Dev Builds » 20220515-1820

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 06:51:18 584373 4000 1089 943 1968 +12.69 ± 5.16 7 363 1114 509 7 +25.41 ± 10.13
ncm-dbt-02 06:51:14 586941 4000 1091 969 1940 +10.6 ± 5.13 3 380 1116 494 7 +20.52 ± 10.12
ncm-dbt-03 06:51:02 587327 4000 1096 965 1939 +11.38 ± 5.24 4 394 1075 521 6 +22.44 ± 10.35
ncm-dbt-04 06:50:33 570465 4000 1060 947 1993 +9.82 ± 5.12 5 382 1110 501 2 +20.17 ± 10.16
ncm-dbt-05 06:53:04 584413 4000 1067 959 1974 +9.38 ± 5.25 4 409 1064 521 2 +19.13 ± 10.42
20000 5403 4783 9814 +10.77 ± 2.32 23 1928 5479 2546 24 +21.53 ± 4.58

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
399257 ncm-dbt-05 587749 500 137 121 242 +11.12 ± 14.5 0 49 136 65 0 +22.27 ± 29.14
399256 ncm-dbt-04 570428 500 117 120 263 -2.08 ± 14.48 1 55 140 54 0 -2.78 ± 28.63
399255 ncm-dbt-01 585801 500 136 113 251 +15.99 ± 15.26 3 40 141 63 3 +32.05 ± 28.47
399254 ncm-dbt-02 587367 500 133 117 250 +11.12 ± 13.84 1 41 149 59 0 +23.66 ± 27.4
399253 ncm-dbt-03 586223 500 151 127 222 +16.69 ± 14.44 1 41 142 65 1 +33.46 ± 28.33
399252 ncm-dbt-01 585885 500 143 128 229 +10.43 ± 15.2 1 51 131 66 1 +20.87 ± 29.78
399251 ncm-dbt-05 584832 500 123 116 261 +4.87 ± 14.86 2 50 137 61 0 +12.51 ± 29.02
399250 ncm-dbt-04 571110 500 123 116 261 +4.86 ± 13.68 0 47 149 54 0 +9.73 ± 27.43
399249 ncm-dbt-02 584243 500 138 136 226 +1.39 ± 13.76 1 47 151 51 0 +4.17 ± 27.16
399248 ncm-dbt-03 586774 500 150 116 234 +23.66 ± 13.78 0 35 147 67 1 +46.13 ± 27.59
399247 ncm-dbt-05 579826 500 140 122 238 +12.51 ± 15.12 0 53 126 71 0 +25.06 ± 30.41
399246 ncm-dbt-04 570148 500 137 140 223 -2.08 ± 14.99 2 56 135 57 0 -1.39 ± 29.28
399245 ncm-dbt-01 584748 500 134 130 236 +2.78 ± 14.8 2 51 138 59 0 +8.34 ± 28.89
399244 ncm-dbt-02 587962 500 145 120 235 +17.38 ± 14.49 0 44 138 67 1 +33.46 ± 28.86
399243 ncm-dbt-03 588984 500 113 128 259 -10.43 ± 14.57 0 65 135 50 0 -20.87 ± 29.27
399242 ncm-dbt-05 584285 500 138 107 255 +21.57 ± 14.29 0 41 137 72 0 +43.3 ± 28.97
399241 ncm-dbt-01 582360 500 137 115 248 +15.3 ± 13.93 0 42 144 64 0 +30.65 ± 28.07
399240 ncm-dbt-02 585169 500 152 130 218 +15.3 ± 14.32 1 40 147 60 2 +29.25 ± 27.66
399239 ncm-dbt-04 567522 500 140 130 230 +6.95 ± 14.66 0 53 134 63 0 +13.9 ± 29.4
399238 ncm-dbt-03 588643 500 134 124 242 +6.95 ± 15.03 2 50 134 64 0 +16.69 ± 29.4
399237 ncm-dbt-04 570589 500 141 112 247 +20.17 ± 14.32 1 38 143 67 1 +40.48 ± 28.17
