Dev Builds » 20191210-0707

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 06:28:40 584205 4000 41 2565 1394 -258.17 ± 6.47 592 1340 68 0 0 -704.84 ± 42.05
ncm-dbt-02 06:28:25 592155 4000 61 2561 1378 -254.73 ± 6.55 583 1337 78 1 1 -671.7 ± 39.15
ncm-dbt-03 06:29:32 586129 4000 53 2573 1374 -257.59 ± 6.6 599 1324 75 2 0 -678.31 ± 39.95
ncm-dbt-04 06:28:23 568646 4014 72 2602 1340 -257.76 ± 6.7 612 1307 87 1 0 -657.78 ± 37.02
ncm-dbt-05 06:29:49 583273 3986 61 2567 1358 -256.85 ± 6.67 599 1310 82 2 0 -662.63 ± 38.15
20000 288 12868 6844 -257.02 ± 2.95 2985 6618 390 6 1 -674.31 ± 17.29

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
475409 ncm-dbt-04 569071 14 0 10 4 -310.89 ± 151.57 3 4 0 0 0 -1199.83 ± 201.74
475408 ncm-dbt-05 582611 486 12 317 157 -256.2 ± 20.23 76 154 12 1 0 -611.13 ± 109.17
475407 ncm-dbt-01 585084 500 8 310 182 -243.0 ± 17.61 65 172 13 0 0 -629.41 ± 104.8
475406 ncm-dbt-03 586520 500 10 310 180 -240.82 ± 18.09 65 171 13 1 0 -603.86 ± 103.96
475405 ncm-dbt-02 592374 500 11 332 157 -264.59 ± 20.89 86 149 15 0 0 -603.84 ± 95.91
475404 ncm-dbt-04 571391 500 8 319 173 -253.02 ± 17.82 70 171 9 0 0 -694.7 ± 134.18
475403 ncm-dbt-05 583279 500 7 310 183 -244.09 ± 17.49 65 173 12 0 0 -643.67 ± 110.29
475402 ncm-dbt-01 583237 500 7 325 168 -261.07 ± 18.83 77 164 9 0 0 -694.7 ± 134.18
475401 ncm-dbt-03 586646 500 9 320 171 -253.02 ± 19.17 75 161 14 0 0 -616.18 ± 100.06
475400 ncm-dbt-04 567759 500 8 312 180 -245.2 ± 17.63 65 175 9 1 0 -659.17 ± 131.36
475399 ncm-dbt-02 591857 500 4 320 176 -258.74 ± 17.09 70 176 4 0 0 -837.28 ± 240.94
475398 ncm-dbt-01 585169 500 4 322 174 -261.07 ± 17.97 74 170 6 0 0 -766.17 ± 188.02
475397 ncm-dbt-05 581652 500 7 325 168 -261.07 ± 19.38 79 160 11 0 0 -659.13 ± 116.77
475396 ncm-dbt-03 585801 500 7 319 174 -254.16 ± 19.05 74 165 10 1 0 -643.7 ± 122.54
475395 ncm-dbt-04 568673 500 11 325 164 -256.44 ± 19.86 79 156 15 0 0 -603.84 ± 95.91
475394 ncm-dbt-02 595237 500 11 317 172 -247.41 ± 18.44 70 166 14 0 0 -616.18 ± 100.06
475393 ncm-dbt-01 583447 500 4 314 182 -251.89 ± 17.68 69 172 9 0 0 -694.7 ± 134.18
475392 ncm-dbt-03 587282 500 8 320 172 -254.15 ± 18.24 72 168 10 0 0 -676.04 ± 124.55
475391 ncm-dbt-05 583992 500 12 307 181 -235.44 ± 17.12 60 175 15 0 0 -603.84 ± 95.91
475390 ncm-dbt-04 565587 500 9 306 185 -237.58 ± 16.07 57 183 10 0 0 -676.04 ± 124.55
475389 ncm-dbt-02 592806 500 6 316 178 -251.89 ± 18.76 69 175 4 1 1 -715.55 ± 214.27
475388 ncm-dbt-01 581943 500 5 331 164 -270.57 ± 20.0 85 156 9 0 0 -694.7 ± 134.18
475387 ncm-dbt-03 585928 500 2 334 164 -277.92 ± 19.09 85 162 3 0 0 -887.58 ± 222.18
475386 ncm-dbt-05 580572 500 7 326 167 -262.24 ± 18.98 78 163 9 0 0 -694.7 ± 134.18
475385 ncm-dbt-02 591469 500 9 321 170 -254.15 ± 18.52 73 166 11 0 0 -659.13 ± 116.77
475384 ncm-dbt-04 570108 500 10 328 162 -261.07 ± 19.11 78 162 10 0 0 -676.04 ± 124.55
475383 ncm-dbt-03 585464 500 7 332 161 -269.36 ± 19.57 83 159 8 0 0 -715.51 ± 146.53
475382 ncm-dbt-04 568713 500 8 334 158 -270.57 ± 20.56 87 152 11 0 0 -659.13 ± 116.77
475381 ncm-dbt-01 586393 500 4 324 172 -263.41 ± 18.55 77 166 7 0 0 -739.05 ± 163.27
475380 ncm-dbt-02 591168 500 8 314 178 -247.41 ± 17.92 68 170 12 0 0 -643.67 ± 110.29
475379 ncm-dbt-05 585843 500 5 327 168 -265.77 ± 18.84 79 164 7 0 0 -739.05 ± 163.27
475378 ncm-dbt-04 568991 500 11 326 163 -257.59 ± 19.75 79 157 14 0 0 -616.18 ± 100.06
475377 ncm-dbt-01 582778 500 2 327 171 -269.36 ± 18.38 79 167 4 0 0 -837.28 ± 240.94
475376 ncm-dbt-03 585632 500 6 319 175 -255.29 ± 18.11 72 169 9 0 0 -694.7 ± 134.18
475375 ncm-dbt-02 591168 500 6 308 186 -243.0 ± 16.52 61 180 9 0 0 -694.7 ± 134.18
475374 ncm-dbt-05 584327 500 6 324 170 -261.07 ± 19.11 78 162 10 0 0 -676.04 ± 124.55
475373 ncm-dbt-01 585590 500 7 312 181 -246.3 ± 17.51 66 173 11 0 0 -659.13 ± 116.77
475372 ncm-dbt-04 567522 500 7 342 151 -281.67 ± 21.34 94 147 9 0 0 -694.7 ± 134.18
475371 ncm-dbt-02 591168 500 6 333 161 -271.78 ± 20.15 86 155 9 0 0 -694.7 ± 134.18
475370 ncm-dbt-03 585759 500 4 319 177 -257.59 ± 18.12 73 169 8 0 0 -715.51 ± 146.53
475369 ncm-dbt-05 583908 500 5 331 164 -270.57 ± 20.0 84 159 6 1 0 -715.55 ± 177.2

Commit

Commit ID b6482472a03833287dc21bdaa783f156978ac63e
Author Guenther Demetz
Date 2019-12-10 07:07:34 UTC
Refine improving-logic Don't rely on the assumption that we are improving after surviving a check. Instead, compare with the static eval of 2 moves before. STC https://tests.stockfishchess.org/tests/view/5dedfd7f3cff9a249bb9e44d LLR: 2.95 (-2.94,2.94) [-1.50,4.50] Total: 38859 W: 8621 L: 8397 D: 21841 LTC https://tests.stockfishchess.org/tests/view/5dee1b5a3cff9a249bb9e465 LLR: 2.95 (-2.94,2.94) [0.00,3.50] Total: 51130 W: 8308 L: 7996 D: 34826 Bench: 5371271
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