Dev Builds » 20230109-1912

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 06:59:43 583508 4000 1181 880 1939 +26.19 ± 5.14 1 316 1067 613 3 +52.33 ± 10.38
ncm-dbt-02 07:00:52 585526 4010 1168 845 1997 +28.05 ± 5.18 4 300 1082 607 12 +55.04 ± 10.3
ncm-dbt-03 07:00:18 588012 4000 1149 854 1997 +25.67 ± 5.09 4 301 1095 596 4 +51.62 ± 10.22
ncm-dbt-04 07:00:14 570423 3990 1186 884 1920 +26.35 ± 5.12 4 303 1077 609 2 +53.36 ± 10.32
ncm-dbt-05 06:58:32 583852 4000 1191 870 1939 +27.94 ± 5.17 7 295 1073 620 5 +56.61 ± 10.34
20000 5875 4333 9792 +26.84 ± 2.3 20 1515 5394 3045 26 +53.79 ± 4.61

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
394978 ncm-dbt-02 583447 10 4 1 5 +107.47 ± 143.78 0 1 0 4 0 +240.76 ± 617.56 ↓
394977 ncm-dbt-04 569829 490 137 107 246 +21.3 ± 14.26 1 36 140 68 0 +44.2 ± 28.46 ↓
394976 ncm-dbt-01 585337 500 150 107 243 +29.95 ± 13.84 0 33 141 76 0 +60.36 ± 28.36 ↓
394975 ncm-dbt-03 588345 500 138 98 264 +27.86 ± 14.49 1 36 135 78 0 +57.5 ± 29.2 ↓
394974 ncm-dbt-05 586097 500 161 109 230 +36.26 ± 14.66 1 32 132 84 1 +73.34 ± 29.56 ↓
394973 ncm-dbt-02 585928 500 135 107 258 +19.48 ± 13.86 0 38 147 64 1 +37.67 ± 27.63 ↓
394972 ncm-dbt-01 583866 500 153 115 232 +26.46 ± 14.65 0 41 130 79 0 +53.22 ± 29.88 ↓
394971 ncm-dbt-04 568554 500 151 110 239 +28.56 ± 14.92 1 39 128 82 0 +58.93 ± 30.13 ↓
394970 ncm-dbt-05 585590 500 154 112 234 +29.25 ± 14.19 0 35 139 75 1 +57.5 ± 28.65 ↓
394969 ncm-dbt-03 586816 500 153 115 232 +26.46 ± 13.86 0 35 142 73 0 +53.22 ± 28.26 ↓
394968 ncm-dbt-02 586012 500 160 107 233 +36.97 ± 14.7 1 32 131 85 1 +74.79 ± 29.69 ↓
394967 ncm-dbt-01 582110 500 140 125 235 +10.43 ± 14.7 1 48 136 65 0 +22.27 ± 29.14 ↓
394966 ncm-dbt-04 570589 500 144 115 241 +20.17 ± 14.32 0 42 137 71 0 +40.48 ± 28.98 ↓
394965 ncm-dbt-05 578054 500 145 107 248 +26.46 ± 15.15 2 37 134 75 2 +53.22 ± 29.35 ↓
394964 ncm-dbt-02 584537 500 137 105 258 +22.27 ± 15.72 2 44 126 76 2 +44.72 ± 30.4 ↓
394963 ncm-dbt-03 588856 500 137 99 264 +26.46 ± 15.28 1 42 126 80 1 +53.22 ± 30.4 ↓
394962 ncm-dbt-05 584958 500 143 108 249 +24.36 ± 15.26 1 44 124 81 0 +50.38 ± 30.66 ↓
394961 ncm-dbt-01 582903 500 149 104 247 +31.35 ± 14.73 0 38 130 81 1 +61.79 ± 29.86 ↓
394960 ncm-dbt-04 571230 500 155 106 239 +34.16 ± 13.15 0 26 149 75 0 +68.99 ± 27.14 ↓
394959 ncm-dbt-02 585506 500 153 109 238 +30.65 ± 14.42 0 36 135 78 1 +60.36 ± 29.19 ↓
394958 ncm-dbt-03 586350 500 147 110 243 +25.76 ± 14.08 0 37 139 74 0 +51.8 ± 28.68 ↓
