 48 134 65 2 +25.06 ± 29.4 ↓
432105 ncm-dbt-01 581985 500 138 102 260 +25.06 ± 14.55 0 41 132 77 0 +50.38 ± 29.62 ↓
432104 ncm-dbt-02 585674 500 133 115 252 +12.51 ± 14.09 1 42 145 62 0 +26.46 ± 27.94 ↓
432103 ncm-dbt-04 568355 500 139 112 249 +18.78 ± 15.1 0 49 125 76 0 +37.67 ± 30.53 ↓
432102 ncm-dbt-05 579166 500 138 116 246 +15.3 ± 15.09 0 50 129 70 1 +29.25 ± 30.03 ↓
432101 ncm-dbt-03 583866 500 148 127 225 +14.6 ± 14.65 1 43 142 62 2 +27.85 ± 28.34 ↓
432100 ncm-dbt-01 582778 500 149 121 230 +19.48 ± 15.03 0 48 126 76 0 +39.08 ± 30.41 ↓
432099 ncm-dbt-02 585885 500 131 116 253 +10.43 ± 14.31 0 48 139 63 0 +20.87 ± 28.75 ↓
432098 ncm-dbt-04 569230 500 151 119 230 +22.26 ± 14.98 0 45 129 75 1 +43.3 ± 30.02 ↓
432097 ncm-dbt-05 584285 500 128 108 264 +13.91 ± 14.85 1 47 133 69 0 +29.25 ± 29.52 ↓
432096 ncm-dbt-03 581735 500 150 111 239 +27.15 ± 14.95 0 43 125 82 0 +54.65 ± 30.53 ↓
432095 ncm-dbt-04 569230 500 135 126 239 +6.26 ± 14.6 2 47 141 60 0 +15.3 ± 28.49 ↓
432094 ncm-dbt-01 584622 500 125 99 276 +18.08 ± 15.3 0 49 128 71 2 +33.46 ± 30.16 ↓
432093 ncm-dbt-02 586774 500 136 112 252 +16.69 ± 14.56 0 46 134 70 0 +33.46 ± 29.39 ↓
432092 ncm-dbt-05 581319 500 134 125 241 +6.25 ± 14.6 1 48 144 55 2 +11.12 ± 28.1 ↓
432091 ncm-dbt-04 568355 500 150 115 235 +24.36 ± 15.74 1 48 116 85 0 +50.38 ± 31.66 ↓
432090 ncm-dbt-03 584748 500 133 136 231 -2.08 ± 14.48 2 52 143 53 0 -1.39 ± 28.24 ↓
432089 ncm-dbt-02 586139 500 130 126 244 +2.78 ± 15.42 3 52 134 60 1 +8.34 ± 29.41 ↓
432088 ncm-dbt-01 583279 500 136 120 244 +11.12 ± 14.75 1 48 135 66 0 +23.66 ± 29.27 ↓
432087 ncm-dbt-05 583866 500 141 114 245 +18.78 ± 14.08 0 41 141 68 0 +37.67 ± 28.45 ↓
432086 ncm-dbt-03 580572 500 138 118 244 +13.9 ± 14.98 0 51 128 71 0 +27.85 ± 30.16 ↓
432085 ncm-dbt-04 570709 500 143 106 251 +25.76 ± 15.6 0 45 127 74 4 +46.13 ± 30.28 ↓
432084 ncm-dbt-02 585843 500 134 139 227 -3.47 ± 14.22 0 57 141 52 0 -6.95 ± 28.5 ↓
432083 ncm-dbt-01 586604 500 139 125 236 +9.73 ± 14.89 0 51 136 61 2 +16.69 ± 29.14 ↓
432082 ncm-dbt-05 582736 500 143 117 240 +18.08 ± 14.8 0 46 133 70 1 +34.86 ± 29.51 ↓

Commit

Commit ID dddf8fc2b4867bad8b01fe3a18266c3677f3f726
Author Joost VandeVondele
Date 2022-09-07 05:31:48 UTC
Increase the maximum number of threads to 1024 relatively soon servers with 512 threads will be available 'quite commonly', anticipate even more threads, and increase our current maximum from 512 to 1024. closes https://github.com/official-stockfish/Stockfish/pull/4152 No functional change.
Copyright 2011–2025 Next Chess Move LLC
Feedback & Support Terms of Service Privacy Policy Desktop Version