Dev Builds » 20190609-1226

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 06:27:07 583971 4000 41 2672 1287 -274.07 ± 6.97 685 1261 54 0 0 -745.5 ± 47.43
ncm-dbt-02 06:27:20 591773 4000 53 2644 1303 -268.02 ± 6.93 662 1267 71 0 0 -697.2 ± 41.11
ncm-dbt-03 06:28:02 578843 4000 54 2708 1238 -277.61 ± 7.29 721 1212 67 0 0 -707.45 ± 42.37
ncm-dbt-04 06:28:32 568484 4002 42 2674 1286 -274.02 ± 6.98 685 1263 52 1 0 -745.59 ± 48.37
ncm-dbt-05 06:27:55 607130 3998 44 2677 1277 -274.58 ± 7.08 694 1245 60 0 0 -726.84 ± 44.88
20000 234 13375 6391 -273.64 ± 3.15 3447 6248 304 1 0 -723.45 ± 19.61

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
481412 ncm-dbt-04 568395 2 0 1 1 -189.7 ± 55.98 0 1 0 0 0 -1129.65 ± 376.02
481411 ncm-dbt-05 622874 498 3 343 152 -289.83 ± 21.76 98 144 7 0 0 -738.34 ± 163.26
481410 ncm-dbt-01 585000 500 7 343 150 -282.94 ± 20.9 93 150 7 0 0 -739.05 ± 163.27
481409 ncm-dbt-02 589967 500 5 337 158 -277.92 ± 20.3 89 154 7 0 0 -739.05 ± 163.27
481408 ncm-dbt-04 572276 500 5 335 160 -275.44 ± 20.01 87 156 7 0 0 -739.05 ± 163.27
481407 ncm-dbt-03 578836 500 10 340 150 -275.44 ± 21.7 93 144 13 0 0 -629.41 ± 104.8
481406 ncm-dbt-05 607968 500 5 326 169 -264.59 ± 18.11 76 169 5 0 0 -798.18 ± 231.48
481405 ncm-dbt-01 582611 500 6 328 166 -265.77 ± 18.55 78 166 6 0 0 -766.17 ± 188.02
481404 ncm-dbt-02 593976 500 8 329 163 -264.59 ± 20.09 83 155 12 0 0 -643.67 ± 110.29
481403 ncm-dbt-04 568514 500 6 340 154 -280.42 ± 20.6 91 152 7 0 0 -739.05 ± 163.27
481402 ncm-dbt-03 579166 500 3 341 156 -285.48 ± 20.9 94 150 6 0 0 -766.17 ± 188.02
481401 ncm-dbt-05 600691 500 7 314 179 -248.52 ± 17.25 66 175 9 0 0 -694.7 ± 134.18
481400 ncm-dbt-01 584285 500 4 335 161 -276.68 ± 19.86 87 157 6 0 0 -766.17 ± 188.02
481399 ncm-dbt-02 591297 500 7 334 159 -271.78 ± 20.15 86 155 9 0 0 -694.7 ± 134.18
481398 ncm-dbt-04 567165 500 6 322 172 -258.75 ± 18.82 75 167 7 1 0 -694.74 ± 156.93
481397 ncm-dbt-03 579207 500 5 328 167 -266.96 ± 18.99 80 163 7 0 0 -739.05 ± 163.27
481396 ncm-dbt-05 606426 500 8 336 156 -272.99 ± 20.58 88 152 10 0 0 -676.04 ± 124.55
481395 ncm-dbt-01 584159 500 4 340 156 -282.94 ± 20.29 91 154 5 0 0 -798.18 ± 231.48
481394 ncm-dbt-03 577889 500 7 340 153 -279.16 ± 21.04 92 149 9 0 0 -694.7 ± 134.18
481393 ncm-dbt-02 593846 500 7 329 164 -265.77 ± 19.13 80 162 8 0 0 -715.51 ± 146.53
481392 ncm-dbt-04 568395 500 5 319 176 -256.44 ± 18.25 73 168 9 0 0 -694.7 ± 134.18
