Dev Builds » 20200703-1906

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 06:29:15 585033 4002 75 2523 1404 -247.24 ± 6.43 552 1345 103 1 0 -627.82 ± 33.94
ncm-dbt-02 06:29:43 586460 4000 65 2555 1380 -253.31 ± 6.53 581 1328 91 0 0 -653.21 ± 36.16
ncm-dbt-03 06:30:00 584985 4000 80 2540 1380 -249.08 ± 6.49 563 1335 101 1 0 -631.16 ± 34.28
ncm-dbt-04 06:29:14 568804 4000 67 2553 1380 -252.74 ± 6.54 578 1332 88 2 0 -651.27 ± 36.79
ncm-dbt-05 06:30:44 582154 3998 57 2562 1379 -255.62 ± 6.57 589 1329 79 2 0 -669.46 ± 38.89
20000 344 12733 6923 -251.58 ± 2.91 2863 6669 462 6 0 -645.93 ± 15.88

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
462698 ncm-dbt-01 584748 2 0 1 1 -189.7 ± 55.98 0 1 0 0 0 -1129.65 ± 376.02
462697 ncm-dbt-05 584201 498 6 323 169 -261.39 ± 18.35 75 167 7 0 0 -738.34 ± 163.26
462696 ncm-dbt-03 585928 500 11 326 163 -257.59 ± 19.49 78 159 13 0 0 -629.41 ± 104.8
462695 ncm-dbt-02 587197 500 8 309 183 -241.91 ± 17.46 64 173 13 0 0 -629.41 ± 104.8
462694 ncm-dbt-04 564252 500 11 317 172 -247.41 ± 18.18 69 168 13 0 0 -629.41 ± 104.8
462693 ncm-dbt-01 586816 500 8 304 188 -236.51 ± 17.26 60 177 12 1 0 -616.2 ± 109.19
462692 ncm-dbt-05 582152 500 4 328 168 -268.16 ± 18.84 80 164 6 0 0 -766.17 ± 188.02
462691 ncm-dbt-03 585548 500 10 327 163 -259.9 ± 19.24 78 161 11 0 0 -659.13 ± 116.77
462690 ncm-dbt-01 587494 500 9 323 168 -256.44 ± 18.53 74 166 10 0 0 -676.04 ± 124.55
462689 ncm-dbt-02 587834 500 8 329 163 -264.59 ± 19.82 82 157 11 0 0 -659.13 ± 116.77
462688 ncm-dbt-04 570388 500 6 321 173 -257.59 ± 18.4 73 170 6 1 0 -715.55 ± 177.2
462687 ncm-dbt-05 583279 500 8 326 166 -261.07 ± 19.11 78 162 10 0 0 -676.04 ± 124.55
462686 ncm-dbt-03 584327 500 11 315 174 -245.19 ± 18.16 68 168 14 0 0 -616.18 ± 100.06
462685 ncm-dbt-01 585421 500 11 306 183 -235.44 ± 17.12 60 175 15 0 0 -603.84 ± 95.91
462684 ncm-dbt-02 585000 500 12 324 164 -254.15 ± 19.57 77 158 15 0 0 -603.84 ± 95.91
462683 ncm-dbt-04 565705 500 7 334 159 -271.78 ± 20.15 86 155 9 0 0 -694.7 ± 134.18
462682 ncm-dbt-03 585253 500 11 312 177 -241.91 ± 17.72 65 171 14 0 0 -616.18 ± 100.06
462681 ncm-dbt-05 581652 500 10 318 172 -249.64 ± 18.99 72 165 12 1 0 -616.2 ± 109.19
462680 ncm-dbt-04 567284 500 6 316 178 -251.89 ± 17.11 67 176 7 0 0 -739.05 ± 163.27
462679 ncm-dbt-01 584916 500 12 325 163 -255.29 ± 19.46 77 159 14 0 0 -616.18 ± 100.06
462678 ncm-dbt-02 587537 500 11 331 158 -263.41 ± 20.22 83 154 13 0 0 -629.41 ± 104.8
