Dev Builds » 20200808-0625

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 06:30:58 581577 4000 71 2523 1406 -247.97 ± 6.42 554 1344 102 0 0 -632.89 ± 34.1
ncm-dbt-02 06:32:17 586375 4000 64 2545 1391 -252.03 ± 6.55 576 1331 91 2 0 -645.56 ± 36.16
ncm-dbt-03 06:30:50 586832 4000 70 2555 1375 -252.6 ± 6.59 584 1317 99 0 0 -638.21 ± 34.63
ncm-dbt-04 06:32:35 567947 4006 70 2573 1363 -254.62 ± 6.64 596 1311 96 0 0 -643.96 ± 35.18
ncm-dbt-05 06:31:32 583067 3994 77 2522 1395 -247.51 ± 6.41 548 1351 96 2 0 -636.16 ± 35.19
20000 352 12718 6930 -250.93 ± 2.92 2858 6654 484 4 0 -639.3 ± 15.51

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
444264 ncm-dbt-04 568315 6 0 5 1 -415.05 ± 489.74 2 1 0 0 0 -1199.83 ± 276.48
444263 ncm-dbt-05 585084 494 13 314 167 -245.92 ± 18.41 68 165 14 0 0 -614.02 ± 100.04
444262 ncm-dbt-02 587877 500 9 320 171 -253.02 ± 18.1 71 169 10 0 0 -676.04 ± 124.55
444261 ncm-dbt-01 581818 500 8 324 168 -258.74 ± 19.36 78 160 12 0 0 -643.67 ± 110.29
444260 ncm-dbt-03 585464 500 8 322 170 -256.44 ± 18.8 75 164 11 0 0 -659.13 ± 116.77
444259 ncm-dbt-04 566414 500 8 315 177 -248.52 ± 17.79 68 171 11 0 0 -659.13 ± 116.77
444258 ncm-dbt-05 578836 500 7 310 183 -244.09 ± 16.95 63 177 10 0 0 -676.04 ± 124.55
444257 ncm-dbt-02 587707 500 8 315 177 -248.52 ± 18.06 69 169 12 0 0 -643.67 ± 110.29
444256 ncm-dbt-01 584327 500 10 308 182 -238.65 ± 18.05 65 168 17 0 0 -581.38 ± 88.96
444255 ncm-dbt-04 568792 500 11 321 168 -251.89 ± 19.02 74 162 14 0 0 -616.18 ± 100.06
444254 ncm-dbt-03 584748 500 10 314 176 -245.19 ± 17.9 67 170 13 0 0 -629.41 ± 104.8
444253 ncm-dbt-05 583112 500 10 335 155 -269.36 ± 21.48 89 148 12 1 0 -616.2 ± 109.19
444252 ncm-dbt-02 585843 500 10 320 170 -251.89 ± 17.95 70 170 10 0 0 -676.04 ± 124.55
444251 ncm-dbt-04 567878 500 10 322 168 -254.15 ± 18.78 74 164 12 0 0 -643.67 ± 110.29
444250 ncm-dbt-01 581277 500 11 315 174 -245.19 ± 17.63 66 172 12 0 0 -643.67 ± 110.29
444249 ncm-dbt-03 587325 500 9 321 170 -254.15 ± 18.78 74 164 12 0 0 -643.67 ± 110.29
444248 ncm-dbt-05 581111 500 8 303 189 -235.44 ± 16.33 56 184 9 1 0 -659.17 ± 131.36
444247 ncm-dbt-01 580613 500 10 316 174 -247.41 ± 17.92 68 170 12 0 0 -643.67 ± 110.29
444246 ncm-dbt-02 585590 500 5 329 166 -268.16 ± 19.42 82 160 8 0 0 -715.51 ± 146.53
444245 ncm-dbt-03 584285 500 11 315 174 -245.19 ± 18.67 70 164 16 0 0 -592.27 ± 92.24
