Dev Builds » 20221123-2036

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 06:59:58 582763 4000 1155 927 1918 +19.83 ± 5.09 0 337 1104 553 6 +38.72 ± 10.18
ncm-dbt-02 06:58:46 586100 4000 1145 909 1946 +20.52 ± 5.03 4 314 1127 552 3 +41.37 ± 10.04
ncm-dbt-03 06:58:19 583104 4000 1092 902 2006 +16.52 ± 5.2 5 359 1081 551 4 +33.28 ± 10.32
ncm-dbt-04 06:59:17 568678 4000 1124 891 1985 +20.26 ± 5.22 4 346 1069 575 6 +40.31 ± 10.38
ncm-dbt-05 07:00:01 577446 4000 1141 851 2008 +25.23 ± 5.11 1 313 1086 595 5 +50.03 ± 10.27
20000 5657 4480 9863 +20.47 ± 2.29 14 1669 5467 2826 24 +40.73 ± 4.58

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
431426 ncm-dbt-05 575191 500 143 115 242 +19.48 ± 14.26 0 42 138 70 0 +39.08 ± 28.85 ↓
431425 ncm-dbt-01 583028 500 142 107 251 +24.36 ± 14.63 0 42 131 77 0 +48.96 ± 29.75 ↓
431424 ncm-dbt-03 582694 500 139 130 231 +6.25 ± 14.98 0 55 132 62 1 +11.12 ± 29.66 ↓
431423 ncm-dbt-02 583656 500 138 127 235 +7.64 ± 14.33 0 50 139 61 0 +15.3 ± 28.76 ↓
431422 ncm-dbt-04 569071 500 132 117 251 +10.43 ± 14.7 2 45 139 64 0 +23.66 ± 28.75 ↓
431421 ncm-dbt-03 581028 500 143 124 233 +13.21 ± 14.28 1 43 142 64 0 +27.85 ± 28.34 ↓
431420 ncm-dbt-05 576373 500 150 104 246 +32.05 ± 14.77 0 38 129 82 1 +63.23 ± 29.99 ↓
431419 ncm-dbt-01 582694 500 135 118 247 +11.82 ± 14.04 0 44 146 59 1 +22.27 ± 27.81 ↓
431418 ncm-dbt-02 588302 500 146 112 242 +23.66 ± 14.05 0 38 140 72 0 +47.55 ± 28.56 ↓
431417 ncm-dbt-04 568196 500 131 112 257 +13.21 ± 14.92 0 50 132 67 1 +25.06 ± 29.65 ↓
431416 ncm-dbt-03 582527 500 147 110 243 +25.76 ± 15.23 2 39 130 78 1 +53.22 ± 29.88 ↓
431415 ncm-dbt-05 582861 500 143 102 255 +28.55 ± 14.92 0 40 131 77 2 +54.65 ± 29.74 ↓
431414 ncm-dbt-02 586731 500 138 124 238 +9.73 ± 13.86 0 45 146 59 0 +19.48 ± 27.82 ↓
431413 ncm-dbt-04 568474 500 141 108 251 +22.97 ± 14.4 1 38 138 73 0 +47.55 ± 28.83 ↓
431412 ncm-dbt-01 579413 500 146 114 240 +22.26 ± 15.23 0 45 131 71 3 +40.48 ± 29.77 ↓
431411 ncm-dbt-03 581777 500 132 95 273 +25.76 ± 14.08 0 37 139 74 0 +51.8 ± 28.68 ↓
431410 ncm-dbt-02 585632 500 139 106 255 +22.96 ± 14.53 1 38 139 71 1 +46.13 ± 28.7 ↓
431409 ncm-dbt-05 577069 500 150 110 240 +27.85 ± 14.36 1 34 140 74 1 +56.07 ± 28.52 ↓
431408 ncm-dbt-04 569869 500 151 122 227 +20.18 ± 14.7 1 42 134 73 0 +41.89 ± 29.37 ↓
