Dev Builds » 20211019-2009

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 06:53:13 584429 4000 662 1333 2005 -58.84 ± 5.13 9 847 952 190 2 -119.89 ± 11.01
ncm-dbt-02 06:53:57 586930 4000 708 1316 1976 -53.22 ± 5.27 10 817 951 215 7 -108.49 ± 11.03
ncm-dbt-03 06:53:52 587179 4000 717 1343 1940 -54.82 ± 5.16 7 827 951 215 0 -111.18 ± 11.03
ncm-dbt-04 06:53:05 570821 4000 695 1276 2029 -50.82 ± 5.05 8 773 1011 208 0 -102.41 ± 10.66
ncm-dbt-05 06:53:32 584100 4000 695 1317 1988 -54.47 ± 5.16 7 823 956 213 1 -110.6 ± 11.0
20000 3477 6585 9938 -54.43 ± 2.31 41 4087 4821 1041 10 -110.49 ± 4.89

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
405912 ncm-dbt-04 571391 500 90 167 243 -53.93 ± 13.91 0 100 127 23 0 -110.6 ± 30.08
405911 ncm-dbt-05 584622 500 91 168 241 -53.93 ± 14.59 0 105 117 28 0 -110.6 ± 31.57
405910 ncm-dbt-03 587452 500 88 175 237 -61.07 ± 14.1 0 109 119 22 0 -126.18 ± 31.22
405909 ncm-dbt-02 582360 500 93 166 241 -51.09 ± 12.74 1 85 151 12 1 -104.49 ± 26.31
405908 ncm-dbt-01 585126 500 85 168 247 -58.21 ± 15.06 1 110 110 29 0 -118.33 ± 32.59
405907 ncm-dbt-04 570188 500 92 146 262 -37.67 ± 14.22 1 83 135 31 0 -74.79 ± 29.13
405906 ncm-dbt-05 581527 500 79 148 273 -48.25 ± 14.96 0 102 115 33 0 -98.44 ± 31.86
405905 ncm-dbt-02 586816 500 94 177 229 -58.21 ± 14.66 0 109 116 24 1 -121.46 ± 31.7
405904 ncm-dbt-03 584201 500 79 164 257 -59.64 ± 14.73 2 106 117 25 0 -119.89 ± 31.55
405903 ncm-dbt-01 586181 500 79 168 253 -62.51 ± 14.03 1 107 122 20 0 -127.76 ± 30.73
405902 ncm-dbt-04 572517 500 86 151 263 -45.42 ± 15.07 3 91 124 32 0 -88.0 ± 30.62
405901 ncm-dbt-03 588558 500 94 171 235 -53.93 ± 13.91 0 100 127 23 0 -110.6 ± 30.08
405900 ncm-dbt-05 583196 500 76 165 259 -62.51 ± 13.74 2 102 129 17 0 -126.18 ± 29.62
405899 ncm-dbt-02 589326 500 95 173 232 -54.64 ± 15.53 1 110 105 34 0 -110.6 ± 33.27
405898 ncm-dbt-01 585801 500 86 160 254 -51.8 ± 13.8 1 94 133 22 0 -104.49 ± 29.21
405897 ncm-dbt-04 568355 500 88 168 244 -56.07 ± 15.35 1 110 107 32 0 -113.68 ± 33.0
405896 ncm-dbt-02 588515 500 84 151 265 -46.84 ± 14.88 0 99 120 30 1 -96.94 ± 31.16
405895 ncm-dbt-03 587707 500 99 160 241 -42.6 ± 15.29 1 96 116 37 0 -85.04 ± 31.71
405894 ncm-dbt-05 588472 500 92 178 230 -60.36 ± 14.89 3 105 117 25 0 -119.89 ± 31.55
405893 ncm-dbt-01 584327 500 82 163 255 -56.78 ± 14.73 1 106 116 27 0 -115.23 ± 31.71
405892 ncm-dbt-04 570268 500 77 158 265 -56.78 ± 14.86 1 107 114 28 0 -115.23 ± 32.0
405891 ncm-dbt-05 581943 500 99 167 234 -47.54 ± 14.4 1 94 127 28 0 -95.44 ± 30.17
405890 ncm-dbt-03 586223 500 84 175 241 -63.94 ± 15.43 3 113 106 28 0 -127.76 ± 33.19
405889 ncm-dbt-02 584916 500 81 157 262 -53.22 ± 15.34 2 103 115 29 1 -107.54 ± 31.86
405888 ncm-dbt-01 583614 500 83 164 253 -56.78 ± 14.32 1 103 122 24 0 -115.23 ± 30.81
405887 ncm-dbt-04 571953 500 91 157 252 -46.13 ± 13.34 1 85 143 21 0 -92.46 ± 27.8
405886 ncm-dbt-03 587622 500 87 163 250 -53.22 ± 14.29 0 102 122 26 0 -109.07 ± 30.84
405885 ncm-dbt-02 587028 500 84 168 248 -58.93 ± 15.73 1 115 102 31 1 -121.46 ± 33.75
405884 ncm-dbt-05 582569 500 90 157 253 -46.84 ± 15.14 0 101 116 32 1 -96.94 ± 31.72
405883 ncm-dbt-01 582945 500 75 175 250 -70.43 ± 14.75 3 115 111 21 0 -142.26 ± 32.42
405882 ncm-dbt-04 571672 500 79 160 261 -56.78 ± 13.18 0 98 135 17 0 -116.78 ± 28.76
405881 ncm-dbt-03 587028 500 77 170 253 -65.38 ± 14.83 1 116 108 25 0 -134.15 ± 32.9
405880 ncm-dbt-05 586689 500 90 174 236 -58.93 ± 15.22 1 112 107 30 0 -119.89 ± 33.02
405879 ncm-dbt-02 586943 500 88 162 250 -51.8 ± 15.01 2 99 121 27 1 -104.49 ± 31.0
405878 ncm-dbt-01 584034 500 92 160 248 -47.55 ± 15.18 1 99 118 31 1 -96.94 ± 31.44
405877 ncm-dbt-04 570228 500 92 169 239 -53.93 ± 14.19 1 99 126 24 0 -109.07 ± 30.24
405876 ncm-dbt-03 588643 500 109 165 226 -39.08 ± 13.9 0 85 136 29 0 -79.17 ± 28.96
405875 ncm-dbt-05 583782 500 78 160 262 -57.5 ± 13.66 0 102 128 20 0 -118.33 ± 29.86
405874 ncm-dbt-01 583405 500 80 175 245 -66.83 ± 13.92 0 113 120 16 1 -140.62 ± 30.95
405873 ncm-dbt-02 589539 500 89 162 249 -51.09 ± 15.23 3 97 121 28 1 -101.46 ± 31.01

Commit

Commit ID b37054c310876850f6ff65b19f6cdb5f941c57dc
Author bmc4
Date 2021-10-19 20:09:47 UTC
Simplify evaluate condition on search Remove condition for MOVE_NULL on search. STC: LLR: 2.94 (-2.94,2.94) <-2.50,0.50> Total: 47544 W: 11968 L: 11864 D: 23712 Ptnml(0-2): 150, 5535, 12318, 5599, 170 https://tests.stockfishchess.org/tests/view/616e37143799eb91f1f071ee LTC: LLR: 2.93 (-2.94,2.94) <-2.50,0.50> Total: 67472 W: 16938 L: 16870 D: 33664 Ptnml(0-2): 49, 7119, 19331, 7189, 48 https://tests.stockfishchess.org/tests/view/616e3fab3799eb91f1f071f1 closes https://github.com/official-stockfish/Stockfish/pull/3746 bench: 5255771
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