394957 ncm-dbt-01 584453 500 142 94 264 +33.46 ± 14.21 0 34 134 82 0 +67.55 ± 29.3 ↓
394956 ncm-dbt-05 583489 500 148 102 250 +32.06 ± 14.25 1 32 137 80 0 +66.1 ± 28.89 ↓
394955 ncm-dbt-04 567799 500 154 103 243 +35.56 ± 15.62 2 36 123 87 2 +71.89 ± 30.78 ↓
394954 ncm-dbt-02 587197 500 140 103 257 +25.76 ± 14.86 0 43 127 80 0 +51.8 ± 30.27 ↓
394953 ncm-dbt-03 588515 500 153 115 232 +26.46 ± 15.64 1 43 126 77 3 +50.38 ± 30.4 ↓
394952 ncm-dbt-05 585885 500 139 118 243 +14.6 ± 14.78 1 46 134 69 0 +30.65 ± 29.39 ↓
394951 ncm-dbt-04 572517 500 149 118 233 +21.57 ± 14.55 0 43 133 74 0 +43.3 ± 29.5 ↓
394950 ncm-dbt-01 581153 500 147 108 245 +27.15 ± 15.08 0 44 123 83 0 +54.65 ± 30.79 ↓
394949 ncm-dbt-03 588345 500 140 105 255 +24.36 ± 13.7 0 35 145 70 0 +48.96 ± 27.86 ↓
394948 ncm-dbt-02 586308 500 144 96 260 +33.46 ± 14.48 0 34 136 78 2 +64.66 ± 29.04 ↓
394947 ncm-dbt-05 581028 500 150 106 244 +30.65 ± 14.29 1 32 140 76 1 +61.79 ± 28.49 ↓
394946 ncm-dbt-01 585632 500 151 110 239 +28.55 ± 14.54 0 37 137 74 2 +54.65 ± 28.94 ↓
394945 ncm-dbt-04 569709 500 145 105 250 +27.85 ± 14.87 0 42 126 82 0 +56.07 ± 30.4 ↓
394944 ncm-dbt-02 586350 500 147 106 247 +28.55 ± 14.67 1 35 138 74 2 +56.07 ± 28.8 ↓
394943 ncm-dbt-03 586689 500 143 104 253 +27.16 ± 14.44 1 36 136 77 0 +56.07 ± 29.07 ↓
394942 ncm-dbt-05 585717 500 151 108 241 +29.95 ± 14.37 0 37 133 80 0 +60.36 ± 29.46 ↓
394941 ncm-dbt-04 573163 500 151 120 229 +21.57 ± 14.03 0 39 141 70 0 +43.3 ± 28.43 ↓
394940 ncm-dbt-01 582611 500 149 117 234 +22.27 ± 14.35 0 41 136 73 0 +44.72 ± 29.1 ↓
394939 ncm-dbt-03 590181 500 138 108 254 +20.87 ± 13.7 0 37 146 67 0 +41.89 ± 27.75 ↓
394938 ncm-dbt-02 584453 500 148 111 241 +25.76 ± 14.47 0 37 142 68 3 +47.55 ± 28.28 ↓

Commit

Commit ID ea0f34120fbc1ab7aa8047a1319714b87a1f3b87
Author Dubslow
Date 2023-01-09 19:12:01 UTC
Late countermove bonus: remove "extraBonus &&" passed stc: https://tests.stockfishchess.org/tests/view/63a71e409c0589b83751dc25 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 432480 W: 113846 L: 114055 D: 204579 Ptnml(0-2): 1164, 48205, 117701, 48016, 1154 passed ltc: https://tests.stockfishchess.org/tests/view/63aba66639af998100ce1aa9 LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 245344 W: 65309 L: 65317 D: 114718 Ptnml(0-2): 117, 24257, 73903, 24307, 88 closes https://github.com/official-stockfish/Stockfish/pull/4322 bench 4379218
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