Dev Builds » 20200523-2010

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 06:29:50 583152 4010 57 2616 1337 -262.33 ± 6.79 634 1291 80 0 0 -676.52 ± 38.65
ncm-dbt-02 06:29:28 586112 4006 71 2590 1345 -256.91 ± 6.7 607 1306 89 1 0 -653.48 ± 36.59
ncm-dbt-03 06:29:40 587105 3986 58 2578 1350 -258.87 ± 6.78 617 1286 90 0 0 -654.55 ± 36.37
ncm-dbt-04 06:29:05 568068 4004 69 2576 1359 -255.37 ± 6.56 591 1325 86 0 0 -663.42 ± 37.23
ncm-dbt-05 06:30:17 581550 3994 59 2573 1362 -257.27 ± 6.73 607 1302 86 2 0 -654.91 ± 37.23
20000 314 12933 6753 -258.14 ± 3.0 3056 6510 431 3 0 -660.38 ± 16.45

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
440457 ncm-dbt-02 583405 6 0 4 2 -278.86 ± 222.92 1 2 0 0 0 -1199.83 ± 276.48
440456 ncm-dbt-04 569949 4 0 3 1 -336.56 ± 527.33 1 1 0 0 0 -1199.83 ± 312.71
440455 ncm-dbt-01 582819 10 0 8 2 -380.95 ± 484.13 3 2 0 0 0 -1199.83 ± 231.31
440454 ncm-dbt-03 586943 486 7 312 167 -256.19 ± 19.13 73 159 11 0 0 -654.09 ± 116.73
440453 ncm-dbt-05 581444 494 6 323 165 -264.42 ± 20.51 82 154 10 1 0 -641.55 ± 122.53
440452 ncm-dbt-04 566928 500 6 317 177 -253.02 ± 17.82 70 171 9 0 0 -694.7 ± 134.18
440451 ncm-dbt-02 587409 500 16 315 169 -239.73 ± 18.93 69 161 20 0 0 -552.07 ± 80.89
440450 ncm-dbt-01 583363 500 9 314 177 -246.3 ± 18.04 68 169 13 0 0 -629.41 ± 104.8
440449 ncm-dbt-03 584243 500 7 318 175 -253.02 ± 18.91 74 163 13 0 0 -629.41 ± 104.8
440448 ncm-dbt-05 580821 500 4 319 177 -257.59 ± 18.95 75 166 8 1 0 -676.08 ± 142.43
440447 ncm-dbt-02 586985 500 7 319 174 -254.15 ± 17.4 69 174 7 0 0 -739.05 ± 163.27
440446 ncm-dbt-04 567165 500 8 320 172 -254.15 ± 18.24 72 168 10 0 0 -676.04 ± 124.55
440445 ncm-dbt-01 584706 500 4 336 160 -277.92 ± 20.01 88 156 6 0 0 -766.17 ± 188.02
440444 ncm-dbt-03 588728 500 10 315 175 -246.3 ± 18.04 68 169 13 0 0 -629.41 ± 104.8
440443 ncm-dbt-05 575354 500 6 331 163 -269.36 ± 19.28 82 161 7 0 0 -739.05 ± 163.27
440442 ncm-dbt-04 569470 500 13 315 172 -243.0 ± 17.87 66 170 14 0 0 -616.18 ± 100.06
440441 ncm-dbt-02 586520 500 13 329 158 -258.75 ± 20.66 82 153 14 1 0 -592.29 ± 99.42
440440 ncm-dbt-01 583908 500 10 320 170 -251.89 ± 17.95 70 170 10 0 0 -676.04 ± 124.55
440439 ncm-dbt-05 581777 500 4 325 171 -264.59 ± 18.11 76 169 5 0 0 -798.18 ± 231.48
440438 ncm-dbt-03 586901 500 3 338 159 -281.67 ± 20.45 91 153 6 0 0 -766.17 ± 188.02
440437 ncm-dbt-04 569629 500 11 340 149 -274.22 ± 21.55 92 145 13 0 0 -629.41 ± 104.8
440436 ncm-dbt-02 587155 500 8 329 163 -264.59 ± 19.27 80 161 9 0 0 -694.7 ± 134.18
