Dev Builds » 20200808-0640

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 06:29:52 582823 4000 74 2557 1369 -252.32 ± 6.64 585 1315 98 2 0 -632.9 ± 34.82
ncm-dbt-02 06:30:48 585391 4000 75 2553 1372 -251.61 ± 6.62 582 1315 102 1 0 -629.43 ± 34.11
ncm-dbt-03 06:31:01 586383 3998 71 2547 1380 -251.5 ± 6.61 581 1314 104 0 0 -629.34 ± 33.76
ncm-dbt-04 06:30:55 567327 3986 63 2538 1385 -252.41 ± 6.59 580 1315 98 0 0 -639.4 ± 34.81
ncm-dbt-05 06:31:59 580991 4016 64 2540 1412 -249.94 ± 6.35 556 1366 84 2 0 -659.88 ± 37.68
20000 347 12735 6918 -251.55 ± 2.93 2884 6625 486 5 0 -637.86 ± 15.48

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
438426 ncm-dbt-05 580365 16 0 12 4 -337.67 ± 166.31 4 4 0 0 0 -1199.83 ± 190.04
438425 ncm-dbt-04 566375 486 8 308 170 -250.36 ± 18.38 68 164 11 0 0 -654.09 ± 116.73
438424 ncm-dbt-03 585464 498 8 320 170 -255.58 ± 18.75 74 164 11 0 0 -658.42 ± 116.76
438423 ncm-dbt-01 581902 500 4 339 157 -281.67 ± 20.15 90 155 5 0 0 -798.18 ± 231.48
438422 ncm-dbt-02 586689 500 8 299 193 -231.21 ± 16.54 55 182 12 1 0 -616.2 ± 109.19
438421 ncm-dbt-05 580821 500 12 329 159 -259.9 ± 20.3 82 153 15 0 0 -603.84 ± 95.91
438420 ncm-dbt-04 566651 500 3 315 182 -254.15 ± 18.24 72 168 10 0 0 -676.04 ± 124.55
438419 ncm-dbt-03 587877 500 13 322 165 -250.76 ± 19.39 75 159 16 0 0 -592.27 ± 92.24
438418 ncm-dbt-01 580530 500 15 314 171 -239.74 ± 18.45 66 168 15 1 0 -581.4 ± 95.42
438417 ncm-dbt-02 586477 500 7 318 175 -253.02 ± 17.54 69 173 8 0 0 -715.51 ± 146.53
438416 ncm-dbt-05 582652 500 6 313 181 -248.52 ± 17.52 67 173 10 0 0 -676.04 ± 124.55
438415 ncm-dbt-04 567442 500 9 305 186 -236.51 ± 17.0 60 176 14 0 0 -616.18 ± 100.06
438414 ncm-dbt-01 584034 500 9 315 176 -247.41 ± 18.18 69 168 13 0 0 -629.41 ± 104.8
438413 ncm-dbt-03 586477 500 9 316 175 -248.52 ± 18.59 71 165 14 0 0 -616.18 ± 100.06
438412 ncm-dbt-02 581277 500 10 320 170 -251.89 ± 19.02 74 162 14 0 0 -616.18 ± 100.06
438411 ncm-dbt-05 581985 500 6 311 183 -246.3 ± 16.96 64 177 9 0 0 -694.7 ± 134.18
438410 ncm-dbt-04 567918 500 3 316 181 -255.29 ± 18.66 74 165 11 0 0 -659.13 ± 116.77
438409 ncm-dbt-01 584579 500 6 328 166 -265.77 ± 19.41 81 160 9 0 0 -694.7 ± 134.18
438408 ncm-dbt-02 586816 500 8 329 163 -264.59 ± 19.55 81 159 10 0 0 -676.04 ± 124.55
438407 ncm-dbt-03 585169 500 10 315 175 -246.3 ± 19.31 73 159 18 0 0 -571.09 ± 86.01
438406 ncm-dbt-05 582736 500 9 311 180 -243.0 ± 17.07 63 176 11 0 0 -659.13 ± 116.77
