Dev Builds » 20210822-0709

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 06:54:13 584395 4010 670 1382 1958 -62.35 ± 5.09 14 858 962 168 3 -126.82 ± 10.93
ncm-dbt-02 06:52:55 585509 4000 634 1351 2015 -62.96 ± 5.07 11 868 949 171 1 -128.36 ± 11.02
ncm-dbt-03 06:53:59 587389 3996 648 1385 1963 -64.82 ± 5.05 14 872 949 163 0 -131.69 ± 11.01
ncm-dbt-04 06:53:59 571549 4000 638 1365 1997 -63.86 ± 5.04 16 858 963 163 0 -129.15 ± 10.92
ncm-dbt-05 06:55:19 583480 3994 641 1379 1974 -64.94 ± 5.19 16 888 913 178 2 -131.96 ± 11.26
20000 3231 6862 9907 -63.78 ± 2.28 71 4344 4736 843 6 -129.59 ± 4.93

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
406216 ncm-dbt-01 586012 10 3 3 4 -0.0 ± 99.06 0 1 3 1 0 -0.0 ± 217.03
406215 ncm-dbt-05 581111 494 76 174 244 -69.85 ± 14.86 4 110 113 20 0 -139.23 ± 32.08
406214 ncm-dbt-03 586181 496 89 187 220 -69.56 ± 14.24 2 112 116 18 0 -141.89 ± 31.58
406213 ncm-dbt-01 582903 500 86 171 243 -59.64 ± 13.47 1 100 132 17 0 -121.46 ± 29.18
406212 ncm-dbt-04 570709 500 68 172 260 -73.33 ± 14.85 2 122 104 22 0 -150.51 ± 33.54
406211 ncm-dbt-02 585590 500 67 173 260 -74.79 ± 14.49 1 124 105 20 0 -155.54 ± 33.38
406210 ncm-dbt-03 586816 500 81 169 250 -61.79 ± 14.82 4 103 120 23 0 -121.46 ± 31.09
406209 ncm-dbt-05 583237 500 87 181 232 -66.1 ± 15.65 2 119 101 27 1 -135.76 ± 33.97
406208 ncm-dbt-01 584327 500 89 167 244 -54.64 ± 14.49 2 99 124 25 0 -109.07 ± 30.54
406207 ncm-dbt-02 588899 500 87 171 242 -58.93 ± 14.01 2 100 128 20 0 -118.33 ± 29.86
406206 ncm-dbt-04 571592 500 74 174 252 -70.43 ± 14.05 3 110 121 16 0 -142.26 ± 30.77
406205 ncm-dbt-03 587537 500 88 163 249 -52.51 ± 13.84 2 92 135 21 0 -104.49 ± 28.91
406204 ncm-dbt-05 583237 500 76 167 257 -63.94 ± 14.37 3 105 122 20 0 -127.76 ± 30.73
406203 ncm-dbt-02 587197 500 81 178 241 -68.27 ± 13.53 1 110 124 15 0 -140.62 ± 30.27
406202 ncm-dbt-01 584076 500 80 186 234 -74.79 ± 15.17 4 119 107 19 1 -152.18 ± 33.05
406201 ncm-dbt-04 571752 500 90 157 253 -46.84 ± 14.22 1 92 130 27 0 -93.95 ± 29.74
406200 ncm-dbt-03 586562 500 67 166 267 -69.71 ± 14.45 2 115 113 20 0 -142.26 ± 32.1
406199 ncm-dbt-05 582611 500 73 173 254 -70.43 ± 14.62 2 117 110 21 0 -143.89 ± 32.58
406198 ncm-dbt-02 583698 500 80 169 251 -62.51 ± 14.98 3 108 114 25 0 -124.6 ± 31.99
406197 ncm-dbt-01 582277 500 76 181 243 -74.06 ± 14.18 1 121 110 18 0 -153.86 ± 32.54
406196 ncm-dbt-04 571511 500 79 178 243 -69.71 ± 14.31 1 117 112 20 0 -143.89 ± 32.25
406195 ncm-dbt-03 588728 500 82 174 244 -64.66 ± 14.12 0 113 116 21 0 -134.15 ± 31.65
