Dev Builds » 20220806-1157

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 06:55:06 584025 4000 1132 942 1926 +16.52 ± 5.24 7 359 1076 553 5 +33.46 ± 10.34
ncm-dbt-02 06:55:54 585384 4014 1140 940 1934 +17.33 ± 5.37 4 392 1016 590 5 +34.56 ± 10.68
ncm-dbt-03 06:54:32 585198 3998 1096 949 1953 +12.78 ± 5.29 8 384 1064 539 4 +26.29 ± 10.42
ncm-dbt-04 06:56:01 569448 3988 1075 906 2007 +14.73 ± 5.19 3 372 1074 543 2 +29.69 ± 10.35
ncm-dbt-05 06:55:00 580166 4000 1125 962 1913 +14.17 ± 5.17 3 371 1091 530 5 +28.03 ± 10.26
20000 5568 4699 9733 +15.11 ± 2.35 25 1878 5321 2755 21 +30.41 ± 4.66

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
432251 ncm-dbt-02 584411 14 5 3 6 +49.96 ± 94.42 0 1 3 3 0 +102.11 ± 234.06 ↓
432250 ncm-dbt-04 567997 488 125 109 254 +11.4 ± 14.86 2 43 136 63 0 +25.68 ± 29.05 ↓
432249 ncm-dbt-03 585590 498 139 115 244 +16.76 ± 16.09 2 52 115 80 0 +36.41 ± 31.77 ↓
432248 ncm-dbt-05 578259 500 147 133 220 +9.73 ± 14.38 0 48 141 60 1 +18.08 ± 28.49 ↓
432247 ncm-dbt-01 582652 500 133 114 253 +13.21 ± 14.67 0 49 133 68 0 +26.46 ± 29.52 ↓
432246 ncm-dbt-02 586562 500 137 134 229 +2.09 ± 15.72 3 56 126 65 0 +8.34 ± 30.41 ↓
432245 ncm-dbt-04 572759 500 148 114 238 +23.66 ± 15.45 0 49 118 83 0 +47.55 ± 31.41 ↓
432244 ncm-dbt-03 586562 500 133 143 224 -6.95 ± 15.16 1 64 129 56 0 -12.51 ± 30.04 ↓
432243 ncm-dbt-05 580116 500 149 118 233 +21.57 ± 15.43 1 46 125 77 1 +43.3 ± 30.53 ↓
432242 ncm-dbt-01 583656 500 134 116 250 +12.51 ± 14.87 1 48 133 68 0 +26.46 ± 29.52 ↓
432241 ncm-dbt-02 587113 500 147 110 243 +25.76 ± 14.47 0 39 136 74 1 +50.38 ± 29.09 ↓
432240 ncm-dbt-04 567244 500 143 116 241 +18.78 ± 14.73 1 42 137 69 1 +37.67 ± 28.99 ↓
432239 ncm-dbt-03 583405 500 130 117 253 +9.04 ± 15.57 2 52 128 67 1 +19.48 ± 30.16 ↓
432238 ncm-dbt-05 582068 500 128 104 268 +16.69 ± 15.31 0 52 122 76 0 +33.46 ± 30.91 ↓
432237 ncm-dbt-01 585885 500 152 119 229 +22.96 ± 14.53 0 42 133 75 0 +46.13 ± 29.5 ↓
432236 ncm-dbt-02 581943 500 141 127 232 +9.73 ± 15.14 1 51 132 65 1 +19.48 ± 29.66 ↓
432235 ncm-dbt-04 569589 500 135 117 248 +12.51 ± 13.28 0 39 154 57 0 +25.06 ± 26.7 ↓
432234 ncm-dbt-03 584159 500 141 117 242 +16.69 ± 15.07 1 47 129 73 0 +34.86 ± 30.03 ↓
432233 ncm-dbt-05 583070 500 146 121 233 +17.39 ± 13.56 0 38 149 63 0 +34.86 ± 27.36 ↓
432232 ncm-dbt-01 584874 500 140 119 241 +14.6 ± 14.78 3 40 140 67 0 +33.46 ± 28.6 ↓
