Dev Builds » 20210131-0902

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 06:41:53 583020 3990 294 1854 1842 -143.47 ± 4.98 103 1386 474 32 0 -322.92 ± 15.66
ncm-dbt-02 06:40:51 585522 4000 297 1825 1878 -139.81 ± 4.85 85 1389 495 31 0 -316.43 ± 15.32
ncm-dbt-03 06:43:20 585975 4016 321 1824 1871 -136.67 ± 4.83 82 1368 529 29 0 -306.61 ± 14.8
ncm-dbt-04 06:42:29 567612 4000 283 1850 1867 -143.79 ± 4.92 98 1402 469 31 0 -326.04 ± 15.75
ncm-dbt-05 06:41:48 581108 3994 293 1829 1872 -140.86 ± 5.06 104 1366 489 38 0 -313.25 ± 15.42
20000 1488 9182 9330 -140.91 ± 2.2 472 6911 2456 161 0 -316.94 ± 6.87

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
438169 ncm-dbt-03 585717 16 2 6 8 -88.72 ± 93.48 0 5 2 1 0 -190.85 ± 457.95
438168 ncm-dbt-01 582527 490 33 237 220 -153.99 ± 14.49 17 173 52 3 0 -348.82 ± 48.04
438167 ncm-dbt-05 584748 494 30 233 231 -151.73 ± 13.9 15 175 55 2 0 -347.05 ± 46.58
438166 ncm-dbt-04 567522 500 27 232 241 -151.34 ± 13.6 12 185 49 4 0 -356.21 ± 49.54
438165 ncm-dbt-02 585421 500 28 233 239 -151.34 ± 13.6 16 173 61 0 0 -342.85 ± 43.79
438164 ncm-dbt-03 586054 500 35 225 240 -138.99 ± 13.67 8 180 56 6 0 -321.19 ± 46.14
438163 ncm-dbt-01 582694 500 30 229 241 -146.36 ± 13.8 12 179 55 4 0 -336.46 ± 46.65
438162 ncm-dbt-05 579661 500 34 219 247 -134.95 ± 13.96 11 167 68 4 0 -298.62 ± 41.71
438161 ncm-dbt-04 568832 500 27 225 248 -145.54 ± 13.05 8 186 52 4 0 -346.12 ± 48.03
438160 ncm-dbt-02 585717 500 37 222 241 -134.95 ± 13.78 8 175 61 6 0 -306.84 ± 44.17
438159 ncm-dbt-03 587452 500 38 232 230 -142.25 ± 13.75 12 173 62 3 0 -321.19 ± 43.77
438158 ncm-dbt-01 584874 500 48 240 212 -140.62 ± 16.19 19 164 57 10 0 -295.94 ± 45.36
438157 ncm-dbt-05 580779 500 43 225 232 -132.54 ± 14.87 12 166 64 8 0 -288.06 ± 43.03
438156 ncm-dbt-04 567720 500 31 236 233 -151.34 ± 13.2 11 186 50 3 0 -359.68 ± 49.05
438155 ncm-dbt-02 586477 500 38 234 228 -143.89 ± 13.7 12 175 60 3 0 -327.18 ± 44.54
438154 ncm-dbt-03 584832 500 39 223 238 -134.15 ± 13.61 11 164 73 2 0 -295.94 ± 39.99
438153 ncm-dbt-01 580987 500 28 224 248 -143.89 ± 12.92 10 177 62 1 0 -333.32 ± 43.57
438152 ncm-dbt-05 580572 500 35 223 242 -137.37 ± 13.71 9 175 61 5 0 -312.48 ± 44.19
438151 ncm-dbt-04 567799 500 39 225 236 -135.76 ± 14.81 15 161 69 5 0 -290.66 ± 41.43
438150 ncm-dbt-02 585126 500 36 226 238 -138.99 ± 14.39 14 166 66 4 0 -304.07 ± 42.38
438149 ncm-dbt-03 586012 500 46 221 233 -126.97 ± 13.94 9 162 74 5 0 -277.93 ± 39.92
