Dev Builds » 20200526-0511

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 06:29:59 584523 4002 76 2584 1342 -255.69 ± 6.78 610 1288 103 0 0 -631.24 ± 33.93
ncm-dbt-02 06:29:25 586264 4000 78 2575 1347 -254.3 ± 6.76 604 1289 107 0 0 -624.36 ± 33.27
ncm-dbt-03 06:29:08 586496 4000 58 2595 1347 -260.05 ± 6.75 620 1298 81 1 0 -669.55 ± 38.41
ncm-dbt-04 06:28:16 569018 4000 68 2570 1362 -255.01 ± 6.67 598 1306 96 0 0 -643.69 ± 35.18
ncm-dbt-05 06:30:07 582998 3998 65 2571 1362 -255.76 ± 6.63 596 1315 87 1 0 -657.07 ± 37.02
20000 345 12895 6760 -256.16 ± 3.0 3028 6496 474 2 0 -644.44 ± 15.68

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
465665 ncm-dbt-01 584369 2 0 2 0 -1041.08 ± 395.59 1 0 0 0 0 -1129.65 ± 376.02
465664 ncm-dbt-05 583572 498 9 320 169 -254.44 ± 19.4 75 162 11 1 0 -628.72 ± 115.29
465663 ncm-dbt-02 586308 500 10 330 160 -263.41 ± 19.95 82 156 12 0 0 -643.67 ± 110.29
465662 ncm-dbt-04 567522 500 11 319 170 -249.64 ± 18.47 71 166 13 0 0 -629.41 ± 104.8
465661 ncm-dbt-01 582485 500 9 325 166 -258.74 ± 19.36 78 160 12 0 0 -643.67 ± 110.29
465660 ncm-dbt-03 584958 500 7 319 174 -254.15 ± 18.78 74 164 12 0 0 -643.67 ± 110.29
465659 ncm-dbt-05 582027 500 8 326 166 -261.07 ± 18.83 77 164 9 0 0 -694.7 ± 134.18
465658 ncm-dbt-02 583321 500 9 328 163 -262.24 ± 19.8 81 157 12 0 0 -643.67 ± 110.29
465657 ncm-dbt-04 569509 500 5 317 178 -254.15 ± 18.78 74 164 12 0 0 -643.67 ± 110.29
465656 ncm-dbt-01 586604 500 8 325 167 -259.9 ± 18.69 76 165 9 0 0 -694.7 ± 134.18
465655 ncm-dbt-03 584664 500 7 318 175 -253.02 ± 18.64 73 165 12 0 0 -643.67 ± 110.29
465654 ncm-dbt-05 582987 500 7 321 172 -256.44 ± 18.8 75 164 11 0 0 -659.13 ± 116.77
465653 ncm-dbt-04 568196 500 12 314 174 -243.0 ± 18.13 67 168 15 0 0 -603.84 ± 95.91
465652 ncm-dbt-02 587749 500 8 322 170 -256.44 ± 18.8 75 164 11 0 0 -659.13 ± 116.77
465651 ncm-dbt-01 582277 500 11 322 167 -253.02 ± 19.42 76 159 15 0 0 -603.84 ± 95.91
465650 ncm-dbt-03 587749 500 5 325 170 -263.41 ± 19.68 80 161 8 1 0 -676.08 ± 142.43
465649 ncm-dbt-05 583531 500 10 328 162 -261.07 ± 19.38 79 160 11 0 0 -659.13 ± 116.77
465648 ncm-dbt-04 569549 500 9 324 167 -257.59 ± 19.75 79 157 14 0 0 -616.18 ± 100.06
465647 ncm-dbt-02 587452 500 12 310 178 -238.65 ± 18.55 67 164 19 0 0 -561.34 ± 83.33
465646 ncm-dbt-01 585421 500 11 330 159 -262.24 ± 20.59 84 151 15 0 0 -603.84 ± 95.91
465645 ncm-dbt-03 588515 500 10 338 152 -272.99 ± 20.85 89 150 11 0 0 -659.13 ± 116.77
