Dev Builds » 20211108-1214

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 06:53:39 584265 3992 724 1284 1984 -49.06 ± 5.11 9 762 1006 218 1 -98.65 ± 10.69
ncm-dbt-02 06:52:51 586047 4000 732 1262 2006 -46.31 ± 5.0 9 722 1061 206 2 -93.01 ± 10.36
ncm-dbt-03 06:54:32 588423 4008 700 1325 1983 -54.62 ± 5.22 13 818 956 215 2 -109.98 ± 11.0
ncm-dbt-04 06:53:27 570435 4000 680 1321 1999 -56.16 ± 5.19 12 826 955 205 2 -113.49 ± 11.0
ncm-dbt-05 06:53:22 584834 4000 727 1308 1965 -50.82 ± 5.23 10 795 963 230 2 -102.41 ± 10.96
20000 3563 6500 9937 -51.39 ± 2.3 53 3923 4941 1074 9 -103.47 ± 4.83

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
400254 ncm-dbt-03 590138 8 2 3 3 -43.64 ± 153.21 0 2 1 1 0 -88.74 ± 710.5
400253 ncm-dbt-01 583070 492 92 160 240 -48.33 ± 14.62 1 94 123 28 0 -97.08 ± 30.7
400252 ncm-dbt-04 568196 500 79 162 259 -58.21 ± 13.55 1 99 132 18 0 -118.33 ± 29.22
400251 ncm-dbt-02 585506 500 89 152 259 -44.01 ± 13.79 1 86 138 25 0 -88.0 ± 28.61
400250 ncm-dbt-05 586012 500 90 161 249 -49.67 ± 14.9 2 97 121 30 0 -98.44 ± 31.02
400249 ncm-dbt-03 588217 500 73 166 261 -65.38 ± 14.7 2 112 113 23 0 -132.54 ± 32.13
400248 ncm-dbt-01 583908 500 102 173 225 -49.67 ± 15.03 1 101 116 32 0 -99.95 ± 31.72
400247 ncm-dbt-04 571551 500 90 163 247 -51.09 ± 15.61 2 102 115 29 2 -104.49 ± 31.86
400246 ncm-dbt-02 586689 500 87 165 248 -54.65 ± 14.22 0 102 125 22 1 -113.68 ± 30.37
400245 ncm-dbt-05 582485 500 79 165 256 -60.36 ± 14.07 0 108 120 22 0 -124.6 ± 31.07
400244 ncm-dbt-03 589796 500 103 166 231 -44.01 ± 15.74 3 94 117 35 1 -86.52 ± 31.58
400243 ncm-dbt-01 584243 500 84 161 255 -53.93 ± 14.32 1 100 124 25 0 -109.07 ± 30.54
400242 ncm-dbt-04 569989 500 83 165 252 -57.5 ± 14.36 0 107 118 25 0 -118.33 ± 31.4
400241 ncm-dbt-05 584117 500 88 158 254 -48.96 ± 14.47 1 96 125 28 0 -98.44 ± 30.45
400240 ncm-dbt-02 587452 500 91 162 247 -49.67 ± 13.83 0 95 131 24 0 -101.46 ± 29.54
400239 ncm-dbt-03 587877 500 81 158 261 -53.93 ± 15.25 0 110 107 33 0 -110.6 ± 32.99
400238 ncm-dbt-01 585421 500 97 169 234 -50.38 ± 14.68 1 98 124 26 1 -102.97 ± 30.57
400237 ncm-dbt-04 571150 500 83 156 261 -51.09 ± 15.36 4 96 119 31 0 -98.44 ± 31.3
400236 ncm-dbt-05 584958 500 86 164 250 -54.64 ± 15.28 2 105 112 31 0 -109.07 ± 32.29
400235 ncm-dbt-02 587494 500 83 158 259 -52.51 ± 14.79 1 101 121 26 1 -107.54 ± 30.99
400234 ncm-dbt-03 588984 500 89 172 239 -58.21 ± 14.93 1 109 112 28 0 -118.33 ± 32.29