431407 ncm-dbt-01 580282 500 143 116 241 +18.78 ± 14.34 0 42 140 67 1 +36.26 ± 28.59 ↓
431406 ncm-dbt-03 585295 500 109 111 280 -1.39 ± 14.8 0 60 132 58 0 -2.78 ± 29.66 ↓
431405 ncm-dbt-02 585843 500 150 110 240 +27.85 ± 15.12 1 40 128 80 1 +56.07 ± 30.14 ↓
431404 ncm-dbt-05 576987 500 141 107 252 +23.66 ± 13.78 0 36 144 70 0 +47.55 ± 28.01 ↓
431403 ncm-dbt-04 567799 500 143 105 252 +26.46 ± 14.52 0 40 132 78 0 +53.22 ± 29.61 ↓
431402 ncm-dbt-01 585000 500 149 120 231 +20.17 ± 14.45 0 42 138 69 1 +39.08 ± 28.85 ↓
431401 ncm-dbt-03 587877 500 147 107 246 +27.85 ± 14.49 2 32 141 74 1 +57.5 ± 28.38 ↓
431400 ncm-dbt-02 585421 500 140 103 257 +25.76 ± 13.53 1 30 150 69 0 +53.22 ± 27.12 ↓
431399 ncm-dbt-04 568991 500 151 108 241 +29.95 ± 14.76 0 35 142 68 5 +53.22 ± 28.26 ↓
431398 ncm-dbt-05 576006 500 135 94 271 +28.55 ± 14.67 0 40 129 81 0 +57.5 ± 30.0 ↓
431397 ncm-dbt-01 584664 500 149 113 238 +25.06 ± 14.29 0 39 136 75 0 +50.38 ± 29.09 ↓
431396 ncm-dbt-03 581985 500 139 122 239 +11.82 ± 15.31 0 54 126 69 1 +22.27 ± 30.41 ↓
431395 ncm-dbt-04 568951 500 144 103 253 +28.55 ± 14.54 0 39 131 80 0 +57.5 ± 29.74 ↓
431394 ncm-dbt-02 588089 500 155 119 226 +25.06 ± 13.75 1 32 147 70 0 +51.8 ± 27.56 ↓
431393 ncm-dbt-01 584748 500 141 129 230 +8.34 ± 13.87 0 46 146 58 0 +16.69 ± 27.82 ↓
431392 ncm-dbt-05 576782 500 140 103 257 +25.76 ± 14.47 0 39 136 74 1 +50.38 ± 29.09 ↓
431391 ncm-dbt-03 581652 500 136 103 261 +22.96 ± 14.13 0 39 139 72 0 +46.13 ± 28.7 ↓
431390 ncm-dbt-02 585126 500 139 108 253 +21.57 ± 14.42 0 41 138 70 1 +41.89 ± 28.84 ↓
431389 ncm-dbt-01 582277 500 150 110 240 +27.85 ± 14.23 0 37 136 77 0 +56.07 ± 29.07 ↓
431388 ncm-dbt-04 568077 500 131 116 253 +10.43 ± 15.44 0 57 121 72 0 +20.87 ± 31.02 ↓
431387 ncm-dbt-05 578300 500 139 116 245 +15.99 ± 14.25 0 44 139 67 0 +32.05 ± 28.73 ↓

Commit

Commit ID 1370127fcd72b5c6646ff03a4a779b81ad0bcf3d
Author peregrineshahin
Date 2022-11-23 20:36:22 UTC
Simplify both quiet check evasions' conditions passed Non-regression STC: https://tests.stockfishchess.org/tests/view/6370b647f1b748d4819e0b64 LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 162904 W: 43249 L: 43171 D: 76484 Ptnml(0-2): 491, 17089, 46220, 17155, 497 closes https://github.com/official-stockfish/Stockfish/pull/4228 No functional change
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