444244 ncm-dbt-04 570308 500 12 324 164 -254.15 ± 19.57 77 158 15 0 0 -603.84 ± 95.91
444243 ncm-dbt-05 583992 500 14 311 175 -237.58 ± 18.16 65 167 18 0 0 -571.09 ± 86.01
444242 ncm-dbt-04 566651 500 6 316 178 -251.89 ± 19.02 74 162 14 0 0 -616.18 ± 100.06
444241 ncm-dbt-03 590310 500 7 319 174 -254.15 ± 18.78 74 164 12 0 0 -643.67 ± 110.29
444240 ncm-dbt-02 585717 500 11 307 182 -236.51 ± 17.26 61 174 15 0 0 -603.84 ± 95.91
444239 ncm-dbt-01 580655 500 9 317 174 -249.64 ± 18.73 72 164 14 0 0 -616.18 ± 100.06
444238 ncm-dbt-05 583154 500 8 313 179 -246.3 ± 18.04 68 169 13 0 0 -629.41 ± 104.8
444237 ncm-dbt-04 568912 500 8 322 170 -256.44 ± 18.8 75 164 11 0 0 -659.13 ± 116.77
444236 ncm-dbt-01 579289 500 7 316 177 -250.76 ± 17.53 68 173 9 0 0 -694.7 ± 134.18
444235 ncm-dbt-03 586646 500 7 315 178 -249.64 ± 17.94 69 170 11 0 0 -659.13 ± 116.77
444234 ncm-dbt-02 587197 500 8 313 179 -246.3 ± 18.3 68 170 11 1 0 -629.43 ± 115.29
444233 ncm-dbt-05 586012 500 9 329 162 -263.41 ± 19.68 81 158 11 0 0 -659.13 ± 116.77
444232 ncm-dbt-04 568037 500 10 317 173 -248.52 ± 18.59 71 165 14 0 0 -616.18 ± 100.06
444231 ncm-dbt-02 587877 500 7 315 178 -249.64 ± 19.99 76 157 16 1 0 -571.11 ± 91.87
444230 ncm-dbt-03 587282 500 7 325 168 -261.07 ± 19.38 79 160 11 0 0 -659.13 ± 116.77
444229 ncm-dbt-01 581860 500 11 308 181 -237.58 ± 17.41 62 173 15 0 0 -603.84 ± 95.91
444228 ncm-dbt-05 583237 500 8 307 185 -239.73 ± 16.09 58 183 9 0 0 -694.7 ± 134.18
444227 ncm-dbt-01 582778 500 5 319 176 -256.44 ± 18.8 75 164 11 0 0 -659.13 ± 116.77
444226 ncm-dbt-02 583196 500 6 326 168 -263.41 ± 19.12 79 162 9 0 0 -694.7 ± 134.18
444225 ncm-dbt-03 588600 500 11 324 165 -255.29 ± 19.19 76 161 13 0 0 -629.41 ± 104.8
444224 ncm-dbt-04 566217 500 5 331 164 -270.57 ± 18.83 81 164 5 0 0 -798.18 ± 231.48

Commit

Commit ID dc5af66eadf3cbe3c3ef106657e561c1aa8ac97f
Author Unai Corzo
Date 2020-08-08 06:25:06 UTC
Tweak futility pruning depth. STC https://tests.stockfishchess.org/tests/view/5f2d237161e3b6af64881f43 LLR: 2.96 (-2.94,2.94) {-0.50,1.50} Total: 12712 W: 1823 L: 1664 D: 9225 Ptnml(0-2): 122, 1166, 3627, 1313, 128 LTC https://tests.stockfishchess.org/tests/view/5f2d473061e3b6af64881f6f LLR: 2.96 (-2.94,2.94) {0.25,1.75} Total: 12104 W: 912 L: 788 D: 10404 Ptnml(0-2): 13, 665, 4582, 769, 23 closes https://github.com/official-stockfish/Stockfish/pull/2930 bench: 4271421
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