462677 ncm-dbt-05 581153 500 10 304 186 -234.38 ± 16.71 58 178 14 0 0 -616.18 ± 100.06
462676 ncm-dbt-03 583908 500 6 309 185 -244.09 ± 17.22 64 175 11 0 0 -659.13 ± 116.77
462675 ncm-dbt-02 586985 500 9 313 178 -245.19 ± 17.63 66 172 12 0 0 -643.67 ± 110.29
462674 ncm-dbt-04 569789 500 12 323 165 -253.02 ± 19.68 76 160 13 1 0 -603.86 ± 103.96
462673 ncm-dbt-01 585506 500 7 316 177 -250.76 ± 18.08 70 169 11 0 0 -659.13 ± 116.77
462672 ncm-dbt-05 579951 500 7 312 181 -246.3 ± 18.3 69 167 14 0 0 -616.18 ± 100.06
462671 ncm-dbt-04 569549 500 12 322 166 -251.89 ± 19.53 76 158 16 0 0 -592.27 ± 92.24
462670 ncm-dbt-01 584622 500 9 316 175 -248.52 ± 18.59 71 165 14 0 0 -616.18 ± 100.06
462669 ncm-dbt-02 583070 500 6 314 180 -249.64 ± 17.67 68 172 10 0 0 -676.04 ± 124.55
462668 ncm-dbt-03 585000 500 8 321 171 -255.3 ± 18.93 74 166 9 1 0 -659.17 ± 131.36
462667 ncm-dbt-01 584622 500 6 317 177 -253.02 ± 18.37 72 167 11 0 0 -659.13 ± 116.77
462666 ncm-dbt-05 582903 500 8 329 163 -264.59 ± 19.82 81 160 8 1 0 -676.08 ± 142.43
462665 ncm-dbt-04 572074 500 9 316 175 -248.52 ± 18.06 69 169 12 0 0 -643.67 ± 110.29
462664 ncm-dbt-02 586393 500 7 322 171 -257.59 ± 18.95 76 163 11 0 0 -659.13 ± 116.77
462663 ncm-dbt-03 585379 500 13 306 181 -233.32 ± 17.34 60 173 17 0 0 -581.38 ± 88.96
462662 ncm-dbt-01 581153 500 13 315 172 -243.0 ± 18.38 68 166 16 0 0 -592.27 ± 92.24
462661 ncm-dbt-03 584537 500 10 324 166 -256.44 ± 19.07 76 162 12 0 0 -643.67 ± 110.29
462660 ncm-dbt-05 581943 500 4 322 174 -261.07 ± 18.55 76 166 8 0 0 -715.51 ± 146.53
462659 ncm-dbt-04 571391 500 4 304 192 -240.82 ± 17.05 62 176 12 0 0 -643.67 ± 110.29
462658 ncm-dbt-02 587664 500 4 313 183 -250.76 ± 16.68 65 179 6 0 0 -766.17 ± 188.02

Commit

Commit ID 268c00b648ba4a48be79a849dde5733e6705ddbf
Author Alain SAVARD
Date 2020-07-03 19:06:36 UTC
Use arrays for safe checks, outposts and king protectors in evaluate.cpp Tested for non regression on the safe checks https://tests.stockfishchess.org/tests/view/5ef8b75c020eec13834a9596 LLR: 2.95 (-2.94,2.94) {-1.50,0.50} Total: 22256 W: 4283 L: 4143 D: 13830 Ptnml(0-2): 291, 2439, 5588, 2459, 351 Tested for non regression on the safe checks, outposts and king protectors https://tests.stockfishchess.org/tests/view/5ef8e543020eec13834a95e7 LLR: 2.95 (-2.94,2.94) {-1.50,0.50} Total: 28400 W: 5382 L: 5253 D: 17765 Ptnml(0-2): 394, 3078, 7119, 3223, 386 closes https://github.com/official-stockfish/Stockfish/pull/2785 No functional change
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