Dev Builds » 20220205-0638

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 7. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games Wins Losses Draws Elo
ncm-et-3 11:20:23 1960904 3334 2925 3 406 +472.56 +/- 16.92
ncm-et-4 11:20:06 1963854 3351 2921 11 419 +460.88 +/- 16.67
ncm-et-9 11:20:09 1958917 3335 2866 5 464 +446.53 +/- 15.82
ncm-et-10 11:20:11 1955420 3292 2861 4 427 +460.13 +/- 16.5
ncm-et-13 11:19:52 1964403 3352 2914 3 435 +460.94 +/- 16.34
ncm-et-15 11:20:01 1959025 3336 2873 3 460 +449.77 +/- 15.88
20000 17360 29 2611 +458.29 +/- 6.66

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
156761 ncm-et-10 2022-02-07 09:21 01:00:55 1955884 292 255 0 37 +467.9 +/- 57.52
156760 ncm-et-15 2022-02-07 09:15 01:07:23 1960930 336 297 0 39 +484.13 +/- 55.99
156759 ncm-et-3 2022-02-07 09:15 01:07:35 1964019 334 298 1 35 +492.73 +/- 59.44
156758 ncm-et-9 2022-02-07 09:14 01:08:06 1960001 335 301 0 34 +508.78 +/- 60.3
156757 ncm-et-4 2022-02-07 09:11 01:10:56 1964460 351 300 0 51 +442.4 +/- 48.52
156756 ncm-et-13 2022-02-07 09:11 01:11:57 1968314 352 305 0 47 +458.18 +/- 50.68
156755 ncm-et-10 2022-02-07 07:38 01:42:58 1961447 500 445 0 55 +494.02 +/- 46.77
156754 ncm-et-3 2022-02-07 07:32 01:42:32 1950700 500 428 0 72 +444.08 +/- 40.59
156753 ncm-et-15 2022-02-07 07:32 01:43:02 1958166 500 440 0 60 +477.98 +/- 44.67
156752 ncm-et-9 2022-02-07 07:31 01:42:32 1954816 500 420 0 80 +424.27 +/- 38.4
156751 ncm-et-4 2022-02-07 07:30 01:40:47 1964016 500 445 3 52 +484.25 +/- 48.17
156750 ncm-et-13 2022-02-07 07:29 01:41:26 1964147 500 432 0 68 +454.76 +/- 41.82
156749 ncm-et-10 2022-02-07 05:55 01:41:48 1958806 500 440 2 58 +471.92 +/- 45.55
156748 ncm-et-3 2022-02-07 05:49 01:42:23 1957249 500 440 0 60 +477.98 +/- 44.67
156747 ncm-et-4 2022-02-07 05:48 01:41:34 1968932 500 435 1 64 +460.32 +/- 43.24
156746 ncm-et-9 2022-02-07 05:48 01:42:56 1954654 500 444 0 56 +490.71 +/- 46.32
156745 ncm-et-13 2022-02-07 05:47 01:41:04 1969860 500 434 1 65 +457.52 +/- 42.89
156744 ncm-et-15 2022-02-07 05:46 01:44:32 1952550 500 423 0 77 +431.48 +/- 39.18
156743 ncm-et-10 2022-02-07 04:11 01:43:39 1953587 500 428 1 71 +441.5 +/- 40.95
156742 ncm-et-4 2022-02-07 04:07 01:40:28 1961234 500 442 2 56 +477.99 +/- 46.39
156741 ncm-et-3 2022-02-07 04:06 01:42:06 1966553 500 429 0 71 +446.7 +/- 40.89
156740 ncm-et-9 2022-02-07 04:06 01:41:26 1961228 500 438 2 60 +466.04 +/- 44.75
156739 ncm-et-13 2022-02-07 04:05 01:40:53 1963105 500 451 1 48 +511.5 +/- 50.32
156738 ncm-et-15 2022-02-07 04:05 01:40:58 1966922 500 431 2 67 +446.7 +/- 42.25
156737 ncm-et-10 2022-02-07 02:26 01:44:17 1954993 500 437 0 63 +468.95 +/- 43.54
156736 ncm-et-4 2022-02-07 02:26 01:40:12 1966468 500 433 1 66 +454.76 +/- 42.55
156735 ncm-et-3 2022-02-07 02:25 01:40:43 1974671 500 431 2 67 +446.7 +/- 42.25
156734 ncm-et-15 2022-02-07 02:24 01:39:48 1962467 500 412 0 88 +406.2 +/- 36.53
156733 ncm-et-9 2022-02-07 02:24 01:40:45 1960157 500 401 1 98 +381.7 +/- 34.59
156732 ncm-et-13 2022-02-07 02:22 01:42:45 1962006 500 428 0 72 +444.08 +/- 40.59
156731 ncm-et-4 2022-02-07 00:43 01:42:02 1963395 500 442 3 55 +474.93 +/- 46.79
156730 ncm-et-10 2022-02-07 00:42 01:43:45 1948574 500 426 0 74 +438.95 +/- 40.01
156729 ncm-et-13 2022-02-07 00:40 01:41:05 1962615 500 429 1 70 +444.09 +/- 41.26
156728 ncm-et-9 2022-02-07 00:40 01:43:21 1955720 500 426 2 72 +433.94 +/- 40.69
156727 ncm-et-15 2022-02-07 00:40 01:43:30 1949839 500 441 0 59 +481.09 +/- 45.07
156726 ncm-et-3 2022-02-07 00:40 01:44:31 1952525 500 447 0 53 +500.82 +/- 47.69
156725 ncm-et-13 2022-02-06 22:59 01:40:42 1960780 500 435 0 65 +463.15 +/- 42.83
156724 ncm-et-15 2022-02-06 22:59 01:40:48 1962305 500 429 1 70 +444.09 +/- 41.26
156723 ncm-et-9 2022-02-06 22:58 01:41:03 1965843 500 436 0 64 +466.03 +/- 43.18
156722 ncm-et-10 2022-02-06 22:58 01:42:49 1954653 500 430 1 69 +446.7 +/- 41.57
156721 ncm-et-4 2022-02-06 22:58 01:44:07 1958477 500 424 1 75 +431.48 +/- 39.8
156720 ncm-et-3 2022-02-06 22:58 01:40:33 1960615 500 452 0 48 +518.95 +/- 50.26

Commit

Commit ID 95d7369e54f20715345cf5408040f3c7d1ec8415
Author Michael Chaly
Date 2022-02-05 06:38:30 UTC
Introduce movecount pruning for quiet check evasions in qsearch Idea of this patch is that we usually don't consider quiet check evasions as "good" ones and prefer capture based ones instead. So it makes sense to think that if in qsearch 2 quiet check evasions failed to produce anything good 3rd and further ones wouldn't be good either. passed STC https://tests.stockfishchess.org/tests/view/61fc1b1ed508ec6a1c9f397c LLR: 2.94 (-2.94,2.94) <0.00,2.50> Total: 58800 W: 15947 L: 15626 D: 27227 Ptnml(0-2): 273, 6568, 15462, 6759, 338 passed LTC https://tests.stockfishchess.org/tests/view/61fcc56dd508ec6a1c9f5619 LLR: 2.95 (-2.94,2.94) <0.50,3.00> Total: 89544 W: 24208 L: 23810 D: 41526 Ptnml(0-2): 81, 9038, 26134, 9440, 79 closes https://github.com/official-stockfish/Stockfish/pull/3920 bench 4830082
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