438148 ncm-dbt-01 583489 500 40 228 232 -137.37 ± 13.71 12 166 70 2 0 -304.07 ± 40.91
438147 ncm-dbt-05 581818 500 37 227 236 -138.99 ± 13.67 11 171 65 3 0 -312.48 ± 42.67
438146 ncm-dbt-04 567958 500 45 230 225 -134.95 ± 13.59 10 168 69 3 0 -301.33 ± 41.33
438145 ncm-dbt-02 583992 500 39 229 232 -138.99 ± 13.1 6 183 56 5 0 -327.18 ± 46.19
438144 ncm-dbt-03 585126 500 48 233 219 -134.95 ± 14.13 16 153 81 0 0 -285.49 ± 37.46
438143 ncm-dbt-05 577643 500 26 227 247 -148.02 ± 14.12 14 177 55 4 0 -336.46 ± 46.65
438142 ncm-dbt-01 584117 500 31 232 237 -148.02 ± 13.93 13 179 54 4 0 -339.63 ± 47.1
438141 ncm-dbt-02 586139 500 44 234 222 -138.99 ± 14.21 11 174 59 6 0 -312.48 ± 44.93
438140 ncm-dbt-03 587409 500 34 226 240 -140.62 ± 13.43 9 178 59 4 0 -324.17 ± 44.97
438139 ncm-dbt-04 568593 500 29 243 228 -158.93 ± 14.24 19 178 51 2 0 -363.2 ± 48.51
438138 ncm-dbt-05 579951 500 54 241 205 -136.56 ± 15.78 18 159 65 8 0 -285.49 ± 42.7
438137 ncm-dbt-01 584117 500 45 231 224 -135.76 ± 13.94 10 171 64 5 0 -304.07 ± 43.1
438136 ncm-dbt-02 585632 500 36 225 239 -138.18 ± 13.32 8 177 61 4 0 -318.25 ± 44.18
438135 ncm-dbt-04 565981 500 51 228 221 -128.55 ± 13.56 6 171 67 6 0 -290.66 ± 42.08
438134 ncm-dbt-03 585928 500 45 235 220 -138.99 ± 13.67 10 174 62 4 0 -315.35 ± 43.81
438133 ncm-dbt-01 581361 500 39 233 228 -142.25 ± 13.37 10 177 60 3 0 -327.18 ± 44.54
438132 ncm-dbt-05 583698 500 34 234 232 -147.19 ± 14.15 14 176 56 4 0 -333.32 ± 46.21
438131 ncm-dbt-02 585674 500 39 222 239 -133.34 ± 13.63 10 166 71 3 0 -295.94 ± 40.69
438130 ncm-dbt-03 585253 500 34 223 243 -138.18 ± 13.12 7 179 60 4 0 -321.19 ± 44.57
438129 ncm-dbt-04 566493 500 34 231 235 -144.71 ± 14.77 17 167 62 4 0 -315.35 ± 43.81

Commit

Commit ID befbcffb4e4c5d2ebfb9504b059a337ae4a60ece
Author bmc4
Date 2021-01-31 09:02:10 UTC
Clean Up Castling in gives_check There is no need to add rto or kto on the Bitboard which represents the pieces. STC: LLR: 2.93 (-2.94,2.94) {-1.25,0.25} Total: 57064 W: 5096 L: 5067 D: 46901 Ptnml(0-2): 202, 3862, 20355, 3931, 182 https://tests.stockfishchess.org/tests/view/6005ea2c6019e097de3efa55 LTC: LLR: 2.92 (-2.94,2.94) {-0.75,0.25} Total: 30088 W: 1094 L: 1052 D: 27942 Ptnml(0-2): 10, 882, 13217, 926, 9 https://tests.stockfishchess.org/tests/view/6006115a6019e097de3efa6e closes https://github.com/official-stockfish/Stockfish/pull/3311 No functional change.
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