Dev Builds » 20230202-1645

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 11:12:29 1953789 3335 2881 6 448 +452.13 +/- 16.11
ncm-et-4 11:12:29 1959721 3372 2928 2 442 +459.95 +/- 16.2
ncm-et-9 11:12:06 1954225 3335 2916 4 415 +467.73 +/- 16.74
ncm-et-10 11:12:27 1951376 3312 2805 5 502 +430.77 +/- 15.2
ncm-et-13 11:12:28 1960500 3350 2892 5 453 +451.76 +/- 16.01
ncm-et-15 11:11:49 1953022 3296 2830 0 466 +447.52 +/- 15.76
20000 17252 22 2726 +451.37 +/- 6.51

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
164964 ncm-et-15 2023-02-06 11:02 01:00:39 1956816 296 251 0 45 +433.9 +/- 51.76
164963 ncm-et-10 2023-02-06 11:00 01:03:39 1946915 312 266 0 46 +439.66 +/- 51.19
164962 ncm-et-9 2023-02-06 10:56 01:06:51 1961086 335 298 2 35 +483.59 +/- 59.35
164961 ncm-et-3 2023-02-06 10:56 01:07:47 1960309 335 286 1 48 +437.37 +/- 50.19
164960 ncm-et-13 2023-02-06 10:54 01:09:41 1969248 350 303 0 47 +457.12 +/- 50.67
164959 ncm-et-4 2023-02-06 10:49 01:14:37 1961128 372 315 0 57 +432.43 +/- 45.76
164958 ncm-et-15 2023-02-06 09:21 01:41:09 1953310 500 435 0 65 +463.15 +/- 42.83
164957 ncm-et-10 2023-02-06 09:16 01:43:15 1954054 500 435 0 65 +463.15 +/- 42.83
164956 ncm-et-3 2023-02-06 09:13 01:41:42 1946341 500 432 0 68 +454.76 +/- 41.82
164955 ncm-et-9 2023-02-06 09:13 01:42:27 1957140 500 437 0 63 +468.95 +/- 43.54
164954 ncm-et-13 2023-02-06 09:12 01:41:25 1959895 500 431 1 68 +449.35 +/- 41.89
164953 ncm-et-4 2023-02-06 09:08 01:40:11 1955919 500 432 1 67 +452.04 +/- 42.22
164952 ncm-et-15 2023-02-06 07:38 01:41:47 1957423 500 439 0 61 +474.93 +/- 44.28
164951 ncm-et-10 2023-02-06 07:34 01:41:11 1953782 500 419 1 80 +419.61 +/- 38.47
164950 ncm-et-3 2023-02-06 07:33 01:39:06 1959461 500 422 3 75 +421.93 +/- 39.85
164949 ncm-et-9 2023-02-06 07:31 01:41:32 1950257 500 433 1 66 +454.76 +/- 42.55
164948 ncm-et-13 2023-02-06 07:29 01:41:51 1950569 500 430 1 69 +446.7 +/- 41.57
164947 ncm-et-4 2023-02-06 07:28 01:39:31 1973271 500 443 0 57 +487.45 +/- 45.89
164946 ncm-et-15 2023-02-06 05:55 01:42:27 1950241 500 415 0 85 +412.8 +/- 37.2
164945 ncm-et-3 2023-02-06 05:54 01:39:02 1965409 500 419 0 81 +421.93 +/- 38.15
164944 ncm-et-10 2023-02-06 05:53 01:40:20 1951212 500 413 2 85 +404.05 +/- 37.32
164943 ncm-et-9 2023-02-06 05:49 01:41:08 1951784 500 434 1 65 +457.52 +/- 42.89
164942 ncm-et-13 2023-02-06 05:49 01:39:32 1960971 500 424 2 74 +429.05 +/- 40.11
164941 ncm-et-4 2023-02-06 05:48 01:38:57 1959593 500 442 0 58 +484.24 +/- 45.47
164940 ncm-et-15 2023-02-06 04:13 01:41:45 1953771 500 435 0 65 +463.15 +/- 42.83
164939 ncm-et-3 2023-02-06 04:11 01:41:36 1949056 500 438 2 60 +466.04 +/- 44.75
164938 ncm-et-10 2023-02-06 04:11 01:41:35 1948912 500 439 1 60 +471.92 +/- 44.73
164937 ncm-et-9 2023-02-06 04:08 01:40:49 1954398 500 437 0 63 +468.95 +/- 43.54
164936 ncm-et-4 2023-02-06 04:06 01:41:20 1949787 500 433 0 67 +457.52 +/- 42.15
164935 ncm-et-13 2023-02-06 04:05 01:42:44 1956487 500 426 0 74 +438.95 +/- 40.01
164934 ncm-et-15 2023-02-06 02:30 01:42:16 1951511 500 417 0 83 +417.31 +/- 37.67
164933 ncm-et-3 2023-02-06 02:29 01:41:26 1958970 500 439 0 61 +474.93 +/- 44.28
164932 ncm-et-10 2023-02-06 02:29 01:41:06 1955725 500 417 1 82 +415.05 +/- 37.98
164931 ncm-et-9 2023-02-06 02:27 01:39:53 1943205 500 438 0 62 +471.92 +/- 43.9
164930 ncm-et-4 2023-02-06 02:27 01:38:22 1960940 500 434 0 66 +460.32 +/- 42.48
164929 ncm-et-13 2023-02-06 02:26 01:38:21 1962335 500 440 1 59 +474.93 +/- 45.13
164928 ncm-et-15 2023-02-06 00:47 01:41:46 1948083 500 438 0 62 +471.92 +/- 43.9
164927 ncm-et-9 2023-02-06 00:47 01:39:26 1961706 500 439 0 61 +474.93 +/- 44.28
164926 ncm-et-10 2023-02-06 00:47 01:41:21 1949038 500 416 0 84 +415.04 +/- 37.43
164925 ncm-et-13 2023-02-06 00:47 01:38:54 1963995 500 438 0 62 +471.92 +/- 43.9
164924 ncm-et-3 2023-02-06 00:47 01:41:50 1936979 500 445 0 55 +494.02 +/- 46.77
164923 ncm-et-4 2023-02-06 00:47 01:39:31 1957411 500 429 1 70 +444.09 +/- 41.26

Commit

Commit ID 0827e00f10709a4475ece44f0588277fc8cdcd9d
Author Muzhen Gaming
Date 2023-02-02 16:45:57 UTC
Decrease reduction for killer moves with good history If move is a main killer and we have a good history, decrease reduction. STC: https://tests.stockfishchess.org/tests/view/63d38b37721fe2bff693069a LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 46688 W: 12542 L: 12222 D: 21924 Ptnml(0-2): 126, 5013, 12769, 5287, 149 LTC: https://tests.stockfishchess.org/tests/view/63d471e2bde6e5f3cb4be5d3 LLR: 2.93 (-2.94,2.94) <0.50,2.50> Total: 130976 W: 35033 L: 34555 D: 61388 Ptnml(0-2): 38, 12551, 39833, 13027, 39 closes https://github.com/official-stockfish/Stockfish/pull/4369 Bench: 4069938
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