399236 ncm-dbt-05 580489 500 136 125 239 +7.65 ± 15.21 1 54 128 67 0 +16.69 ± 30.16
399235 ncm-dbt-02 587325 500 132 112 256 +13.9 ± 14.47 0 46 139 64 1 +26.46 ± 28.74
399234 ncm-dbt-01 585590 500 137 93 270 +30.65 ± 13.47 0 29 149 71 1 +60.36 ± 27.22
399233 ncm-dbt-03 587028 500 139 118 243 +14.6 ± 14.91 0 50 129 71 0 +29.25 ± 30.03
399232 ncm-dbt-04 568196 500 131 112 257 +13.21 ± 15.05 1 48 133 67 1 +26.46 ± 29.52
399231 ncm-dbt-02 587707 500 140 117 243 +15.99 ± 14.25 0 43 142 64 1 +30.65 ± 28.34
399230 ncm-dbt-01 582736 500 141 121 238 +13.9 ± 14.85 0 50 130 70 0 +27.85 ± 29.9
399229 ncm-dbt-05 585337 500 140 121 239 +13.21 ± 15.05 0 51 130 68 1 +25.06 ± 29.91
399228 ncm-dbt-03 584874 500 137 110 253 +18.78 ± 15.35 1 47 127 74 1 +37.67 ± 30.28
398148 ncm-dbt-04 571391 500 130 112 258 +12.51 ± 14.74 0 50 132 68 0 +25.06 ± 29.65
398147 ncm-dbt-02 587113 500 122 119 259 +2.08 ± 15.36 0 62 123 65 0 +4.17 ± 30.78
398146 ncm-dbt-05 585084 500 131 123 246 +5.56 ± 14.41 1 49 141 59 0 +12.51 ± 28.5
398145 ncm-dbt-03 587367 500 140 122 238 +12.51 ± 16.07 0 60 113 76 1 +23.66 ± 31.99
398144 ncm-dbt-01 581985 500 128 121 251 +4.87 ± 14.48 1 50 140 59 0 +11.12 ± 28.63
398143 ncm-dbt-04 574337 500 141 105 254 +25.06 ± 13.75 0 35 144 71 0 +50.38 ± 27.99
398142 ncm-dbt-02 588643 500 129 118 253 +7.64 ± 15.46 0 57 127 64 2 +12.51 ± 30.29
398141 ncm-dbt-01 585885 500 133 122 245 +7.64 ± 14.59 0 50 141 57 2 +12.51 ± 28.5
398140 ncm-dbt-03 588728 500 132 120 248 +8.34 ± 14.13 0 46 148 54 2 +13.9 ± 27.56
398139 ncm-dbt-05 587707 500 122 124 254 -1.39 ± 15.17 0 62 129 58 1 -4.17 ± 30.04

Commit

Commit ID 22b7909809c731aea691184dd7c1a2b02c5946af
Author xoto10
Date 2022-05-15 18:20:37 UTC
Tune scale and optimism. Tune scale and optimism in effort to make stockfish play more aggressively. STC @ 10+0.1 th 1: LLR: 2.94 (-2.94,2.94) <0.00,2.50> Total: 27896 W: 7506 L: 7248 D: 13142 Ptnml(0-2): 103, 3047, 7388, 3309, 101 https://tests.stockfishchess.org/tests/live_elo/627fd0cfab44257388ab1f13 LTC @ 60+0.6 th 1: LLR: 2.93 (-2.94,2.94) <0.50,3.00> Total: 65576 W: 17512 L: 17178 D: 30886 Ptnml(0-2): 37, 6397, 19587, 6729, 38 https://tests.stockfishchess.org/tests/live_elo/627ff666ab44257388ab256d closes https://github.com/official-stockfish/Stockfish/pull/4025 Bench 6407734
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