Dev Builds » 20200613-0510

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 06:30:01 582586 4006 73 2545 1388 -250.25 ± 6.56 573 1328 100 2 0 -629.7 ± 34.46
ncm-dbt-02 06:27:32 586920 4000 78 2529 1393 -247.83 ± 6.44 554 1344 101 1 0 -631.16 ± 34.28
ncm-dbt-03 06:29:23 585883 4000 72 2578 1350 -255.58 ± 6.62 596 1314 90 0 0 -655.17 ± 36.37
ncm-dbt-04 06:29:30 566401 4006 62 2558 1386 -253.63 ± 6.44 576 1344 83 0 0 -669.81 ± 37.92
ncm-dbt-05 06:30:54 579996 3988 65 2544 1379 -252.8 ± 6.62 583 1314 96 1 0 -639.49 ± 35.19
20000 350 12754 6896 -252.01 ± 2.92 2882 6644 470 4 0 -644.44 ± 15.74

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
444528 ncm-dbt-01 582694 6 0 3 3 -190.46 ± 18.51 0 3 0 0 0 -1199.83 ± 276.48
444527 ncm-dbt-04 568275 6 0 5 1 -415.05 ± 489.74 2 1 0 0 0 -1199.83 ± 276.48
444526 ncm-dbt-05 580572 488 10 300 178 -237.72 ± 18.51 64 162 18 0 0 -566.71 ± 85.99
444525 ncm-dbt-03 585042 500 10 331 159 -264.59 ± 19.82 82 157 11 0 0 -659.13 ± 116.77
444524 ncm-dbt-04 569789 500 12 319 169 -248.52 ± 19.35 74 159 17 0 0 -581.38 ± 88.96
444523 ncm-dbt-02 587962 500 9 324 167 -257.59 ± 18.95 76 163 11 0 0 -659.13 ± 116.77
444522 ncm-dbt-01 583070 500 9 307 184 -238.66 ± 18.05 64 171 14 1 0 -592.29 ± 99.42
444521 ncm-dbt-05 581070 500 6 321 173 -257.59 ± 18.68 74 168 7 1 0 -694.74 ± 156.93
444520 ncm-dbt-03 584958 500 11 317 172 -247.41 ± 18.18 69 168 13 0 0 -629.41 ± 104.8
444519 ncm-dbt-04 566967 500 4 317 179 -255.29 ± 16.96 68 177 5 0 0 -798.18 ± 231.48
444518 ncm-dbt-02 583908 500 8 318 174 -251.89 ± 18.5 72 166 12 0 0 -643.67 ± 110.29
444517 ncm-dbt-01 582444 500 8 311 181 -244.09 ± 17.22 64 175 11 0 0 -659.13 ± 116.77
444516 ncm-dbt-05 579372 500 6 325 169 -262.24 ± 18.41 76 167 7 0 0 -739.05 ± 163.27
444515 ncm-dbt-02 587452 500 10 311 179 -241.91 ± 17.46 64 173 13 0 0 -629.41 ± 104.8
444514 ncm-dbt-01 584622 500 11 321 168 -251.89 ± 19.02 74 162 14 0 0 -616.18 ± 100.06
444513 ncm-dbt-04 563002 500 8 321 171 -255.29 ± 18.39 73 167 10 0 0 -676.04 ± 124.55
444512 ncm-dbt-03 587707 500 9 317 174 -249.64 ± 18.47 71 166 13 0 0 -629.41 ± 104.8
444511 ncm-dbt-03 586266 500 11 327 162 -258.74 ± 19.89 80 156 14 0 0 -616.18 ± 100.06
444510 ncm-dbt-04 560982 500 8 325 167 -259.9 ± 18.69 76 165 9 0 0 -694.7 ± 134.18
444509 ncm-dbt-05 581569 500 8 321 171 -255.29 ± 18.66 74 165 11 0 0 -659.13 ± 116.77
444508 ncm-dbt-02 582945 500 9 308 183 -239.73 ± 17.44 63 173 14 0 0 -616.18 ± 100.06
444507 ncm-dbt-01 580075 500 7 319 174 -254.16 ± 19.05 74 165 10 1 0 -643.7 ± 122.54
444506 ncm-dbt-04 568593 500 13 308 179 -235.44 ± 18.36 65 165 20 0 0 -552.07 ± 80.89
444505 ncm-dbt-03 583950 500 7 333 160 -270.57 ± 19.42 83 160 7 0 0 -739.05 ± 163.27
444504 ncm-dbt-02 588515 500 8 317 175 -250.76 ± 18.62 71 168 10 1 0 -643.7 ± 122.54
444503 ncm-dbt-01 581153 500 13 324 163 -253.02 ± 18.91 74 163 13 0 0 -629.41 ± 104.8
444502 ncm-dbt-05 578630 500 10 322 168 -254.15 ± 19.05 75 162 13 0 0 -629.41 ± 104.8
444501 ncm-dbt-02 588941 500 8 315 177 -248.52 ± 17.52 67 173 10 0 0 -676.04 ± 124.55
444500 ncm-dbt-04 566099 500 8 312 180 -245.19 ± 17.36 65 174 11 0 0 -659.13 ± 116.77
444499 ncm-dbt-03 587834 500 8 308 184 -240.82 ± 16.51 60 180 10 0 0 -676.04 ± 124.55
444498 ncm-dbt-05 582152 500 12 315 173 -244.09 ± 18.01 67 169 14 0 0 -616.18 ± 100.06
444497 ncm-dbt-01 584790 500 2 318 180 -258.74 ± 17.68 72 172 6 0 0 -766.17 ± 188.02
444496 ncm-dbt-02 590138 500 12 323 165 -253.02 ± 19.17 75 161 14 0 0 -616.18 ± 100.06
444495 ncm-dbt-04 565587 500 5 329 166 -268.16 ± 18.54 79 166 5 0 0 -798.18 ± 231.48
444494 ncm-dbt-03 586223 500 7 323 170 -258.74 ± 19.09 77 162 11 0 0 -659.13 ± 116.77
444493 ncm-dbt-05 579661 500 5 316 179 -253.02 ± 19.17 75 161 14 0 0 -616.18 ± 100.06
444492 ncm-dbt-01 582235 500 8 317 175 -250.76 ± 18.62 72 165 13 0 0 -629.41 ± 104.8
444491 ncm-dbt-02 585506 500 14 313 173 -239.73 ± 18.2 66 167 17 0 0 -581.38 ± 88.96
444490 ncm-dbt-04 568315 500 4 322 174 -261.07 ± 17.97 74 170 6 0 0 -766.17 ± 188.02
444489 ncm-dbt-03 585084 500 9 322 169 -255.29 ± 18.66 74 165 11 0 0 -659.13 ± 116.77
444488 ncm-dbt-01 582193 500 15 325 160 -251.89 ± 20.28 79 152 19 0 0 -561.34 ± 83.33
444487 ncm-dbt-05 576946 500 8 324 168 -258.74 ± 19.36 78 160 12 0 0 -643.67 ± 110.29

