Dev Builds » 20221003-2307

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 11:17:47 1946184 3320 2855 3 462 +448.07 +/- 15.85
ncm-et-4 11:17:54 1961415 3352 2854 3 495 +437.11 +/- 15.3
ncm-et-9 11:17:48 1954778 3331 2820 3 508 +431.11 +/- 15.1
ncm-et-10 11:18:03 1950327 3321 2817 5 499 +432.38 +/- 15.24
ncm-et-13 11:17:46 1956544 3352 2830 3 519 +428.3 +/- 14.93
ncm-et-15 11:17:42 1951052 3324 2813 3 508 +430.71 +/- 15.1
20000 16989 20 2991 +434.5 +/- 6.21

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
160983 ncm-et-15 2022-10-04 21:32 01:04:18 1969803 324 274 0 50 +431.09 +/- 48.98
160982 ncm-et-10 2022-10-04 21:31 01:05:59 1949235 321 274 0 47 +440.96 +/- 50.62
160981 ncm-et-3 2022-10-04 21:30 01:06:51 1944120 320 278 2 40 +452.72 +/- 55.28
160980 ncm-et-9 2022-10-04 21:28 01:08:06 1957468 331 286 1 44 +450.73 +/- 52.57
160979 ncm-et-13 2022-10-04 21:25 01:11:49 1953179 352 299 0 53 +435.72 +/- 47.53
160978 ncm-et-4 2022-10-04 21:24 01:12:12 1949969 352 306 0 46 +462.18 +/- 51.26
160977 ncm-et-15 2022-10-04 19:48 01:43:45 1948581 500 418 2 80 +415.05 +/- 38.52
160976 ncm-et-9 2022-10-04 19:46 01:41:22 1952298 500 423 0 77 +431.48 +/- 39.18
160975 ncm-et-3 2022-10-04 19:46 01:43:23 1929315 500 412 0 88 +406.2 +/- 36.53
160974 ncm-et-10 2022-10-04 19:45 01:44:29 1944830 500 413 1 86 +406.2 +/- 37.04
160973 ncm-et-4 2022-10-04 19:42 01:41:22 1958015 500 432 0 68 +454.76 +/- 41.82
160972 ncm-et-13 2022-10-04 19:42 01:41:37 1954712 500 419 0 81 +421.93 +/- 38.15
160971 ncm-et-15 2022-10-04 18:07 01:40:03 1958211 500 437 0 63 +468.95 +/- 43.54
160970 ncm-et-3 2022-10-04 18:05 01:39:52 1962242 500 438 0 62 +471.92 +/- 43.9
160969 ncm-et-10 2022-10-04 18:04 01:40:34 1948126 500 426 0 74 +438.95 +/- 40.01
160968 ncm-et-9 2022-10-04 18:02 01:43:23 1945040 500 424 0 76 +433.94 +/- 39.45
160967 ncm-et-13 2022-10-04 18:00 01:41:20 1957250 500 427 0 73 +441.5 +/- 40.29
160966 ncm-et-4 2022-10-04 18:00 01:41:49 1963857 500 420 1 79 +421.93 +/- 38.73
160965 ncm-et-15 2022-10-04 16:24 01:42:29 1929157 500 436 1 63 +463.16 +/- 43.6
160964 ncm-et-3 2022-10-04 16:23 01:41:45 1951157 500 430 1 69 +446.7 +/- 41.57
160963 ncm-et-10 2022-10-04 16:22 01:41:31 1959866 500 421 1 78 +424.28 +/- 38.99
160962 ncm-et-13 2022-10-04 16:21 01:39:00 1960317 500 423 0 77 +431.48 +/- 39.18
160961 ncm-et-4 2022-10-04 16:20 01:39:19 1967735 500 419 1 80 +419.61 +/- 38.47
160960 ncm-et-9 2022-10-04 16:20 01:41:53 1953594 500 418 0 82 +419.61 +/- 37.91
160959 ncm-et-15 2022-10-04 14:41 01:42:15 1954674 500 414 0 86 +410.58 +/- 36.97
160958 ncm-et-9 2022-10-04 14:40 01:39:01 1962026 500 426 0 74 +438.95 +/- 40.01
160957 ncm-et-13 2022-10-04 14:40 01:40:05 1964631 500 419 1 80 +419.61 +/- 38.47
160956 ncm-et-4 2022-10-04 14:40 01:39:24 1974061 500 433 0 67 +457.52 +/- 42.15
160955 ncm-et-3 2022-10-04 14:40 01:42:21 1945869 500 434 0 66 +460.32 +/- 42.48
160954 ncm-et-10 2022-10-04 14:39 01:42:32 1950442 500 430 2 68 +444.09 +/- 41.92
160953 ncm-et-15 2022-10-04 12:58 01:41:53 1957248 500 423 0 77 +431.48 +/- 39.18
160952 ncm-et-4 2022-10-04 12:58 01:40:55 1960312 500 423 0 77 +431.48 +/- 39.18
160951 ncm-et-3 2022-10-04 12:58 01:40:45 1959268 500 443 0 57 +487.45 +/- 45.89
160950 ncm-et-10 2022-10-04 12:58 01:40:21 1951931 500 415 1 84 +410.58 +/- 37.5
160949 ncm-et-9 2022-10-04 12:58 01:41:47 1958777 500 417 0 83 +417.31 +/- 37.67
160948 ncm-et-13 2022-10-04 12:58 01:41:40 1952123 500 433 1 66 +454.76 +/- 42.55
160947 ncm-et-3 2022-10-04 11:15 01:42:50 1931323 500 420 0 80 +424.27 +/- 38.4
160946 ncm-et-15 2022-10-04 11:15 01:42:59 1939694 500 411 0 89 +404.05 +/- 36.31
160945 ncm-et-4 2022-10-04 11:15 01:42:53 1955957 500 421 1 78 +424.28 +/- 38.99
160944 ncm-et-9 2022-10-04 11:15 01:42:16 1954243 500 426 2 72 +433.94 +/- 40.69
160943 ncm-et-13 2022-10-04 11:15 01:42:15 1953600 500 410 1 89 +399.81 +/- 36.38
160942 ncm-et-10 2022-10-04 11:15 01:42:37 1947861 500 438 0 62 +471.92 +/- 43.9

Commit

Commit ID 8bab09749dd00951bfa9c5f89f6e35bded76c8a9
Author FauziAkram
Date 2022-10-03 23:07:27 UTC
Mix alpha and statScore for reduction Idea by @xoto10, and tuning by @FauziAkram. Passed STC: LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 57832 W: 15540 L: 15199 D: 27093 Ptnml(0-2): 207, 6343, 15477, 6680, 209 https://tests.stockfishchess.org/tests/view/6338db6f35f43d649ff60fdc passed LTC: LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 50968 W: 13770 L: 13440 D: 23758 Ptnml(0-2): 25, 4905, 15306, 5211, 37 https://tests.stockfishchess.org/tests/view/6339777035f43d649ff62686 Links to the tuning sessions: https://tests.stockfishchess.org/tests/view/63345725a004bed9a2e47b28 https://tests.stockfishchess.org/tests/view/63345728a004bed9a2e47b2a closes https://github.com/official-stockfish/Stockfish/pull/4183 Bench: 4426602
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