Dev Builds » 20210111-1817

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 06:50:38 581580 4000 300 1813 1887 -138.28 ± 4.77 79 1380 516 25 0 -313.19 ± 14.98
ncm-dbt-02 06:51:19 586414 4000 293 1810 1897 -138.69 ± 5.06 98 1362 500 39 1 -308.24 ± 15.25
ncm-dbt-03 06:52:21 586432 4004 276 1854 1874 -144.76 ± 4.8 94 1413 472 23 0 -331.2 ± 15.68
ncm-dbt-04 06:50:33 566490 4000 328 1811 1861 -135.25 ± 5.01 92 1337 533 38 0 -298.28 ± 14.76
ncm-dbt-05 06:52:36 582569 3996 297 1813 1886 -138.74 ± 4.78 76 1393 500 29 0 -315.87 ± 15.24
20000 1494 9101 9405 -139.14 ± 2.18 439 6885 2521 154 1 -313.12 ± 6.78

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
446214 ncm-dbt-03 585295 4 0 2 2 -190.27 ± 27.79 0 2 0 0 0 -1199.83 ± 312.71
446213 ncm-dbt-05 582485 496 38 221 237 -134.53 ± 13.68 9 169 66 4 0 -302.43 ± 42.38
446212 ncm-dbt-04 565823 500 49 232 219 -133.34 ± 13.26 8 170 69 3 0 -301.33 ± 41.33
446211 ncm-dbt-02 586816 500 32 219 249 -136.56 ± 13.92 11 169 66 4 0 -304.07 ± 42.38
446210 ncm-dbt-03 587113 500 31 229 240 -145.54 ± 13.25 11 178 59 2 0 -336.46 ± 44.87
446209 ncm-dbt-01 581610 500 34 234 232 -147.19 ± 12.57 8 186 54 2 0 -352.8 ± 47.05
446208 ncm-dbt-05 584243 500 33 242 225 -154.7 ± 13.45 13 186 48 3 0 -366.78 ± 50.11
446207 ncm-dbt-02 586604 500 33 227 240 -142.25 ± 13.94 13 171 63 3 0 -318.25 ± 43.39
446206 ncm-dbt-03 585337 500 31 231 238 -147.19 ± 13.18 9 186 51 4 0 -349.43 ± 48.52
446205 ncm-dbt-04 566257 500 47 226 227 -130.14 ± 14.06 10 164 71 5 0 -285.49 ± 40.81
446204 ncm-dbt-01 581860 500 31 231 238 -147.19 ± 12.98 10 182 56 2 0 -346.12 ± 46.15
446203 ncm-dbt-05 580821 500 35 235 230 -147.19 ± 14.33 16 171 60 3 0 -327.18 ± 44.54
446202 ncm-dbt-02 585548 500 40 224 236 -134.15 ± 15.5 16 160 66 8 0 -282.94 ± 42.37
446201 ncm-dbt-03 587664 500 36 233 231 -144.71 ± 13.86 13 174 60 3 0 -327.18 ± 44.54
446200 ncm-dbt-04 568514 500 42 236 222 -142.25 ± 14.12 13 172 61 4 0 -318.25 ± 44.18
446199 ncm-dbt-01 582736 500 39 229 232 -138.99 ± 13.67 11 171 65 3 0 -312.48 ± 42.67
446198 ncm-dbt-05 583321 500 43 223 234 -130.94 ± 12.95 5 174 67 4 0 -301.33 ± 42.04
446197 ncm-dbt-04 564840 500 45 214 241 -122.24 ± 14.0 7 162 74 7 0 -268.17 ± 39.97
446196 ncm-dbt-03 588345 500 33 229 238 -143.89 ± 14.97 18 164 64 4 0 -309.64 ± 43.08
446195 ncm-dbt-02 585970 500 38 225 237 -136.56 ± 13.92 9 174 63 3 1 -312.48 ± 43.44
446194 ncm-dbt-01 581028 500 40 229 231 -138.18 ± 13.32 10 171 67 2 0 -312.48 ± 41.9
446193 ncm-dbt-05 582987 500 28 238 234 -155.54 ± 13.81 15 183 49 3 0 -363.2 ± 49.57
446192 ncm-dbt-03 586435 500 40 240 220 -147.19 ± 13.18 11 180 57 2 0 -342.85 ± 45.71
446191 ncm-dbt-04 567363 500 38 219 243 -131.74 ± 13.3 7 171 68 4 0 -298.62 ± 41.71
446190 ncm-dbt-02 583070 500 43 231 226 -137.37 ± 13.9 10 173 62 5 0 -309.64 ± 43.82
446189 ncm-dbt-01 580240 500 40 216 244 -127.76 ± 12.84 4 172 70 4 0 -293.29 ± 41.07
446188 ncm-dbt-05 584958 500 44 214 242 -123.02 ± 13.29 2 174 66 8 0 -282.94 ± 42.37
446187 ncm-dbt-02 585759 500 39 222 239 -133.34 ± 15.02 14 162 67 7 0 -285.49 ± 42.08
446186 ncm-dbt-01 583656 500 34 224 242 -138.99 ± 14.39 13 169 63 5 0 -306.84 ± 43.45
446185 ncm-dbt-04 567244 500 40 227 233 -136.56 ± 14.79 14 165 65 6 0 -295.94 ± 42.75
446184 ncm-dbt-03 586520 500 32 213 255 -131.74 ± 12.93 5 175 66 4 0 -304.07 ± 42.38
446183 ncm-dbt-02 587664 500 30 233 237 -149.68 ± 14.43 16 175 55 4 0 -336.46 ± 46.65
446182 ncm-dbt-05 578465 500 39 216 245 -128.55 ± 13.38 9 161 78 2 0 -282.94 ± 38.55
446181 ncm-dbt-01 580447 500 36 217 247 -131.74 ± 13.67 9 167 70 4 0 -293.29 ± 41.07
446180 ncm-dbt-03 585379 500 39 244 217 -151.34 ± 12.99 13 179 58 0 0 -352.79 ± 45.01
446179 ncm-dbt-04 566967 500 34 232 234 -145.54 ± 14.57 16 170 60 4 0 -321.19 ± 44.57
446178 ncm-dbt-02 589882 500 38 229 233 -139.81 ± 13.64 9 178 58 5 0 -321.19 ± 45.36
446177 ncm-dbt-01 581070 500 46 233 221 -136.56 ± 14.27 14 162 71 3 0 -295.94 ± 40.69
446176 ncm-dbt-04 564919 500 33 225 242 -140.62 ± 15.05 17 163 65 5 0 -301.33 ± 42.75
446175 ncm-dbt-05 583279 500 37 224 239 -136.56 ± 12.79 7 175 66 2 0 -315.35 ± 42.24
446174 ncm-dbt-03 585801 500 34 233 233 -146.36 ± 14.18 14 175 57 4 0 -330.23 ± 45.79

Commit

Commit ID b1bb376c3cc9a2e197759b3e6f0d365c8aae7e72
Author Vizvezdenec
Date 2021-01-11 18:17:03 UTC
Small code cleanup in LMR In a recent patch we added comparing capture history to a number for LMR of captures. Calling it via thisThread-> is not needed since capture history was already declared by this time - so removing makes code slightly shorter and easier to follow. closes https://github.com/official-stockfish/Stockfish/pull/3297 No functional change.
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