Dev Builds » 20220504-0547

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 06:55:52 585236 4002 1047 932 2023 +9.99 ± 5.02 3 366 1150 477 5 +19.64 ± 9.92
ncm-dbt-02 06:55:58 587478 4000 1061 982 1957 +6.86 ± 4.97 0 386 1151 461 2 +13.38 ± 9.92
ncm-dbt-03 06:53:59 587283 4000 1029 996 1975 +2.87 ± 5.11 2 425 1114 456 3 +5.56 ± 10.14
ncm-dbt-04 06:56:14 572157 3998 1023 994 1981 +2.52 ± 5.12 1 434 1100 463 1 +5.04 ± 10.22
ncm-dbt-05 06:54:12 585952 4000 1049 974 1977 +6.52 ± 5.11 1 403 1124 464 8 +11.82 ± 10.08
20000 5209 4878 9913 +5.75 ± 2.27 7 2014 5639 2321 19 +11.09 ± 4.5

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
379825 ncm-dbt-01 584285 2 1 0 1 +189.7 ± 55.98 0 0 0 1 0 +1129.65 ± 376.02
379824 ncm-dbt-02 587962 500 137 130 233 +4.86 ± 13.41 0 45 153 52 0 +9.73 ± 26.87
379823 ncm-dbt-04 571190 498 124 122 252 +1.4 ± 14.09 0 52 143 54 0 +2.79 ± 28.22
379822 ncm-dbt-03 586901 500 134 122 244 +8.34 ± 14.9 0 53 133 63 1 +15.3 ± 29.53
379821 ncm-dbt-05 583698 500 122 134 244 -8.34 ± 14.52 0 63 136 51 0 -16.69 ± 29.14
379820 ncm-dbt-01 584243 500 138 109 253 +20.17 ± 13.65 0 36 150 63 1 +39.08 ± 27.21
379819 ncm-dbt-04 572558 500 138 116 246 +15.3 ± 15.09 0 50 129 70 1 +29.25 ± 30.03
379818 ncm-dbt-02 587197 500 130 110 260 +13.9 ± 15.1 0 51 129 69 1 +26.46 ± 30.03
379817 ncm-dbt-03 588089 500 139 130 231 +6.26 ± 14.6 1 50 138 61 0 +13.9 ± 28.89
379816 ncm-dbt-05 585843 500 128 120 252 +5.56 ± 14.66 0 53 137 59 1 +9.73 ± 29.02
379815 ncm-dbt-01 586774 500 127 107 266 +13.9 ± 13.81 0 42 146 62 0 +27.85 ± 27.8
379814 ncm-dbt-04 571953 500 120 124 256 -2.78 ± 13.35 0 50 154 46 0 -5.56 ± 26.74
379813 ncm-dbt-01 586435 500 129 120 251 +6.25 ± 14.47 0 52 137 61 0 +12.51 ± 29.02
379812 ncm-dbt-02 587537 500 146 138 216 +5.56 ± 13.61 0 46 150 54 0 +11.12 ± 27.29
379811 ncm-dbt-05 587113 500 139 110 251 +20.17 ± 14.45 0 42 138 69 1 +39.08 ± 28.85
379810 ncm-dbt-03 586901 500 125 128 247 -2.08 ± 14.86 0 61 131 58 0 -4.17 ± 29.79
379809 ncm-dbt-02 584159 500 150 125 225 +17.39 ± 13.28 0 36 153 61 0 +34.86 ± 26.8
379808 ncm-dbt-04 573082 500 128 131 241 -2.08 ± 14.74 0 60 133 57 0 -4.17 ± 29.53
379807 ncm-dbt-03 587325 500 137 122 241 +10.42 ± 14.57 0 49 138 62 1 +19.48 ± 28.88
379806 ncm-dbt-01 583405 500 132 123 245 +6.25 ± 15.34 1 55 129 64 1 +12.51 ± 30.04
379805 ncm-dbt-05 583614 500 124 131 245 -4.87 ± 13.68 0 53 152 44 1 -11.12 ± 27.01