400233 ncm-dbt-01 584034 500 83 168 249 -59.64 ± 14.04 2 101 127 20 0 -119.89 ± 30.01
400232 ncm-dbt-04 570108 500 85 167 248 -57.5 ± 15.29 4 102 116 28 0 -112.14 ± 31.71
400231 ncm-dbt-02 587664 500 102 159 239 -39.78 ± 14.87 2 87 127 34 0 -77.71 ± 30.23
400230 ncm-dbt-05 585337 500 96 172 232 -53.22 ± 14.42 1 99 126 23 1 -109.07 ± 30.24
400229 ncm-dbt-03 586901 500 81 166 253 -59.64 ± 14.18 3 99 128 20 0 -118.33 ± 29.86
400228 ncm-dbt-04 570789 500 88 167 245 -55.36 ± 14.53 0 106 117 27 0 -113.68 ± 31.56
400227 ncm-dbt-01 584034 500 83 148 269 -45.42 ± 13.73 0 90 135 25 0 -92.46 ± 29.02
400226 ncm-dbt-02 584916 500 105 159 236 -37.67 ± 13.53 0 81 142 27 0 -76.25 ± 28.11
400225 ncm-dbt-05 584832 500 88 156 256 -47.54 ± 15.18 3 94 121 32 0 -92.46 ± 31.03
400224 ncm-dbt-03 588387 500 83 160 257 -53.93 ± 15.37 1 107 111 30 1 -110.6 ± 32.43
400223 ncm-dbt-04 570589 500 96 175 229 -55.36 ± 14.79 0 108 113 29 0 -113.68 ± 32.15
400222 ncm-dbt-01 584117 500 89 147 264 -40.48 ± 14.91 2 88 126 34 0 -79.17 ± 30.36
400221 ncm-dbt-02 583237 500 86 144 270 -40.48 ± 13.57 1 81 143 25 0 -80.63 ± 27.93
400220 ncm-dbt-05 583740 500 101 170 229 -48.25 ± 15.34 1 101 115 32 1 -98.44 ± 31.86
400219 ncm-dbt-03 585632 500 88 165 247 -53.93 ± 14.32 1 100 124 25 0 -109.07 ± 30.54
400218 ncm-dbt-01 585295 500 94 158 248 -44.72 ± 14.24 1 90 131 28 0 -89.48 ± 29.62
400217 ncm-dbt-04 571110 500 76 166 258 -63.23 ± 13.77 1 106 125 18 0 -129.35 ± 30.24
400216 ncm-dbt-02 585421 500 89 163 248 -51.8 ± 14.35 4 89 134 23 0 -99.95 ± 29.1
400215 ncm-dbt-05 587197 500 99 162 239 -44.01 ± 14.6 0 95 123 32 0 -89.48 ± 30.76
400214 ncm-dbt-03 589882 500 100 169 231 -48.25 ± 13.46 2 85 143 20 0 -95.44 ± 27.76

Commit

Commit ID c4a1390f4e485b8b6a2cf43504a968a3c8a4317d
Author bmc4
Date 2021-11-08 12:14:18 UTC
Simplify away the Reverse Move penalty This simplifies the penalty for reverse move introduced in https://github.com/official-stockfish/Stockfish/pull/2294 . STC: LLR: 2.94 (-2.94,2.94) <-2.25,0.25> Total: 81696 W: 20627 L: 20540 D: 40529 Ptnml(0-2): 221, 9390, 21559, 9437, 241 https://tests.stockfishchess.org/tests/view/618810acd7a085ad008ef1cc LTC: LLR: 2.95 (-2.94,2.94) <-2.25,0.25> Total: 44136 W: 11021 L: 10890 D: 22225 Ptnml(0-2): 28, 4570, 12746, 4691, 33 https://tests.stockfishchess.org/tests/view/61885686d7a085ad008ef20b closes https://github.com/official-stockfish/Stockfish/pull/3781 bench: 6547978
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