440435 ncm-dbt-01 584916 500 7 333 160 -270.57 ± 20.28 86 154 10 0 0 -676.04 ± 124.55
440434 ncm-dbt-05 582027 500 5 327 168 -265.77 ± 19.69 82 158 10 0 0 -676.04 ± 124.55
440433 ncm-dbt-03 588856 500 8 324 168 -258.74 ± 19.09 77 162 11 0 0 -659.13 ± 116.77
440432 ncm-dbt-02 585717 500 5 325 170 -263.41 ± 18.84 78 164 8 0 0 -715.51 ± 146.53
440431 ncm-dbt-04 566414 500 5 313 182 -249.64 ± 17.11 66 176 8 0 0 -715.51 ± 146.53
440430 ncm-dbt-01 582861 500 6 313 181 -248.52 ± 17.52 67 173 10 0 0 -676.04 ± 124.55
440429 ncm-dbt-05 581777 500 12 325 163 -255.29 ± 19.46 77 159 14 0 0 -616.18 ± 100.06
440428 ncm-dbt-03 587579 500 8 308 184 -240.82 ± 17.32 63 174 13 0 0 -629.41 ± 104.8
440427 ncm-dbt-02 585928 500 6 327 167 -264.59 ± 18.98 79 163 8 0 0 -715.51 ± 146.53
440426 ncm-dbt-04 570749 500 7 324 169 -259.9 ± 18.69 76 165 9 0 0 -694.7 ± 134.18
440425 ncm-dbt-01 582152 500 5 331 164 -270.57 ± 19.71 84 158 8 0 0 -715.51 ± 146.53
440424 ncm-dbt-05 583614 500 12 305 183 -233.32 ± 17.58 61 171 18 0 0 -571.09 ± 86.01
440423 ncm-dbt-03 587749 500 6 326 168 -263.41 ± 19.12 79 162 9 0 0 -694.7 ± 134.18
440422 ncm-dbt-04 566138 500 12 319 169 -248.52 ± 18.59 71 165 14 0 0 -616.18 ± 100.06
440421 ncm-dbt-02 585674 500 8 321 171 -255.29 ± 18.11 72 169 9 0 0 -694.7 ± 134.18
440420 ncm-dbt-01 580489 500 9 324 167 -257.59 ± 19.49 78 159 13 0 0 -629.41 ± 104.8
440419 ncm-dbt-03 585843 500 9 337 154 -272.99 ± 21.67 92 144 14 0 0 -616.18 ± 100.06
440418 ncm-dbt-04 566178 500 7 325 168 -261.07 ± 18.83 77 164 9 0 0 -694.7 ± 134.18
440417 ncm-dbt-02 586223 500 8 321 171 -255.29 ± 19.46 77 159 14 0 0 -616.18 ± 100.06
440416 ncm-dbt-05 585590 500 10 318 172 -249.64 ± 18.73 72 164 14 0 0 -616.18 ± 100.06
440415 ncm-dbt-01 583154 500 7 337 156 -275.44 ± 20.87 90 150 10 0 0 -676.04 ± 124.55

Commit

Commit ID 81c58855e43572e5493497a9894ac5060936005c
Author ElbertoOne
Date 2020-05-23 20:10:14 UTC
Remove and replace DoubledIsolated penalty by Doubled The values for both penalties were very close, so DoubledIsolated can be removed and replaced by Doubled. Passed STC (simplification): https://tests.stockfishchess.org/tests/view/5ec7c18e2a585b485af54407 LLR: 2.97 (-2.94,2.94) {-1.50,0.50} Total: 105360 W: 20175 L: 20136 D: 65049 Ptnml(0-2): 1803, 12230, 24572, 12275, 1800 Passed LTC: LLR: 2.94 (-2.94,2.94) {-1.50,0.50} Total: 15440 W: 1978 L: 1877 D: 11585 Ptnml(0-2): 92, 1405, 4667, 1422, 134 closes https://github.com/official-stockfish/Stockfish/pull/2696 Bench: 4668875
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