Dev Builds » 20210511-1737

You are viewing an old NCM Stockfish dev build test. You may find the most recent dev build tests using Stockfish 15 as the baseline here.

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 08:19:43 1961468 3343 2684 15 644 +380.14 ± 13.41
ncm-et-4 08:19:56 1962379 3335 2681 16 638 +380.83 ± 13.48
ncm-et-9 08:19:52 1959591 3312 2658 20 634 +378.34 ± 13.53
ncm-et-10 08:19:30 1955775 3337 2687 24 626 +379.8 ± 13.62
ncm-et-13 08:19:38 1960404 3332 2645 19 668 +370.52 ± 13.17
ncm-et-15 08:19:56 1956410 3341 2716 15 610 +390.0 ± 13.79
20000 16071 109 3820 +379.87 ± 5.5

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
146667 ncm-et-9 2021-05-13 07:05 00:47:51 1954843 321 240 5 76 +324.23 ± 39.49
146666 ncm-et-4 2021-05-13 07:02 00:50:11 1966773 340 262 4 74 +345.15 ± 40.04
146665 ncm-et-13 2021-05-13 07:02 00:50:44 1960157 341 277 0 64 +393.92 ± 42.97
146664 ncm-et-10 2021-05-13 07:01 00:51:36 1952522 337 270 1 66 +379.99 ± 42.38
146663 ncm-et-15 2021-05-13 07:00 00:52:24 1942232 345 286 0 59 +411.67 ± 44.88
146662 ncm-et-3 2021-05-13 07:00 00:52:44 1953550 345 284 0 61 +405.32 ± 44.09
146661 ncm-et-9 2021-05-13 05:48 01:16:27 1958345 500 406 0 94 +393.6 ± 35.29
146660 ncm-et-13 2021-05-13 05:47 01:14:29 1960467 500 384 2 114 +349.43 ± 31.99
146659 ncm-et-4 2021-05-13 05:46 01:15:28 1956705 500 408 1 91 +395.65 ± 35.96
146658 ncm-et-10 2021-05-13 05:46 01:14:13 1960310 500 405 5 90 +381.7 ± 36.27
146657 ncm-et-3 2021-05-13 05:44 01:14:45 1962794 500 401 3 96 +377.87 ± 35.05
146656 ncm-et-15 2021-05-13 05:44 01:15:42 1949212 500 403 4 93 +379.78 ± 35.66
146655 ncm-et-13 2021-05-13 04:32 01:14:10 1960771 500 405 3 92 +385.59 ± 35.84
146654 ncm-et-4 2021-05-13 04:31 01:14:34 1958805 500 394 1 105 +368.59 ± 33.35
146653 ncm-et-9 2021-05-13 04:31 01:16:16 1955738 500 409 2 89 +395.65 ± 36.43
146652 ncm-et-10 2021-05-13 04:29 01:16:33 1951613 500 405 3 92 +385.59 ± 35.84
146651 ncm-et-15 2021-05-13 04:29 01:14:28 1955426 500 409 1 90 +397.72 ± 36.17
146650 ncm-et-3 2021-05-13 04:27 01:16:24 1957270 500 417 1 82 +415.05 ± 37.98
146649 ncm-et-13 2021-05-13 03:17 01:14:21 1961081 500 394 4 102 +363.2 ± 33.99
146648 ncm-et-9 2021-05-13 03:15 01:14:52 1965075 500 404 4 92 +381.7 ± 35.86
146647 ncm-et-10 2021-05-13 03:15 01:13:51 1956036 500 397 6 97 +364.98 ± 34.9
146646 ncm-et-15 2021-05-13 03:14 01:13:51 1974673 500 395 4 101 +364.98 ± 34.16
146645 ncm-et-4 2021-05-13 03:14 01:16:20 1964089 500 406 1 93 +391.57 ± 35.55
146644 ncm-et-3 2021-05-13 03:14 01:12:49 1965242 500 398 2 100 +374.11 ± 34.27
146643 ncm-et-13 2021-05-13 01:59 01:17:02 1958931 500 410 3 87 +395.65 ± 36.9
146642 ncm-et-9 2021-05-13 01:59 01:15:19 1957407 500 405 0 95 +391.57 ± 35.09
146641 ncm-et-4 2021-05-13 01:59 01:14:22 1972032 500 411 4 85 +395.65 ± 37.35
146640 ncm-et-10 2021-05-13 01:59 01:14:49 1951613 500 402 3 95 +379.78 ± 35.24
146639 ncm-et-3 2021-05-13 01:59 01:14:20 1968227 500 398 3 99 +372.25 ± 34.49
146638 ncm-et-15 2021-05-13 01:59 01:14:40 1954046 500 398 1 101 +375.98 ± 34.04
146594 ncm-et-10 2021-05-12 16:21 01:13:12 1959855 500 399 4 97 +372.25 ± 34.89
146593 ncm-et-9 2021-05-12 16:21 01:14:09 1968023 491 405 5 81 +396.33 ± 38.28
146592 ncm-et-4 2021-05-12 16:21 01:14:00 1966338 495 404 2 89 +393.72 ± 36.43
146591 ncm-et-13 2021-05-12 16:21 01:13:54 1957422 491 372 4 115 +337.64 ± 31.91
146590 ncm-et-3 2021-05-12 16:20 01:14:24 1963791 498 390 3 105 +360.65 ± 33.45
146589 ncm-et-15 2021-05-12 16:20 01:14:33 1954197 496 417 3 76 +418.09 ± 39.58
146588 ncm-et-3 2021-05-12 15:05 01:14:17 1959405 500 396 3 101 +368.59 ± 34.13
146587 ncm-et-10 2021-05-12 15:05 01:15:16 1958478 500 409 2 89 +395.65 ± 36.43
146586 ncm-et-9 2021-05-12 15:05 01:14:58 1957709 500 389 4 107 +354.5 ± 33.15
146585 ncm-et-15 2021-05-12 15:05 01:14:18 1965085 500 408 2 90 +393.6 ± 36.22
146584 ncm-et-4 2021-05-12 15:05 01:15:01 1951917 500 396 3 101 +368.59 ± 34.13
146583 ncm-et-13 2021-05-12 15:05 01:14:58 1963999 500 403 3 94 +381.7 ± 35.44

Commit

Commit ID 602687801b73552fb8364bcc82191f932ddca8b7
Author bmc4
Date 2021-05-11 17:37:39 UTC
Simplify LMR as it seems not to bring any strength and thus is no longer needed. Tests for updating elo estimates: https://tests.stockfishchess.org/tests/view/6099ff123a33eb67a844f789 https://tests.stockfishchess.org/tests/view/60953e6695e7f1852abd305b Individual simplification tests: https://tests.stockfishchess.org/tests/view/6098cfc73a33eb67a844f6a1 https://tests.stockfishchess.org/tests/view/6095539495e7f1852abd308b LTC: LLR: 2.93 (-2.94,2.94) <-2.50,0.50> Total: 96984 W: 3624 L: 3608 D: 89752 Ptnml(0-2): 45, 3222, 41939, 3244, 42 https://tests.stockfishchess.org/tests/view/6099921a3a33eb67a844f74f closes https://github.com/official-stockfish/Stockfish/pull/3458 bench: 3836428
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