438405 ncm-dbt-04 569111 500 10 334 156 -268.16 ± 20.81 87 150 13 0 0 -629.41 ± 104.8
438404 ncm-dbt-01 582903 500 13 319 168 -247.41 ± 19.21 73 160 17 0 0 -581.38 ± 88.96
438403 ncm-dbt-02 584664 500 8 324 168 -258.74 ± 18.54 75 166 9 0 0 -694.7 ± 134.18
438402 ncm-dbt-03 585632 500 10 315 175 -246.3 ± 17.51 66 173 11 0 0 -659.13 ± 116.77
438401 ncm-dbt-05 580987 500 5 321 174 -258.74 ± 17.98 73 170 7 0 0 -739.05 ± 163.27
438400 ncm-dbt-04 564370 500 7 317 176 -251.89 ± 17.95 70 170 10 0 0 -676.04 ± 124.55
438399 ncm-dbt-01 583656 500 7 314 179 -248.52 ± 18.06 69 169 12 0 0 -643.67 ± 110.29
438398 ncm-dbt-03 587113 500 9 311 180 -243.0 ± 17.34 64 174 12 0 0 -643.67 ± 110.29
438397 ncm-dbt-02 587834 500 6 318 176 -254.15 ± 18.52 73 166 11 0 0 -659.13 ± 116.77
438396 ncm-dbt-05 576169 500 9 319 172 -251.89 ± 18.76 73 164 13 0 0 -629.41 ± 104.8
438395 ncm-dbt-04 568355 500 13 323 164 -251.89 ± 19.53 76 158 16 0 0 -592.27 ± 92.24
438394 ncm-dbt-03 586774 500 7 323 170 -258.74 ± 19.36 78 160 12 0 0 -643.67 ± 110.29
438393 ncm-dbt-01 584076 500 8 316 176 -249.64 ± 17.67 68 172 10 0 0 -676.04 ± 124.55
438392 ncm-dbt-02 583028 500 12 327 161 -257.59 ± 20.51 82 151 17 0 0 -581.38 ± 88.96
438391 ncm-dbt-05 577151 500 4 310 186 -247.41 ± 16.53 63 180 7 0 0 -739.05 ± 163.27
438390 ncm-dbt-04 568395 500 10 320 170 -251.89 ± 18.76 73 164 13 0 0 -629.41 ± 104.8
438389 ncm-dbt-03 586562 500 5 325 170 -263.41 ± 19.4 80 160 10 0 0 -676.04 ± 124.55
438388 ncm-dbt-01 580904 500 12 312 176 -240.82 ± 19.07 69 163 17 1 0 -561.36 ± 88.68
438387 ncm-dbt-02 586350 500 16 318 166 -243.0 ± 19.6 73 156 21 0 0 -543.23 ± 78.65
438386 ncm-dbt-05 586054 500 13 314 173 -241.91 ± 18.73 67 169 12 2 0 -592.29 ± 106.46

Commit

Commit ID 23ecf3d5c6ffbcfbe45acd2afcf503929474a4db
Author U-DESKTOP-3900\Mark
Date 2020-08-08 06:40:51 UTC
simplified and increased threshold to switch between NNUE and classical STC https://tests.stockfishchess.org/tests/view/5f2deb1661e3b6af6488200f LLR: 2.96 (-2.94,2.94) {-1.50,0.50} Total: 10376 W: 1481 L: 1359 D: 7536 Ptnml(0-2): 91, 953, 2981, 1069, 94 LTC: https://tests.stockfishchess.org/html/live_elo.html?5f2e0a0461e3b6af64882019 LLR: 2.99 (-2.94,2.94) {-1.50,0.50} Total: 5040 W: 375 L: 315 D: 4350 Ptnml(0-2): 7, 263, 1926, 311, 13 closes https://github.com/official-stockfish/Stockfish/pull/2934 Bench: 4067325
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