Commit

Commit ID 4d657618e956decdd51bceca77c2c5489dfcf6af
Author Joost VandeVondele
Date 2020-06-13 05:10:34 UTC
Quantize eval to multiples of 16 Removes some excess precision, helps searchs. Effectively reintroduces evaluation grain, with a slightly different context. https://github.com/official-stockfish/Stockfish/commit/45dbd9cd0303d0db469670af8ec3598731a4eace passed STC LLR: 2.97 (-2.94,2.94) {-0.50,1.50} Total: 197032 W: 37938 L: 37462 D: 121632 Ptnml(0-2): 3359, 22994, 45446, 23246, 3471 https://tests.stockfishchess.org/tests/view/5ee0c228f29b40b0fc95ae53 passed LTC LLR: 2.94 (-2.94,2.94) {0.25,1.75} Total: 77696 W: 9970 L: 9581 D: 58145 Ptnml(0-2): 530, 7075, 23311, 7340, 592 https://tests.stockfishchess.org/tests/view/5ee21426f29b40b0fc95af43 passed LTC SMP LLR: 2.96 (-2.94,2.94) {0.25,1.75} Total: 64136 W: 7425 L: 7091 D: 49620 Ptnml(0-2): 345, 5416, 20228, 5718, 361 https://tests.stockfishchess.org/tests/view/5ee387bbf29b40b0fc95b04c closes https://github.com/official-stockfish/Stockfish/pull/2733 Bench: 4939103
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