406194 ncm-dbt-05 580779 500 86 165 249 -55.36 ± 14.53 2 100 123 25 0 -110.6 ± 30.69
406193 ncm-dbt-02 584748 500 84 172 244 -61.79 ± 14.95 2 110 112 26 0 -124.6 ± 32.29
406192 ncm-dbt-01 584832 500 80 156 264 -53.22 ± 13.59 0 97 132 21 0 -109.07 ± 29.32
406191 ncm-dbt-04 573002 500 81 174 245 -65.38 ± 13.86 1 109 122 18 0 -134.15 ± 30.68
406190 ncm-dbt-03 587409 500 80 174 246 -66.1 ± 13.45 1 107 127 15 0 -135.76 ± 29.83
406189 ncm-dbt-02 585421 500 76 161 263 -59.64 ± 14.73 1 108 117 23 1 -123.02 ± 31.54
406188 ncm-dbt-04 569909 500 86 178 236 -64.66 ± 14.26 3 105 123 19 0 -129.35 ± 30.56
406187 ncm-dbt-05 583405 500 84 174 242 -63.23 ± 14.34 1 110 117 22 0 -129.35 ± 31.52
406186 ncm-dbt-01 585169 500 93 164 243 -49.67 ± 13.69 0 94 133 23 0 -101.46 ± 29.24
406185 ncm-dbt-03 588260 500 83 172 245 -62.51 ± 15.11 2 112 109 27 0 -126.18 ± 32.74
406184 ncm-dbt-01 584706 500 90 177 233 -61.08 ± 14.92 1 111 113 24 1 -126.18 ± 32.14
406183 ncm-dbt-04 570268 500 84 162 254 -54.64 ± 14.89 5 93 127 25 0 -104.49 ± 30.12
406182 ncm-dbt-02 581111 500 80 171 249 -63.95 ± 13.51 0 108 125 17 0 -132.54 ± 30.2
406181 ncm-dbt-05 587877 500 81 166 253 -59.64 ± 14.73 1 109 114 26 0 -121.46 ± 32.0
406180 ncm-dbt-03 587622 500 78 180 242 -71.88 ± 14.1 1 118 113 18 0 -148.85 ± 32.06
406179 ncm-dbt-02 587409 500 79 156 265 -53.93 ± 14.32 1 100 124 25 0 -109.07 ± 30.54
406178 ncm-dbt-01 585253 500 73 177 250 -73.34 ± 15.39 5 116 108 20 1 -147.19 ± 32.89
406177 ncm-dbt-04 573649 500 76 170 254 -66.1 ± 13.45 0 110 124 16 0 -137.37 ± 30.31
406176 ncm-dbt-05 585590 500 78 179 243 -71.16 ± 14.36 1 118 113 17 1 -148.85 ± 32.06

Commit

Commit ID 590447d7a162058ed1f68270c84aac4e2f256bb1
Author SFisGOD
Date 2021-08-22 07:09:58 UTC
Update default net to nn-517c4f68b5df.nnue SPSA: https://tests.stockfishchess.org/tests/view/611cf0da4977aa1525c9ca03 Parameters: 256 net weights and 8 net biases (output layer) Base net: nn-ac5605a608d6.nnue New net: nn-517c4f68b5df.nnue STC: LLR: 2.93 (-2.94,2.94) <-0.50,2.50> Total: 11600 W: 998 L: 851 D: 9751 Ptnml(0-2): 30, 705, 4186, 846, 33 https://tests.stockfishchess.org/tests/view/611f84524977aa1525c9cb5b LTC: LLR: 2.95 (-2.94,2.94) <0.50,3.50> Total: 9360 W: 338 L: 243 D: 8779 Ptnml(0-2): 0, 220, 4151, 303, 6 https://tests.stockfishchess.org/tests/view/611f8c5b4977aa1525c9cb64 closes https://github.com/official-stockfish/Stockfish/pull/3667 Bench: 4844618
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