379804 ncm-dbt-02 586858 500 130 118 252 +8.34 ± 14.26 0 49 140 61 0 +16.69 ± 28.62
379803 ncm-dbt-03 588558 500 129 121 250 +5.56 ± 14.54 1 50 139 60 0 +12.51 ± 28.76
379802 ncm-dbt-01 581985 500 139 132 229 +4.86 ± 13.95 0 48 148 53 1 +8.34 ± 27.56
379801 ncm-dbt-04 571632 500 137 134 229 +2.08 ± 15.24 0 61 125 64 0 +4.17 ± 30.53
379800 ncm-dbt-05 588132 500 136 124 240 +8.34 ± 14.78 0 51 138 59 2 +13.9 ± 28.89
379799 ncm-dbt-02 587749 500 126 124 250 +1.39 ± 13.9 0 51 146 53 0 +2.78 ± 27.84
379798 ncm-dbt-04 571190 500 124 125 251 -0.69 ± 14.61 0 58 135 57 0 -1.39 ± 29.28
379797 ncm-dbt-01 584748 500 130 107 263 +15.99 ± 13.72 1 37 150 62 0 +33.46 ± 27.23
379796 ncm-dbt-05 586646 500 127 130 243 -2.09 ± 15.11 0 62 130 57 1 -5.56 ± 29.91
379795 ncm-dbt-03 587749 500 120 118 262 +1.39 ± 13.49 0 48 152 50 0 +2.78 ± 27.02
379794 ncm-dbt-05 585421 500 142 114 244 +19.48 ± 14.13 1 37 146 65 1 +39.08 ± 27.76
379793 ncm-dbt-04 570709 500 131 112 257 +13.21 ± 14.41 0 47 137 66 0 +26.46 ± 29.0
379792 ncm-dbt-03 586308 500 128 124 248 +2.78 ± 14.16 0 51 145 53 1 +4.17 ± 27.97
379791 ncm-dbt-02 587537 500 130 112 258 +12.51 ± 14.49 0 47 139 63 1 +23.66 ± 28.75
379790 ncm-dbt-01 586308 500 125 118 257 +4.86 ± 13.95 0 49 145 56 0 +9.73 ± 27.97
379789 ncm-dbt-03 586435 500 117 131 252 -9.73 ± 14.38 0 63 138 49 0 -19.48 ± 28.88
379788 ncm-dbt-05 587155 500 131 111 258 +13.9 ± 13.95 0 42 147 60 1 +26.46 ± 27.67
379787 ncm-dbt-04 574947 500 121 130 249 -6.25 ± 14.21 1 56 144 49 0 -11.12 ± 28.1
379786 ncm-dbt-02 590825 500 112 125 263 -9.04 ± 14.19 0 61 141 48 0 -18.08 ± 28.49
379785 ncm-dbt-01 588941 500 126 116 258 +6.95 ± 14.53 1 47 145 55 2 +12.51 ± 27.96

Commit

Commit ID 9eb7b607cf69f6b613c89ae767b7f934f26e59e1
Author Stéphane Nicolet
Date 2022-05-04 05:47:56 UTC
Reduce depth after score improvement at PV nodes STC: LLR: 2.95 (-2.94,2.94) <0.00,2.50> Total: 73760 W: 19590 L: 19244 D: 34926 Ptnml(0-2): 285, 8352, 19292, 8634, 317 https://tests.stockfishchess.org/tests/view/626eb2dc9116b52aa83b73da LTC: LLR: 2.93 (-2.94,2.94) <0.50,3.00> Total: 114400 W: 30561 L: 30111 D: 53728 Ptnml(0-2): 68, 11432, 33785, 11812, 103 https://tests.stockfishchess.org/tests/view/626f730859e9c431e0b10b21 closes https://github.com/official-stockfish/Stockfish/pull/4008 bench: 6174823
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