Dev Builds » 20210628-1913

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 06:55:08 582600 4018 487 1582 1949 -97.14 ± 5.06 30 1135 747 94 3 -205.82 ± 12.46
ncm-dbt-02 06:55:19 586849 4000 471 1552 1977 -96.29 ± 5.04 38 1095 777 90 0 -200.96 ± 12.2
ncm-dbt-03 06:55:53 586108 3998 492 1559 1947 -95.03 ± 5.03 30 1105 766 98 0 -199.65 ± 12.3
ncm-dbt-04 06:53:56 566715 4000 451 1563 1986 -99.2 ± 5.03 31 1142 736 90 1 -210.4 ± 12.55
ncm-dbt-05 06:56:04 584319 3984 494 1523 1967 -91.82 ± 5.05 33 1062 798 99 0 -190.85 ± 12.03
20000 2395 7779 9826 -95.89 ± 2.26 162 5539 3824 471 4 -201.48 ± 5.5

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
453263 ncm-dbt-01 582110 18 5 6 7 -19.34 ± 102.52 0 3 5 0 1 -78.52 ± 162.75
453262 ncm-dbt-05 580945 484 58 183 243 -91.81 ± 15.12 5 130 92 15 0 -188.94 ± 35.71
453261 ncm-dbt-03 584159 498 63 193 242 -92.84 ± 13.63 3 133 104 9 0 -195.53 ± 33.29
453260 ncm-dbt-02 587877 500 50 192 258 -101.46 ± 14.17 3 148 87 12 0 -217.85 ± 36.77
453259 ncm-dbt-04 565469 500 57 202 241 -103.73 ± 14.03 4 147 89 10 0 -221.9 ± 36.31
453258 ncm-dbt-01 583866 500 53 197 250 -102.97 ± 14.02 4 146 90 10 0 -219.87 ± 36.1
453257 ncm-dbt-05 583531 500 55 191 254 -96.94 ± 13.65 2 142 96 10 0 -207.95 ± 34.86
453256 ncm-dbt-03 587070 500 55 189 256 -95.44 ± 13.79 3 138 99 10 0 -202.15 ± 34.28
453255 ncm-dbt-02 586562 500 57 193 250 -96.94 ± 14.42 5 138 95 12 0 -202.15 ± 35.11
453254 ncm-dbt-04 568474 500 53 194 253 -100.7 ± 13.2 3 141 100 6 0 -215.85 ± 33.86
453253 ncm-dbt-01 581319 500 48 197 255 -106.77 ± 14.52 3 157 76 14 0 -232.26 ± 39.28
453252 ncm-dbt-05 579702 500 67 200 233 -94.69 ± 14.24 3 140 94 13 0 -200.24 ± 35.32
453251 ncm-dbt-03 586054 500 57 192 251 -96.19 ± 15.29 3 149 78 20 0 -204.07 ± 38.49
453250 ncm-dbt-02 586435 500 64 196 240 -93.95 ± 14.38 5 134 99 12 0 -194.57 ± 34.34
453249 ncm-dbt-04 569749 500 67 195 238 -90.96 ± 14.76 3 139 91 17 0 -190.85 ± 35.9
453248 ncm-dbt-01 580987 500 58 191 251 -94.7 ± 14.98 4 141 90 14 1 -200.24 ± 36.12
453247 ncm-dbt-05 580282 500 61 196 243 -96.19 ± 13.95 5 134 102 9 0 -200.24 ± 33.67
453246 ncm-dbt-03 585970 500 63 198 239 -96.19 ± 14.11 4 138 97 11 0 -202.15 ± 34.7
453245 ncm-dbt-02 584874 500 55 186 259 -93.2 ± 14.36 7 127 106 10 0 -189.0 ± 32.98
453244 ncm-dbt-04 565626 500 52 189 259 -97.69 ± 15.31 6 141 88 14 1 -204.07 ± 36.53
453243 ncm-dbt-01 582110 500 75 215 210 -99.95 ± 14.46 6 139 94 11 0 -207.95 ± 35.29
453242 ncm-dbt-05 579413 500 66 187 247 -85.78 ± 15.49 6 129 95 20 0 -172.78 ± 35.1
453241 ncm-dbt-03 585801 500 60 200 240 -99.95 ± 14.0 3 145 91 11 0 -213.85 ± 35.9
453240 ncm-dbt-02 587537 500 57 192 251 -96.19 ± 13.48 1 143 96 10 0 -207.95 ± 34.86
453239 ncm-dbt-01 580323 500 53 196 251 -102.22 ± 13.86 3 147 90 10 0 -219.87 ± 36.1
453238 ncm-dbt-04 565941 500 50 193 257 -102.22 ± 13.54 2 148 91 9 0 -221.9 ± 35.86
453237 ncm-dbt-05 579289 500 67 196 237 -91.71 ± 14.63 4 136 95 15 0 -190.85 ± 35.14
453236 ncm-dbt-03 586477 500 67 187 246 -85.04 ± 13.9 2 129 106 13 0 -178.11 ± 33.1
453235 ncm-dbt-02 586097 500 70 190 240 -85.04 ± 13.6 2 127 110 11 0 -178.11 ± 32.33
453234 ncm-dbt-01 584748 500 59 197 244 -98.44 ± 14.44 4 142 93 10 1 -209.91 ± 35.49
453233 ncm-dbt-04 564409 500 48 195 257 -105.25 ± 15.4 7 149 78 16 0 -219.87 ± 38.7
453232 ncm-dbt-05 596722 500 61 182 257 -85.78 ± 14.07 5 122 112 11 0 -174.55 ± 32.0
453231 ncm-dbt-03 586646 500 65 201 234 -96.94 ± 14.87 7 135 95 13 0 -198.34 ± 35.12
453230 ncm-dbt-02 587325 500 64 196 240 -93.95 ± 14.67 6 133 98 13 0 -192.71 ± 34.55
453229 ncm-dbt-01 583112 500 67 192 241 -88.74 ± 13.83 2 133 103 12 0 -187.16 ± 33.6
453228 ncm-dbt-04 567205 500 62 194 244 -93.95 ± 13.92 3 137 99 11 0 -198.34 ± 34.31
453227 ncm-dbt-02 588089 500 54 207 239 -109.83 ± 14.84 9 145 86 10 0 -228.08 ± 36.98
453226 ncm-dbt-03 586689 500 62 199 239 -97.69 ± 14.28 5 138 96 11 0 -204.07 ± 34.89
453225 ncm-dbt-04 566849 500 62 201 237 -99.2 ± 13.35 3 140 100 7 0 -211.87 ± 33.93
453224 ncm-dbt-01 584832 500 69 191 240 -86.52 ± 14.23 4 127 106 13 0 -178.11 ± 33.1
453223 ncm-dbt-05 594671 500 59 188 253 -91.71 ± 13.09 3 129 112 6 0 -192.71 ± 31.67

Commit

Commit ID dc4983327df7bf30eafd049aa777d0636ee4c0ed
Author Joost VandeVondele
Date 2021-06-28 19:13:30 UTC
Update WDL model for NNUE This updates the WDL model based on the LTC statistics in June this year (10M games), so from pre-NNUE to NNUE based results. (for old results see, https://github.com/official-stockfish/Stockfish/pull/2778) As before the fit by the model to the data is quite good. closes https://github.com/official-stockfish/Stockfish/pull/3582 No functional change
Copyright 2011–2026 Next Chess Move LLC