Dev Builds » 20190614-0622

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 06:27:06 584955 4000 62 2668 1270 -270.27 ± 7.15 686 1235 78 1 0 -676.08 ± 39.16
ncm-dbt-02 06:27:04 586443 4000 50 2658 1292 -270.57 ± 6.95 672 1264 64 0 0 -715.54 ± 43.39
ncm-dbt-03 06:26:33 585843 4000 49 2673 1278 -273.0 ± 7.1 691 1242 67 0 0 -707.45 ± 42.37
ncm-dbt-04 06:28:36 569077 4000 32 2723 1245 -283.42 ± 7.27 738 1215 47 0 0 -769.92 ± 51.03
ncm-dbt-05 06:26:52 584428 4000 51 2684 1265 -274.38 ± 7.18 701 1232 66 1 0 -704.84 ± 42.71
20000 244 13406 6350 -274.28 ± 3.19 3488 6188 322 2 0 -712.27 ± 19.05

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
471657 ncm-dbt-04 566849 500 7 340 153 -279.16 ± 21.32 93 147 10 0 0 -676.04 ± 124.55
471656 ncm-dbt-01 586054 500 10 329 161 -262.24 ± 19.8 81 157 12 0 0 -643.67 ± 110.29
471655 ncm-dbt-05 583531 500 8 337 155 -274.22 ± 20.72 89 151 10 0 0 -676.04 ± 124.55
471654 ncm-dbt-03 586816 500 5 335 160 -275.44 ± 20.3 88 154 8 0 0 -715.51 ± 146.53
471653 ncm-dbt-02 586350 500 4 333 163 -274.22 ± 19.27 84 161 5 0 0 -798.18 ± 231.48
471652 ncm-dbt-01 584285 500 6 349 145 -291.96 ± 21.65 99 145 6 0 0 -766.17 ± 188.02
471651 ncm-dbt-04 569151 500 3 336 161 -279.16 ± 19.54 87 159 4 0 0 -837.28 ± 240.94
471650 ncm-dbt-03 584285 500 9 334 157 -269.36 ± 20.13 85 155 10 0 0 -676.04 ± 124.55
471649 ncm-dbt-05 584622 500 3 342 155 -286.77 ± 20.11 92 155 3 0 0 -887.58 ± 222.18
471648 ncm-dbt-02 588260 500 4 330 166 -270.57 ± 18.53 80 166 4 0 0 -837.28 ± 240.94
471647 ncm-dbt-01 585759 500 11 338 151 -271.78 ± 21.52 91 145 14 0 0 -616.18 ± 100.06
471646 ncm-dbt-04 568554 500 4 348 148 -293.28 ± 21.18 98 148 4 0 0 -837.28 ± 240.94
471645 ncm-dbt-05 585084 500 11 325 164 -256.44 ± 20.12 79 157 13 1 0 -603.86 ± 103.96
471644 ncm-dbt-03 586604 500 5 348 147 -291.96 ± 21.65 99 145 6 0 0 -766.17 ± 188.02
471643 ncm-dbt-02 586985 500 5 320 175 -257.59 ± 18.12 73 169 8 0 0 -715.51 ± 146.53
471642 ncm-dbt-01 585843 500 7 341 152 -280.42 ± 20.9 92 150 8 0 0 -715.51 ± 146.53
471641 ncm-dbt-03 587877 500 5 337 158 -277.92 ± 20.01 88 156 6 0 0 -766.17 ± 188.02
471640 ncm-dbt-05 584748 500 7 328 165 -264.59 ± 19.55 81 159 10 0 0 -676.04 ± 124.55
471639 ncm-dbt-04 570188 500 5 349 146 -293.28 ± 21.81 100 144 6 0 0 -766.17 ± 188.02
471638 ncm-dbt-02 585885 500 10 329 161 -262.24 ± 19.53 80 159 11 0 0 -659.13 ± 116.77
471637 ncm-dbt-01 585042 500 4 327 169 -266.96 ± 18.99 80 163 7 0 0 -739.05 ± 163.27
471636 ncm-dbt-02 587367 500 7 336 157 -274.22 ± 20.44 88 153 9 0 0 -694.7 ± 134.18
471635 ncm-dbt-04 568951 500 2 335 163 -279.16 ± 19.85 88 157 5 0 0 -798.18 ± 231.48
471634 ncm-dbt-03 586223 500 6 329 165 -266.96 ± 19.84 83 157 10 0 0 -676.04 ± 124.55
471633 ncm-dbt-05 585506 500 11 333 156 -265.77 ± 20.51 85 152 13 0 0 -629.41 ± 104.8
471632 ncm-dbt-01 582068 500 7 327 166 -263.41 ± 19.68 81 158 11 0 0 -659.13 ± 116.77
471631 ncm-dbt-03 587537 500 5 332 163 -271.78 ± 19.28 83 161 6 0 0 -766.17 ± 188.02
471630 ncm-dbt-02 587664 500 10 336 154 -270.57 ± 20.83 88 150 12 0 0 -643.67 ± 110.29
471629 ncm-dbt-04 569190 500 3 343 154 -288.06 ± 21.2 96 148 6 0 0 -766.17 ± 188.02
471628 ncm-dbt-05 582652 500 3 345 152 -290.65 ± 21.19 97 148 5 0 0 -798.18 ± 231.48
471627 ncm-dbt-01 585337 500 10 319 171 -250.76 ± 18.62 72 165 13 0 0 -629.41 ± 104.8
471626 ncm-dbt-02 585632 500 7 341 152 -280.42 ± 21.19 93 148 9 0 0 -694.7 ± 134.18
471625 ncm-dbt-03 581985 500 7 333 160 -270.57 ± 20.0 85 156 9 0 0 -694.7 ± 134.18
471624 ncm-dbt-04 569869 500 3 335 162 -277.92 ± 19.71 87 158 5 0 0 -798.18 ± 231.48
471623 ncm-dbt-05 583698 500 5 338 157 -279.16 ± 20.15 89 155 6 0 0 -766.17 ± 188.02
471622 ncm-dbt-01 585253 500 7 338 155 -276.68 ± 21.02 90 152 7 1 0 -694.74 ± 156.93
471621 ncm-dbt-03 585421 500 7 325 168 -261.07 ± 19.66 80 158 12 0 0 -643.67 ± 110.29
471620 ncm-dbt-05 585590 500 3 336 161 -279.16 ± 20.15 89 155 6 0 0 -766.17 ± 188.02
471619 ncm-dbt-04 569869 500 5 337 158 -277.92 ± 20.3 89 154 7 0 0 -739.05 ± 163.27
471618 ncm-dbt-02 583405 500 3 333 164 -275.44 ± 19.71 86 158 6 0 0 -766.17 ± 188.02

Commit

Commit ID 8cfe27b76521f3c357b8d3542717aceaa5eee23b
Author protonspring
Date 2019-06-14 06:22:02 UTC
Remove backmost_sq (#2190) This is a non-functional simplification. backmost_sq and frontmost_sq are redundant. It seems quite clear to always use frontmost_sq and use the correct color. Non functional change.
Copyright 2011–2026 Next Chess Move LLC