Dev Builds » 20211006-0957

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 06:54:04 583445 4006 746 1309 1951 -49.15 ± 5.27 11 787 961 242 2 -98.66 ± 10.98
ncm-dbt-02 06:53:35 585648 4000 725 1314 1961 -51.53 ± 5.08 7 782 1008 199 4 -104.87 ± 10.67
ncm-dbt-03 06:54:22 583743 4000 724 1302 1974 -50.56 ± 5.24 11 792 962 234 1 -101.46 ± 10.97
ncm-dbt-04 06:53:24 568955 4000 687 1318 1995 -55.27 ± 5.01 7 805 1000 188 0 -112.14 ± 10.71
ncm-dbt-05 06:55:39 581413 3994 685 1311 1998 -54.91 ± 5.16 11 811 970 203 2 -110.97 ± 10.91
20000 3567 6554 9879 -52.28 ± 2.3 47 3977 4901 1066 9 -105.59 ± 4.85

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
436178 ncm-dbt-01 583112 6 1 2 3 -58.39 ± 217.67 0 2 0 1 0 -120.37 ± 762.49
436177 ncm-dbt-05 584243 494 81 167 246 -61.11 ± 14.92 1 109 113 23 1 -126.25 ± 32.13
436176 ncm-dbt-03 584201 500 88 144 268 -39.08 ± 15.21 2 89 122 37 0 -76.25 ± 30.91
436175 ncm-dbt-02 585928 500 94 169 237 -52.51 ± 14.39 1 99 124 26 0 -106.01 ± 30.56
436174 ncm-dbt-04 570709 500 84 179 237 -66.82 ± 13.77 1 110 122 17 0 -137.37 ± 30.65
436173 ncm-dbt-01 584748 500 94 166 240 -50.38 ± 14.94 0 104 114 32 0 -102.97 ± 32.0
436172 ncm-dbt-05 579124 500 96 167 237 -49.67 ± 14.1 1 94 130 25 0 -99.95 ± 29.7
436171 ncm-dbt-03 584832 500 83 179 238 -67.54 ± 14.23 2 111 118 19 0 -137.37 ± 31.31
436170 ncm-dbt-02 585970 500 90 164 246 -51.8 ± 13.22 0 93 138 19 0 -106.01 ± 28.42
436169 ncm-dbt-01 580945 500 85 163 252 -54.65 ± 14.36 1 100 126 22 1 -112.14 ± 30.22
436168 ncm-dbt-04 568156 500 72 161 267 -62.51 ± 14.17 2 105 123 20 0 -126.18 ± 30.59
436167 ncm-dbt-05 580987 500 89 158 253 -48.26 ± 14.3 0 96 128 25 1 -99.95 ± 30.0
436166 ncm-dbt-02 585632 500 98 173 229 -52.51 ± 14.39 0 102 121 27 0 -107.54 ± 30.99
436165 ncm-dbt-03 580572 500 87 164 249 -53.93 ± 14.32 0 103 121 26 0 -110.6 ± 30.98
436164 ncm-dbt-01 584832 500 92 173 235 -56.78 ± 14.73 1 106 116 27 0 -115.23 ± 31.71
436163 ncm-dbt-04 569190 500 88 164 248 -53.22 ± 14.01 0 100 126 24 0 -109.07 ± 30.24
436162 ncm-dbt-05 582027 500 83 167 250 -58.93 ± 14.56 1 107 117 25 0 -119.89 ± 31.55
436161 ncm-dbt-02 585970 500 87 171 242 -58.93 ± 13.87 2 99 130 19 0 -118.33 ± 29.54
436160 ncm-dbt-03 586985 500 89 159 252 -48.96 ± 15.13 2 97 121 29 1 -98.44 ± 31.02
436159 ncm-dbt-04 568077 500 90 171 239 -56.78 ± 13.91 0 103 125 22 0 -116.78 ± 30.34
436158 ncm-dbt-01 581902 500 90 171 239 -56.78 ± 14.86 2 104 117 27 0 -113.68 ± 31.56
436157 ncm-dbt-05 582110 500 95 158 247 -44.01 ± 14.33 2 87 133 28 0 -86.52 ± 29.35
436156 ncm-dbt-02 585295 500 98 155 247 -39.78 ± 15.0 0 93 122 34 1 -82.1 ± 30.9
436155 ncm-dbt-03 581277 500 97 154 249 -39.78 ± 14.74 0 92 123 35 0 -80.63 ± 30.77
436154 ncm-dbt-01 583992 500 89 160 251 -49.67 ± 15.29 2 100 115 33 0 -98.44 ± 31.86
436153 ncm-dbt-04 571431 500 88 163 249 -52.51 ± 14.92 0 106 113 31 0 -107.54 ± 32.15
436152 ncm-dbt-02 585169 500 93 172 235 -55.36 ± 14.26 2 97 130 20 1 -112.14 ± 29.61
436151 ncm-dbt-05 580033 500 81 157 262 -53.22 ± 14.82 1 103 117 29 0 -107.54 ± 31.57
436150 ncm-dbt-03 581444 500 91 164 245 -51.09 ± 14.45 0 101 121 28 0 -104.49 ± 31.0
436149 ncm-dbt-01 582694 500 90 158 252 -47.55 ± 15.05 1 98 120 30 1 -96.94 ± 31.16
436148 ncm-dbt-04 567918 500 74 151 275 -53.93 ± 14.05 1 98 128 23 0 -109.07 ± 29.94
436147 ncm-dbt-03 586350 500 105 166 229 -42.6 ± 15.29 2 93 119 36 0 -83.57 ± 31.31
436146 ncm-dbt-05 579042 500 75 171 254 -67.54 ± 14.09 4 104 126 16 0 -134.15 ± 30.02
436145 ncm-dbt-02 585084 500 85 160 255 -52.51 ± 15.68 2 104 113 29 2 -107.54 ± 32.15
436144 ncm-dbt-01 583405 500 103 151 246 -33.46 ± 14.86 1 84 127 38 0 -66.1 ± 30.25
436143 ncm-dbt-04 569789 500 89 167 244 -54.64 ± 13.52 2 92 138 18 0 -109.07 ± 28.38
436142 ncm-dbt-03 584285 500 84 172 244 -61.79 ± 14.82 3 106 117 24 0 -123.02 ± 31.54
436141 ncm-dbt-01 585379 500 102 165 233 -44.01 ± 14.99 3 89 126 32 0 -85.04 ± 30.35
436140 ncm-dbt-02 586139 500 80 150 270 -48.96 ± 13.93 0 95 130 25 0 -99.95 ± 29.7
436139 ncm-dbt-04 566375 500 102 162 236 -41.89 ± 14.74 1 91 125 33 0 -83.57 ± 30.49
436138 ncm-dbt-05 583740 500 85 166 249 -56.78 ± 15.38 1 111 106 32 0 -115.23 ± 33.15

Commit

Commit ID 329bdbd9cfa270dd7141e5184180fbde1b5898b4
Author Joost VandeVondele
Date 2021-10-06 09:57:34 UTC
Improve the Chess960 correction for cornered bishops As Chess960 patches can not be tested on fishtest, this was locally tuned and tested: Elo: 2.36 +- 1.07 LOS: 0.999992 closes https://github.com/official-stockfish/Stockfish/pull/3730 Bench: 5714575
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