Dev Builds » 20200709-1946

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 06:30:19 582400 4012 59 2584 1369 -257.23 ± 6.66 606 1314 85 1 0 -661.73 ± 37.47
ncm-dbt-02 06:28:31 585988 4000 76 2533 1391 -248.67 ± 6.49 561 1336 102 1 0 -629.43 ± 34.11
ncm-dbt-03 06:30:18 587073 4000 62 2547 1391 -252.6 ± 6.46 570 1348 79 3 0 -665.33 ± 38.86
ncm-dbt-04 06:30:00 567740 4004 63 2570 1371 -255.37 ± 6.62 594 1321 85 2 0 -657.34 ± 37.45
ncm-dbt-05 06:30:43 584057 3984 84 2542 1358 -250.19 ± 6.56 570 1318 104 0 0 -628.72 ± 33.76
20000 344 12776 6880 -252.8 ± 2.93 2901 6637 455 7 0 -647.82 ± 16.0

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
440327 ncm-dbt-04 568037 4 0 4 0 -1161.37 ± 331.6 2 0 0 0 0 -1199.83 ± 312.71
440326 ncm-dbt-01 580199 12 0 8 4 -279.22 ± 131.95 2 4 0 0 0 -1199.83 ± 215.27
440325 ncm-dbt-05 585253 484 13 302 169 -239.25 ± 18.05 62 165 15 0 0 -598.01 ± 95.88
440324 ncm-dbt-03 585590 500 9 316 175 -248.52 ± 17.79 68 171 11 0 0 -659.13 ± 116.77
440323 ncm-dbt-02 584579 500 9 309 182 -240.82 ± 17.05 62 176 12 0 0 -643.67 ± 110.29
440322 ncm-dbt-04 568037 500 8 317 175 -250.76 ± 18.08 69 172 8 1 0 -676.08 ± 142.43
440321 ncm-dbt-01 581070 500 6 308 186 -243.0 ± 17.34 63 177 9 1 0 -659.17 ± 131.36
440320 ncm-dbt-05 582652 500 6 323 171 -259.9 ± 18.97 77 163 10 0 0 -676.04 ± 124.55
440319 ncm-dbt-03 587240 500 10 307 183 -237.58 ± 17.15 60 178 11 1 0 -629.43 ± 115.29
440318 ncm-dbt-02 586308 500 9 319 172 -251.89 ± 19.53 75 161 13 1 0 -603.86 ± 103.96
440317 ncm-dbt-04 567403 500 3 317 180 -256.44 ± 17.97 72 170 8 0 0 -715.51 ± 146.53
440316 ncm-dbt-01 582485 500 11 314 175 -244.09 ± 18.52 69 165 16 0 0 -592.27 ± 92.24
440315 ncm-dbt-05 583531 500 7 322 171 -257.59 ± 17.83 72 171 7 0 0 -739.05 ± 163.27
440314 ncm-dbt-03 585590 500 5 319 176 -256.44 ± 19.07 75 165 9 1 0 -659.17 ± 131.36
440313 ncm-dbt-02 587962 500 13 309 178 -236.51 ± 17.52 62 172 16 0 0 -592.27 ± 92.24
440312 ncm-dbt-04 569949 500 10 315 175 -246.3 ± 18.56 70 165 15 0 0 -603.84 ± 95.91
440311 ncm-dbt-01 582444 500 11 319 170 -249.64 ± 18.47 71 166 13 0 0 -629.41 ± 104.8
440310 ncm-dbt-05 585548 500 18 321 161 -244.09 ± 19.74 74 155 21 0 0 -543.23 ± 78.65
440309 ncm-dbt-03 587749 500 7 315 178 -249.64 ± 17.11 66 176 8 0 0 -715.51 ± 146.53
440308 ncm-dbt-02 587622 500 8 317 175 -250.76 ± 18.35 71 167 12 0 0 -643.67 ± 110.29
440307 ncm-dbt-04 568713 500 9 338 153 -274.22 ± 20.72 89 151 10 0 0 -676.04 ± 124.55
440306 ncm-dbt-01 584034 500 6 329 165 -266.96 ± 18.99 80 163 7 0 0 -739.05 ± 163.27
440305 ncm-dbt-05 583908 500 6 315 179 -250.76 ± 17.25 67 175 8 0 0 -715.51 ± 146.53
440304 ncm-dbt-03 587494 500 11 315 174 -245.19 ± 18.16 68 168 14 0 0 -616.18 ± 100.06
440303 ncm-dbt-02 585464 500 6 314 180 -249.64 ± 17.11 66 176 8 0 0 -715.51 ± 146.53
440302 ncm-dbt-01 584076 500 6 328 166 -265.77 ± 19.13 80 162 8 0 0 -715.51 ± 146.53
440301 ncm-dbt-04 567363 500 5 317 178 -254.15 ± 17.68 70 172 8 0 0 -715.51 ± 146.53
440300 ncm-dbt-05 581319 500 11 322 167 -253.02 ± 18.91 74 163 13 0 0 -629.41 ± 104.8
440299 ncm-dbt-02 584243 500 9 317 174 -249.64 ± 18.21 70 168 12 0 0 -643.67 ± 110.29
440298 ncm-dbt-03 588856 500 7 322 171 -257.59 ± 18.4 74 167 9 0 0 -694.7 ± 134.18
440297 ncm-dbt-01 581361 500 4 328 168 -268.16 ± 20.26 85 154 11 0 0 -659.13 ± 116.77
440296 ncm-dbt-04 565744 500 8 328 164 -263.41 ± 18.84 78 164 8 0 0 -715.51 ± 146.53
440295 ncm-dbt-05 585126 500 10 324 166 -256.44 ± 19.34 77 160 13 0 0 -629.41 ± 104.8
440294 ncm-dbt-02 586858 500 10 314 176 -245.19 ± 17.63 66 172 12 0 0 -643.67 ± 110.29
440293 ncm-dbt-03 588941 500 5 326 169 -264.59 ± 18.7 78 165 7 0 0 -739.05 ± 163.27
440292 ncm-dbt-04 568315 500 8 327 165 -262.24 ± 19.8 81 157 12 0 0 -643.67 ± 110.29
440291 ncm-dbt-01 582318 500 7 328 165 -264.59 ± 18.98 79 163 8 0 0 -715.51 ± 146.53
440290 ncm-dbt-02 584874 500 12 334 154 -265.77 ± 21.55 89 144 17 0 0 -581.38 ± 88.96
440289 ncm-dbt-04 566099 500 12 307 181 -235.44 ± 18.12 63 170 16 1 0 -571.11 ± 91.87
440288 ncm-dbt-05 585126 500 13 313 174 -240.82 ± 18.34 67 166 17 0 0 -581.38 ± 88.96
440287 ncm-dbt-01 583614 500 8 322 170 -256.44 ± 19.34 77 160 13 0 0 -629.41 ± 104.8
440286 ncm-dbt-03 585126 500 8 327 165 -262.24 ± 20.07 81 158 10 1 0 -643.7 ± 122.54

Commit

Commit ID 76a039027d14640852f60bda6d62ca16bdac3b9e
Author Alain SAVARD
Date 2020-07-09 19:46:26 UTC
Clean-up en passant processing the goal of this PR is to better document how we process the ep square (if any) given position fen command, and to output more meaningful (and consistent) debug fen on the "d" command. The implementation follows https://en.wikipedia.org/wiki/X-FEN#Encoding_en-passant following x-fen, it is "valid" to record ep even if ep would put king en prise. fixes #2784 closes https://github.com/official-stockfish/Stockfish/pull/2797 No functional change
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