465644 ncm-dbt-05 583866 500 8 321 171 -255.29 ± 18.93 75 163 12 0 0 -643.67 ± 110.29
465643 ncm-dbt-04 571150 500 6 333 161 -271.78 ± 20.43 87 153 10 0 0 -676.04 ± 124.55
465642 ncm-dbt-01 584453 500 9 332 159 -266.96 ± 20.39 85 153 12 0 0 -643.67 ± 110.29
465641 ncm-dbt-02 587579 500 4 326 170 -265.77 ± 18.55 78 166 6 0 0 -766.17 ± 188.02
465640 ncm-dbt-03 585169 500 8 321 171 -255.29 ± 18.11 72 169 9 0 0 -694.7 ± 134.18
465639 ncm-dbt-05 583279 500 9 313 178 -245.19 ± 17.9 67 170 13 0 0 -629.41 ± 104.8
465638 ncm-dbt-04 567640 500 7 331 162 -268.16 ± 19.99 84 156 10 0 0 -676.04 ± 124.55
465637 ncm-dbt-03 587919 500 8 322 170 -256.44 ± 18.25 73 168 9 0 0 -694.7 ± 134.18
465636 ncm-dbt-02 588004 500 16 327 157 -253.02 ± 20.67 81 149 20 0 0 -552.07 ± 80.89
465635 ncm-dbt-01 587452 500 10 320 170 -251.89 ± 18.76 73 164 13 0 0 -629.41 ± 104.8
465634 ncm-dbt-05 581236 500 6 329 165 -266.96 ± 19.56 82 159 9 0 0 -694.7 ± 134.18
465633 ncm-dbt-04 569949 500 9 314 177 -246.3 ± 17.78 67 171 12 0 0 -643.67 ± 110.29
465632 ncm-dbt-01 584034 500 10 316 174 -247.41 ± 18.44 70 166 14 0 0 -616.18 ± 100.06
465631 ncm-dbt-03 585506 500 5 324 171 -262.24 ± 18.7 77 165 8 0 0 -715.51 ± 146.53
465630 ncm-dbt-02 584327 500 9 316 175 -248.52 ± 17.79 68 171 11 0 0 -659.13 ± 116.77
465629 ncm-dbt-04 568633 500 9 318 173 -250.76 ± 17.81 69 171 10 0 0 -676.04 ± 124.55
465628 ncm-dbt-05 583489 500 8 313 179 -246.3 ± 17.51 66 173 11 0 0 -659.13 ± 116.77
465627 ncm-dbt-01 583614 500 8 312 180 -245.19 ± 17.9 67 170 13 0 0 -629.41 ± 104.8
465626 ncm-dbt-03 587494 500 8 328 164 -263.41 ± 19.95 82 156 12 0 0 -643.67 ± 110.29
465625 ncm-dbt-02 585379 500 10 316 174 -247.41 ± 18.96 72 162 16 0 0 -592.27 ± 92.24

Commit

Commit ID fb8095718bd0789d2743fa6216c6aa522555dc4b
Author xoto10
Date 2020-05-26 05:11:59 UTC
In BlockedStorm, theirPawns includes ones attacked by us. Pawns heading towards our king tend to be dangerous whether or not we are attacking them so remove this test. STC: LLR: 2.93 (-2.94,2.94) {-1.50,0.50} Total: 91184 W: 18196 L: 18137 D: 54851 Ptnml(0-2): 1580, 10656, 21092, 10653, 1611 https://tests.stockfishchess.org/tests/view/5ecc3f7080f2c838b9655841 LTC: LLR: 2.93 (-2.94,2.94) {-1.50,0.50} Total: 14152 W: 2045 L: 1937 D: 10170 Ptnml(0-2): 99, 1325, 4130, 1413, 109 https://tests.stockfishchess.org/tests/view/5ecc4f3180f2c838b9655861 closes https://github.com/official-stockfish/Stockfish/pull/2702 Bench 4828973
Copyright 2011–2026 Next Chess Move LLC