Dev Builds » 20190515-0749

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 06:25:53 584729 4000 47 2682 1271 -274.68 ± 7.03 691 1253 56 0 0 -739.09 ± 46.53
ncm-dbt-02 06:26:26 591401 4000 38 2747 1215 -286.29 ± 7.36 754 1201 45 0 0 -777.57 ± 52.22
ncm-dbt-03 06:26:34 578462 4000 35 2735 1230 -284.85 ± 7.36 749 1202 49 0 0 -762.6 ± 49.92
ncm-dbt-04 06:27:04 567946 4000 40 2687 1273 -276.53 ± 7.14 705 1238 56 1 0 -732.92 ± 46.53
ncm-dbt-05 06:25:01 602997 4000 37 2767 1196 -289.68 ± 7.54 778 1174 48 0 0 -766.22 ± 50.47
20000 197 13618 6185 -282.34 ± 3.26 3677 6068 254 1 0 -754.88 ± 21.47

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
482056 ncm-dbt-03 573649 500 6 352 142 -295.93 ± 22.12 102 142 6 0 0 -766.17 ± 188.02
482055 ncm-dbt-04 565508 500 9 331 160 -265.77 ± 20.24 84 154 12 0 0 -643.67 ± 110.29
482054 ncm-dbt-05 606155 500 4 350 146 -295.93 ± 21.8 101 144 5 0 0 -798.18 ± 231.48
482053 ncm-dbt-01 586646 500 7 326 167 -262.24 ± 18.98 78 163 9 0 0 -694.7 ± 134.18
482052 ncm-dbt-02 593542 500 4 338 158 -280.42 ± 20.0 89 156 5 0 0 -798.18 ± 231.48
482051 ncm-dbt-03 578506 500 4 335 161 -276.68 ± 19.25 85 161 4 0 0 -837.28 ± 240.94
482050 ncm-dbt-04 567958 500 7 342 151 -281.67 ± 21.63 95 145 10 0 0 -676.04 ± 124.55
482049 ncm-dbt-05 607468 500 8 343 149 -281.67 ± 21.34 94 147 9 0 0 -694.7 ± 134.18
482048 ncm-dbt-01 584495 500 4 344 152 -288.06 ± 20.89 95 150 5 0 0 -798.18 ± 231.48
482047 ncm-dbt-02 591986 500 8 332 160 -268.16 ± 19.71 83 158 9 0 0 -694.7 ± 134.18
481445 ncm-dbt-01 584664 500 6 343 151 -284.21 ± 21.64 96 145 9 0 0 -694.7 ± 134.18
481444 ncm-dbt-03 578095 500 3 355 142 -304.06 ± 22.08 105 142 3 0 0 -887.58 ± 222.18
481443 ncm-dbt-02 591383 500 3 351 146 -298.61 ± 21.79 102 144 4 0 0 -837.28 ± 240.94
481442 ncm-dbt-04 568633 500 7 332 161 -269.36 ± 19.85 84 157 9 0 0 -694.7 ± 134.18
481441 ncm-dbt-05 598039 500 3 348 149 -294.6 ± 21.96 101 143 6 0 0 -766.17 ± 188.02
481440 ncm-dbt-01 586223 500 4 335 161 -276.68 ± 19.25 85 161 4 0 0 -837.28 ± 240.94
481439 ncm-dbt-03 580613 500 4 340 156 -282.94 ± 21.49 95 146 9 0 0 -694.7 ± 134.18
481438 ncm-dbt-02 591469 500 5 337 158 -277.92 ± 20.01 88 156 6 0 0 -766.17 ± 188.02
481437 ncm-dbt-04 568951 500 4 332 164 -272.99 ± 19.72 85 158 7 0 0 -739.05 ± 163.27
481436 ncm-dbt-05 601624 500 4 343 153 -286.77 ± 21.65 97 145 8 0 0 -715.51 ± 146.53
481435 ncm-dbt-01 583279 500 6 334 160 -272.99 ± 19.42 84 160 6 0 0 -766.17 ± 188.02
481434 ncm-dbt-04 568593 500 2 337 161 -281.68 ± 21.05 92 152 5 1 0 -739.1 ± 208.89
481433 ncm-dbt-03 580779 500 5 343 152 -285.48 ± 21.5 96 146 8 0 0 -715.51 ± 146.53
481432 ncm-dbt-02 590996 500 4 339 157 -281.67 ± 20.75 92 151 7 0 0 -739.05 ± 163.27
481431 ncm-dbt-05 601357 500 5 344 151 -286.77 ± 20.74 94 151 5 0 0 -798.18 ± 231.48
481430 ncm-dbt-01 584495 500 7 321 172 -256.44 ± 18.25 73 168 9 0 0 -694.7 ± 134.18
481429 ncm-dbt-04 568593 500 3 330 167 -271.78 ± 18.36 80 167 3 0 0 -887.58 ± 222.18
481428 ncm-dbt-02 589197 500 3 341 156 -285.48 ± 19.96 91 156 3 0 0 -887.58 ± 222.18
481427 ncm-dbt-03 578712 500 5 332 163 -271.78 ± 19.57 84 159 7 0 0 -739.05 ± 163.27
481426 ncm-dbt-05 602204 500 5 345 150 -288.06 ± 21.5 97 146 7 0 0 -739.05 ± 163.27
481425 ncm-dbt-01 585759 500 5 350 145 -294.6 ± 21.65 100 145 5 0 0 -798.18 ± 231.48
481424 ncm-dbt-02 592374 500 5 352 143 -297.27 ± 21.95 102 143 5 0 0 -798.18 ± 231.48
481423 ncm-dbt-03 579207 500 4 332 164 -272.99 ± 19.42 84 160 6 0 0 -766.17 ± 188.02
481422 ncm-dbt-04 569549 500 4 348 148 -293.28 ± 21.81 100 144 6 0 0 -766.17 ± 188.02
481421 ncm-dbt-05 604262 500 4 338 158 -280.42 ± 19.69 88 158 4 0 0 -837.28 ± 240.94
481420 ncm-dbt-01 582277 500 8 329 163 -264.59 ± 19.27 80 161 9 0 0 -694.7 ± 134.18
481419 ncm-dbt-02 590267 500 6 357 137 -302.69 ± 22.9 107 137 6 0 0 -766.17 ± 188.02
481418 ncm-dbt-03 578136 500 4 346 150 -290.65 ± 21.5 98 146 6 0 0 -766.17 ± 188.02
481417 ncm-dbt-05 602873 500 4 356 140 -304.06 ± 22.41 106 140 4 0 0 -837.28 ± 240.94
481416 ncm-dbt-04 565784 500 4 335 161 -276.68 ± 19.25 85 161 4 0 0 -837.28 ± 240.94

Commit

Commit ID 7df832fea63761775494d7e360102c62230005c7
Author Michael Chaly
Date 2019-05-15 07:49:29 UTC
Decrease reduction in case we had singular extension. #2146 Passed STC http://tests.stockfishchess.org/tests/view/5cda71790ebc5925cf057a84 LLR: 2.95 (-2.94,2.94) [0.50,4.50] Total: 73454 W: 16482 L: 15954 D: 41018 Passed LTC http://tests.stockfishchess.org/tests/view/5cdab17b0ebc5925cf05822f LLR: 2.95 (-2.94,2.94) [0.00,3.50] Total: 56696 W: 9877 L: 9538 D: 37281 Original idea by @locutus2 bench 3378510
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