Dev Builds » 20211021-0643

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 12:33:07 1957842 4999 4273 9 717 +440.19 +/- 12.72
ncm-et-10 12:33:01 1955978 4978 4242 11 725 +436.36 +/- 12.65
ncm-et-13 12:33:00 1960650 5022 4282 8 732 +437.76 +/- 12.58
ncm-et-15 12:33:03 1958687 5001 4235 10 756 +430.06 +/- 12.38
20000 17032 38 2930 +436.06 +/- 6.28

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
152660 ncm-et-3 2021-10-22 11:58 00:14:24 1956503 89 81 0 8 +530.9 +/- 143.46
152659 ncm-et-10 2021-10-22 11:57 00:15:15 1956494 96 86 0 10 +503.99 +/- 122.43
152658 ncm-et-13 2021-10-22 11:57 00:15:58 1950561 104 85 0 19 +399.06 +/- 82.05
152657 ncm-et-15 2021-10-22 11:54 00:17:57 1962921 113 102 0 11 +516.39 +/- 115.29
152656 ncm-et-3 2021-10-22 10:41 01:16:02 1947980 500 435 1 64 +460.32 +/- 43.24
152655 ncm-et-13 2021-10-22 10:41 01:14:37 1972812 500 425 1 74 +433.94 +/- 40.08
152654 ncm-et-10 2021-10-22 10:41 01:15:15 1951023 500 422 2 76 +424.28 +/- 39.56
152653 ncm-et-15 2021-10-22 10:39 01:15:01 1961386 500 425 1 74 +433.94 +/- 40.08
152652 ncm-et-3 2021-10-22 09:26 01:14:47 1965846 500 424 0 76 +433.94 +/- 39.45
152651 ncm-et-13 2021-10-22 09:26 01:14:47 1963080 500 434 0 66 +460.32 +/- 42.48
152650 ncm-et-10 2021-10-22 09:26 01:14:49 1958164 500 413 1 86 +406.2 +/- 37.04
152649 ncm-et-15 2021-10-22 09:24 01:13:52 1960002 500 421 0 79 +426.65 +/- 38.66
152648 ncm-et-13 2021-10-22 08:11 01:14:35 1963225 500 434 0 66 +460.32 +/- 42.48
152647 ncm-et-10 2021-10-22 08:10 01:15:01 1958929 500 436 1 63 +463.16 +/- 43.6
152646 ncm-et-15 2021-10-22 08:10 01:13:43 1960769 500 418 0 82 +419.61 +/- 37.91
152645 ncm-et-3 2021-10-22 08:10 01:15:40 1960776 500 418 0 82 +419.61 +/- 37.91
152644 ncm-et-13 2021-10-22 06:54 01:15:47 1959851 500 428 3 69 +436.43 +/- 41.61
152643 ncm-et-3 2021-10-22 06:54 01:14:47 1964336 500 430 1 69 +446.7 +/- 41.57
152642 ncm-et-15 2021-10-22 06:54 01:15:11 1956502 500 410 2 88 +397.72 +/- 36.65
152641 ncm-et-10 2021-10-22 06:54 01:15:20 1959860 500 409 2 89 +395.65 +/- 36.43
152597 ncm-et-10 2021-10-21 17:18 00:58:07 1956353 382 335 0 47 +473.36 +/- 50.72
152596 ncm-et-15 2021-10-21 17:16 00:59:39 1953132 388 333 0 55 +447.02 +/- 46.66
152595 ncm-et-3 2021-10-21 17:13 01:03:00 1952323 410 349 3 58 +428.94 +/- 45.5
152594 ncm-et-13 2021-10-21 17:12 01:03:46 1940726 418 343 1 74 +400.0 +/- 40.0
152593 ncm-et-10 2021-10-21 16:02 01:15:25 1952540 500 421 1 78 +424.28 +/- 38.99
152592 ncm-et-15 2021-10-21 15:59 01:16:17 1957566 500 410 3 87 +395.65 +/- 36.9
152591 ncm-et-3 2021-10-21 15:58 01:14:15 1967282 500 419 2 79 +417.32 +/- 38.77
152590 ncm-et-13 2021-10-21 15:57 01:14:48 1956219 500 425 1 74 +433.94 +/- 40.08
152589 ncm-et-10 2021-10-21 14:44 01:16:41 1947344 500 423 2 75 +426.65 +/- 39.83
152588 ncm-et-15 2021-10-21 14:44 01:14:57 1961705 500 425 1 74 +433.94 +/- 40.08
152587 ncm-et-3 2021-10-21 14:42 01:14:57 1951782 500 429 0 71 +446.7 +/- 40.89
152586 ncm-et-13 2021-10-21 14:41 01:15:10 1973897 500 430 0 70 +449.35 +/- 41.19
152585 ncm-et-3 2021-10-21 13:28 01:14:07 1959823 500 437 1 62 +466.04 +/- 43.97
152584 ncm-et-15 2021-10-21 13:27 01:15:40 1955861 500 424 2 74 +429.05 +/- 40.11
152583 ncm-et-10 2021-10-21 13:27 01:16:47 1958245 500 438 1 61 +468.96 +/- 44.35
152582 ncm-et-13 2021-10-21 13:26 01:14:27 1962777 500 431 0 69 +452.04 +/- 41.5
152581 ncm-et-3 2021-10-21 12:12 01:14:40 1955414 500 428 0 72 +444.08 +/- 40.59
152580 ncm-et-15 2021-10-21 12:12 01:14:37 1956790 500 438 1 61 +468.96 +/- 44.35
152579 ncm-et-10 2021-10-21 12:11 01:15:03 1962001 500 435 1 64 +460.32 +/- 43.24
152578 ncm-et-13 2021-10-21 12:10 01:14:44 1959849 500 427 1 72 +438.95 +/- 40.66
152577 ncm-et-13 2021-10-21 10:55 01:14:21 1964160 500 420 1 79 +421.93 +/- 38.73
152576 ncm-et-10 2021-10-21 10:55 01:15:18 1954809 500 424 0 76 +433.94 +/- 39.45
152575 ncm-et-15 2021-10-21 10:55 01:16:09 1958930 500 429 0 71 +446.7 +/- 40.89
152574 ncm-et-3 2021-10-21 10:55 01:16:28 1954199 500 423 1 76 +429.05 +/- 39.52

Commit

Commit ID 42a895d9c988e6d2db2cbae43a4992c853efee6e
Author bmc4
Date 2021-10-21 06:43:43 UTC
Simplify null move search condition Remove `ss->ttPv` condition on null move search condition STC: LLR: 2.94 (-2.94,2.94) <-2.50,0.50> Total: 80832 W: 20276 L: 20221 D: 40335 Ptnml(0-2): 267, 9335, 21168, 9368, 278 https://tests.stockfishchess.org/tests/view/616ed4a0942d40685e3237c6 LTC: LLR: 2.95 (-2.94,2.94) <-2.50,0.50> Total: 54184 W: 13464 L: 13377 D: 27343 Ptnml(0-2): 37, 5758, 15435, 5805, 57 https://tests.stockfishchess.org/tests/view/616ef71f40f619782fd4f72d closes https://github.com/official-stockfish/Stockfish/pull/3750 bench: 6201607
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