432231 ncm-dbt-02 586097 500 144 113 243 +21.57 ± 15.67 0 51 118 80 1 +41.89 ± 31.4 ↓
432230 ncm-dbt-04 569390 500 131 110 259 +14.6 ± 15.03 0 51 127 72 0 +29.25 ± 30.28 ↓
432229 ncm-dbt-03 587452 500 150 105 245 +31.35 ± 14.2 0 33 141 74 2 +60.36 ± 28.36 ↓
432228 ncm-dbt-05 580075 500 142 131 227 +7.65 ± 14.59 1 49 138 62 0 +16.69 ± 28.89 ↓
432227 ncm-dbt-01 583070 500 148 98 254 +34.86 ± 14.7 0 33 138 75 4 +64.66 ± 28.76 ↓
432226 ncm-dbt-02 587877 500 159 110 231 +34.16 ± 15.16 0 39 125 84 2 +66.1 ± 30.52 ↓
432225 ncm-dbt-03 583740 500 149 112 239 +25.76 ± 14.47 0 40 133 77 0 +51.8 ± 29.48 ↓
432224 ncm-dbt-04 570068 500 124 111 265 +9.03 ± 15.57 0 58 122 69 1 +16.69 ± 30.9 ↓
432223 ncm-dbt-05 578918 500 131 107 262 +16.69 ± 14.69 1 44 135 70 0 +34.86 ± 29.25 ↓
432222 ncm-dbt-01 582861 500 142 122 236 +13.9 ± 15.59 2 49 127 71 1 +29.25 ± 30.28 ↓
432221 ncm-dbt-02 584790 500 142 126 232 +11.12 ± 15.49 0 57 120 73 0 +22.27 ± 31.15 ↓
432220 ncm-dbt-03 584706 500 131 123 246 +5.56 ± 14.41 0 51 141 57 1 +9.73 ± 28.5 ↓
432219 ncm-dbt-04 569111 500 136 120 244 +11.12 ± 13.98 0 45 144 61 0 +22.27 ± 28.08 ↓
432218 ncm-dbt-01 583950 500 142 133 225 +6.25 ± 14.47 0 52 137 61 0 +12.51 ± 29.02 ↓
432217 ncm-dbt-02 584916 500 135 100 265 +24.36 ± 14.88 0 44 127 79 0 +48.96 ± 30.27 ↓
432216 ncm-dbt-05 579785 500 125 114 261 +7.64 ± 14.72 0 52 136 61 1 +13.9 ± 29.15 ↓
432215 ncm-dbt-03 585970 500 123 117 260 +4.17 ± 14.15 2 45 148 55 0 +11.12 ± 27.56 ↓
432214 ncm-dbt-04 569430 500 133 109 258 +16.69 ± 14.44 0 45 136 69 0 +33.46 ± 29.13 ↓
432213 ncm-dbt-05 579042 500 157 134 209 +15.99 ± 14.25 0 42 145 61 2 +29.25 ± 27.93 ↓
432212 ncm-dbt-01 585253 500 141 121 238 +13.91 ± 14.73 1 46 135 68 0 +29.25 ± 29.26 ↓
432211 ncm-dbt-02 584748 500 130 117 253 +9.04 ± 14.96 0 54 129 67 0 +18.08 ± 30.03 ↓

Commit

Commit ID e639c4557786513018f625ff96f04b63157a85c1
Author Joost VandeVondele
Date 2022-08-06 11:57:30 UTC
Update WDL model for current SF This updates the WDL model based on the LTC statistics for the two weeks (3M games). for old results see: https://github.com/official-stockfish/Stockfish/pull/3981 https://github.com/official-stockfish/Stockfish/pull/3582 https://github.com/official-stockfish/Stockfish/pull/2778 closes https://github.com/official-stockfish/Stockfish/pull/4115 No functional change.
Copyright 2011–2025 Next Chess Move LLC
Feedback & Support Terms of Service Privacy Policy Desktop Version