481391 ncm-dbt-05 604667 500 5 343 152 -285.48 ± 21.2 95 148 7 0 0 -739.05 ± 163.27
481390 ncm-dbt-01 584117 500 4 324 172 -263.41 ± 18.55 77 166 7 0 0 -739.05 ± 163.27
481389 ncm-dbt-04 570388 500 5 336 159 -276.68 ± 20.16 88 155 7 0 0 -739.05 ± 163.27
481388 ncm-dbt-03 580530 500 8 345 147 -284.21 ± 21.35 95 147 8 0 0 -715.51 ± 146.53
481387 ncm-dbt-02 591340 500 4 318 178 -256.44 ± 17.97 72 170 8 0 0 -715.51 ± 146.53
481386 ncm-dbt-05 605207 500 3 351 146 -298.61 ± 21.79 102 144 4 0 0 -837.28 ± 240.94
481385 ncm-dbt-01 584790 500 5 328 167 -266.96 ± 19.56 82 159 9 0 0 -694.7 ± 134.18
481384 ncm-dbt-04 565666 500 7 346 147 -286.77 ± 21.35 96 147 7 0 0 -739.05 ± 163.27
481383 ncm-dbt-02 591168 500 6 325 169 -262.24 ± 19.26 79 161 10 0 0 -676.04 ± 124.55
481382 ncm-dbt-03 579620 500 5 354 141 -299.96 ± 22.58 105 139 6 0 0 -766.17 ± 188.02
481381 ncm-dbt-05 603008 500 8 337 155 -274.22 ± 20.72 89 151 10 0 0 -676.04 ± 124.55
481380 ncm-dbt-01 582444 500 6 334 160 -272.99 ± 20.01 86 156 8 0 0 -715.51 ± 146.53
481379 ncm-dbt-02 591512 500 13 344 143 -276.68 ± 21.85 94 143 13 0 0 -629.41 ± 104.8
481378 ncm-dbt-04 567284 500 2 341 157 -286.77 ± 19.79 91 157 2 0 0 -958.31 ± 196.57
481377 ncm-dbt-03 576006 500 9 330 161 -264.59 ± 19.27 80 161 9 0 0 -694.7 ± 134.18
481376 ncm-dbt-05 606200 500 5 327 168 -265.77 ± 19.13 80 162 8 0 0 -715.51 ± 146.53
481375 ncm-dbt-01 584369 500 5 340 155 -281.67 ± 20.45 91 153 6 0 0 -766.17 ± 188.02
481374 ncm-dbt-02 591082 500 3 328 169 -269.36 ± 18.38 79 167 4 0 0 -837.28 ± 240.94
481373 ncm-dbt-04 568275 500 6 334 160 -272.99 ± 19.42 84 160 6 0 0 -766.17 ± 188.02
481372 ncm-dbt-03 579496 500 7 330 163 -266.96 ± 19.56 82 159 9 0 0 -694.7 ± 134.18

Commit

Commit ID 2d06d659c0321ddfcf0781327e5175df0b0ff616
Author Michael Chaly
Date 2019-06-09 12:26:53 UTC
Advanced pawn pushes tweak (#2175) passed STC http://tests.stockfishchess.org/tests/view/5cf586ee0ebc5925cf08c0ed LLR: 2.96 (-2.94,2.94) [0.50,4.50] Total: 29496 W: 6718 L: 6406 D: 16372 passed LTC http://tests.stockfishchess.org/tests/view/5cf59b630ebc5925cf08c343 LLR: 2.95 (-2.94,2.94) [0.00,3.50] Total: 40778 W: 7057 L: 6765 D: 26956 original idea from early 2018 by @jerrydonaldwatson Code slightly rewritten to be shorter and more logical, no functinal changes compared to passed patch.
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