Dev Builds » 20220422-0617

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 11:22:40 1956436 3358 2835 9 514 +426.14 +/- 15.03
ncm-et-4 11:22:41 1957829 3325 2839 9 477 +437.85 +/- 15.61
ncm-et-9 11:22:38 1954679 3355 2878 5 472 +444.52 +/- 15.68
ncm-et-10 11:03:48 1955903 3236 2732 5 499 +427.5 +/- 15.24
ncm-et-13 11:23:05 1961662 3370 2863 5 502 +434.03 +/- 15.2
ncm-et-15 11:22:43 1960023 3356 2860 9 487 +435.84 +/- 15.45
20000 17007 42 2951 +434.25 +/- 6.26

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
158178 ncm-et-10 2022-04-22 21:13 00:47:26 1942058 223 186 2 35 +407.41 +/- 59.24
158177 ncm-et-10 2022-04-22 21:07 00:01:21 1953588 5 4 0 1 +381.35 +/- 516.06
158176 ncm-et-10 2022-04-22 21:02 00:01:25 1960687 6 5 0 1 +416.21 +/- 496.36
158175 ncm-et-10 2022-04-22 20:58 00:00:43 1949368 1 0 0 1 0.0 +/- 30.47
158174 ncm-et-4 2022-04-22 20:53 01:07:08 1954373 325 277 0 48 +439.33 +/- 50.06
158173 ncm-et-9 2022-04-22 20:48 01:12:39 1922208 355 308 0 47 +459.76 +/- 50.68
158172 ncm-et-15 2022-04-22 20:47 01:12:57 1965402 356 309 1 46 +456.37 +/- 51.37
158171 ncm-et-13 2022-04-22 20:46 01:14:36 1965225 370 317 1 52 +441.57 +/- 48.14
158170 ncm-et-3 2022-04-22 20:45 01:15:25 1942956 358 300 1 57 +418.69 +/- 45.84
158169 ncm-et-10 2022-04-22 19:15 01:42:32 1957261 500 411 1 88 +401.92 +/- 36.6
158168 ncm-et-10 2022-04-22 19:10 00:01:05 1944193 1 1 0 0 +1129.65 +/- 376.02
158167 ncm-et-4 2022-04-22 19:10 01:42:44 1952673 500 439 1 60 +471.92 +/- 44.73
158166 ncm-et-15 2022-04-22 19:06 01:40:31 1961229 500 425 1 74 +433.94 +/- 40.08
158164 ncm-et-9 2022-04-22 19:06 01:41:15 1962016 500 428 0 72 +444.08 +/- 40.59
158163 ncm-et-3 2022-04-22 19:04 01:40:22 1961846 500 425 0 75 +436.43 +/- 39.73
158162 ncm-et-13 2022-04-22 19:03 01:42:29 1952388 500 420 0 80 +424.27 +/- 38.4
158161 ncm-et-4 2022-04-22 17:26 01:43:32 1958627 500 415 3 82 +406.2 +/- 38.05
158160 ncm-et-15 2022-04-22 17:24 01:41:54 1954064 500 425 2 73 +431.48 +/- 40.4
158159 ncm-et-9 2022-04-22 17:24 01:41:20 1960155 500 417 2 81 +412.8 +/- 38.27
158158 ncm-et-3 2022-04-22 17:22 01:40:41 1959392 500 430 0 70 +449.35 +/- 41.19
158157 ncm-et-10 2022-04-22 17:22 01:43:09 1954198 500 422 0 78 +429.05 +/- 38.92
158156 ncm-et-13 2022-04-22 17:20 01:42:45 1956482 500 428 1 71 +441.5 +/- 40.95
158155 ncm-et-4 2022-04-22 15:42 01:42:26 1959106 500 431 3 66 +444.09 +/- 42.58
158154 ncm-et-15 2022-04-22 15:42 01:41:26 1962625 500 422 1 77 +426.65 +/- 39.25
