Dev Builds » 20210822-0715

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 08:22:15 1958244 3331 2839 2 490 +438.57 +/- 15.37
ncm-et-4 08:21:56 1955257 3328 2825 6 497 +432.78 +/- 15.28
ncm-et-9 08:21:49 1959792 3336 2855 4 477 +442.3 +/- 15.59
ncm-et-10 08:21:59 1955988 3321 2820 7 494 +432.75 +/- 15.33
ncm-et-13 08:21:58 1960956 3346 2851 6 489 +436.77 +/- 15.41
ncm-et-15 08:22:06 1958586 3338 2848 3 487 +439.34 +/- 15.43
20000 17038 28 2934 +437.06 +/- 6.28

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
150980 ncm-et-10 2021-08-22 21:54 00:48:09 1954957 321 268 0 53 +418.33 +/- 47.47
150979 ncm-et-4 2021-08-22 21:53 00:49:29 1958472 328 278 1 49 +429.67 +/- 49.63
150978 ncm-et-3 2021-08-22 21:53 00:49:56 1965453 331 288 0 43 +463.28 +/- 53.11
150977 ncm-et-9 2021-08-22 21:52 00:50:45 1957401 336 277 0 59 +406.64 +/- 44.87
150976 ncm-et-15 2021-08-22 21:51 00:51:06 1961690 338 273 0 65 +389.25 +/- 42.61
150975 ncm-et-13 2021-08-22 21:51 00:51:29 1961538 346 302 1 43 +463.08 +/- 53.24
150974 ncm-et-10 2021-08-22 20:38 01:15:46 1958331 500 412 2 86 +401.92 +/- 37.09
150973 ncm-et-13 2021-08-22 20:37 01:13:11 1964925 500 427 1 72 +438.95 +/- 40.66
150972 ncm-et-4 2021-08-22 20:37 01:15:21 1958662 500 424 1 75 +431.48 +/- 39.8
150971 ncm-et-15 2021-08-22 20:37 01:13:56 1961230 500 440 0 60 +477.98 +/- 44.67
150970 ncm-et-3 2021-08-22 20:37 01:15:20 1951940 500 425 0 75 +436.43 +/- 39.73
150969 ncm-et-9 2021-08-22 20:36 01:14:38 1959391 500 422 3 75 +421.93 +/- 39.85
150968 ncm-et-10 2021-08-22 19:22 01:14:57 1965702 500 435 2 63 +457.52 +/- 43.63
150967 ncm-et-3 2021-08-22 19:21 01:15:10 1957876 500 420 1 79 +421.93 +/- 38.73
150966 ncm-et-9 2021-08-22 19:21 01:14:59 1965236 500 441 0 59 +481.09 +/- 45.07
150965 ncm-et-15 2021-08-22 19:20 01:15:43 1957566 500 435 1 64 +460.32 +/- 43.24
150964 ncm-et-13 2021-08-22 19:20 01:15:59 1958482 500 413 0 87 +408.38 +/- 36.75
150963 ncm-et-4 2021-08-22 19:20 01:16:08 1957705 500 420 2 78 +419.61 +/- 39.03
150962 ncm-et-10 2021-08-22 18:06 01:15:19 1959245 500 429 0 71 +446.7 +/- 40.89
150961 ncm-et-3 2021-08-22 18:06 01:14:24 1962480 500 433 0 67 +457.52 +/- 42.15
150960 ncm-et-4 2021-08-22 18:04 01:15:23 1940031 500 414 0 86 +410.58 +/- 36.97
150959 ncm-et-13 2021-08-22 18:03 01:16:16 1956024 500 420 3 77 +417.32 +/- 39.31
150958 ncm-et-9 2021-08-22 18:03 01:16:41 1941028 500 428 0 72 +444.08 +/- 40.59
150957 ncm-et-15 2021-08-22 18:03 01:16:37 1956944 500 423 0 77 +431.48 +/- 39.18
150956 ncm-et-3 2021-08-22 16:50 01:15:27 1957416 500 422 0 78 +429.05 +/- 38.92
150955 ncm-et-10 2021-08-22 16:49 01:16:43 1955274 500 431 2 67 +446.7 +/- 42.25
150954 ncm-et-9 2021-08-22 16:49 01:14:03 1976693 500 434 0 66 +460.32 +/- 42.48
150953 ncm-et-15 2021-08-22 16:47 01:15:06 1960005 500 427 1 72 +438.95 +/- 40.66
150952 ncm-et-13 2021-08-22 16:47 01:15:30 1956030 500 426 0 74 +438.95 +/- 40.01
150951 ncm-et-4 2021-08-22 16:47 01:16:36 1958790 500 425 0 75 +436.43 +/- 39.73
150950 ncm-et-10 2021-08-22 15:33 01:15:05 1959418 500 423 0 77 +431.48 +/- 39.18
150949 ncm-et-13 2021-08-22 15:32 01:14:20 1964465 500 432 0 68 +454.76 +/- 41.82
150948 ncm-et-3 2021-08-22 15:32 01:16:50 1951473 500 430 0 70 +449.35 +/- 41.19
150947 ncm-et-9 2021-08-22 15:32 01:16:10 1957097 500 430 1 69 +446.7 +/- 41.57
150946 ncm-et-15 2021-08-22 15:32 01:15:10 1955875 500 426 1 73 +436.43 +/- 40.36
150945 ncm-et-4 2021-08-22 15:31 01:14:51 1952067 500 431 0 69 +452.04 +/- 41.5
150944 ncm-et-9 2021-08-22 14:17 01:14:33 1961700 500 423 0 77 +431.48 +/- 39.18
150943 ncm-et-10 2021-08-22 14:17 01:16:00 1938994 500 422 1 77 +426.65 +/- 39.25
150942 ncm-et-13 2021-08-22 14:17 01:15:13 1965229 500 431 1 68 +449.35 +/- 41.89
150941 ncm-et-3 2021-08-22 14:17 01:15:08 1961076 500 421 1 78 +424.28 +/- 38.99
150940 ncm-et-15 2021-08-22 14:17 01:14:28 1956795 500 424 0 76 +433.94 +/- 39.45
150939 ncm-et-4 2021-08-22 14:17 01:14:08 1961074 500 433 2 65 +452.04 +/- 42.92

Commit

Commit ID d754ea50a8be3091f02ab279fb9069f453cc1bcc
Author bmc4
Date 2021-08-22 07:15:19 UTC
Simplify Declaration on Pawn Move Generation Removes possible micro-optimization in favor of readability. STC: LLR: 2.95 (-2.94,2.94) <-2.50,0.50> Total: 75432 W: 5824 L: 5777 D: 63831 Ptnml(0-2): 178, 4648, 28036, 4657, 197 https://tests.stockfishchess.org/tests/view/611fa7f84977aa1525c9cb75 LTC: LLR: 2.93 (-2.94,2.94) <-2.50,0.50> Total: 41200 W: 1156 L: 1106 D: 38938 Ptnml(0-2): 13, 981, 18562, 1031, 13 https://tests.stockfishchess.org/tests/view/611fcc694977aa1525c9cb9b Closes https://github.com/official-stockfish/Stockfish/pull/3669 No functional change
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