158153 ncm-et-3 2022-04-22 15:42 01:40:10 1960156 500 427 1 72 +438.95 +/- 40.66
158152 ncm-et-10 2022-04-22 15:40 01:41:26 1965861 500 421 1 78 +424.28 +/- 38.99
158151 ncm-et-9 2022-04-22 15:40 01:42:45 1954809 500 435 0 65 +463.15 +/- 42.83
158150 ncm-et-13 2022-04-22 15:39 01:40:28 1968931 500 422 1 77 +426.65 +/- 39.25
158149 ncm-et-3 2022-04-22 14:00 01:41:27 1956333 500 421 1 78 +424.28 +/- 38.99
158148 ncm-et-4 2022-04-22 13:59 01:42:26 1948525 500 421 2 77 +421.93 +/- 39.29
158147 ncm-et-10 2022-04-22 13:59 01:40:22 1959399 500 426 0 74 +438.95 +/- 40.01
158146 ncm-et-15 2022-04-22 13:58 01:42:31 1958485 500 432 2 66 +449.35 +/- 42.58
158145 ncm-et-9 2022-04-22 13:57 01:42:49 1956947 500 436 1 63 +463.16 +/- 43.6
158144 ncm-et-13 2022-04-22 13:56 01:41:42 1962305 500 424 1 75 +431.48 +/- 39.8
158143 ncm-et-15 2022-04-22 12:17 01:40:29 1959713 500 421 2 77 +421.93 +/- 39.29
158142 ncm-et-3 2022-04-22 12:17 01:41:41 1957115 500 420 3 77 +417.32 +/- 39.31
158141 ncm-et-4 2022-04-22 12:16 01:43:11 1958381 500 430 0 70 +449.35 +/- 41.19
158140 ncm-et-9 2022-04-22 12:15 01:40:43 1965689 500 433 2 65 +452.04 +/- 42.92
158139 ncm-et-10 2022-04-22 12:15 01:43:58 1958780 500 433 0 67 +457.52 +/- 42.15
158138 ncm-et-13 2022-04-22 12:13 01:41:53 1963385 500 423 1 76 +429.05 +/- 39.52
158137 ncm-et-10 2022-04-22 10:34 01:40:21 1969549 500 423 1 76 +429.05 +/- 39.52
158136 ncm-et-15 2022-04-22 10:34 01:42:55 1958645 500 426 0 74 +438.95 +/- 40.01
158135 ncm-et-3 2022-04-22 10:34 01:42:54 1957257 500 412 3 85 +399.81 +/- 37.34
158134 ncm-et-4 2022-04-22 10:34 01:41:14 1973120 500 426 0 74 +438.95 +/- 40.01
158133 ncm-et-13 2022-04-22 10:34 01:39:12 1962918 500 429 0 71 +446.7 +/- 40.89
158132 ncm-et-9 2022-04-22 10:34 01:41:07 1960930 500 421 0 79 +426.65 +/- 38.66

Commit

Commit ID e1f12aa4e61a8bbb772918c405137acdd85e3eec
Author candirufish
Date 2022-04-22 06:17:22 UTC
Negative extension for ttMove that is less than alpha and value in the context of singular extensions Passed STC: https://tests.stockfishchess.org/tests/view/626047e8b03f22647441ade0 LLR: 2.97 (-2.94,2.94) <0.00,2.50> Total: 50296 W: 13410 L: 13108 D: 23778 Ptnml(0-2): 196, 5548, 13370, 5826, 208 Passed LTC: https://tests.stockfishchess.org/tests/view/6260a513b03f22647441b970 LLR: 2.96 (-2.94,2.94) <0.50,3.00> Total: 83896 W: 22433 L: 22054 D: 39409 Ptnml(0-2): 49, 8273, 24938, 8626, 62 closes https://github.com/official-stockfish/Stockfish/pull/3995 bench: 7729968
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