Dev Builds » 20220422-0609

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 11:20:32 1956825 3344 2872 0 472 +447.83 +/- 15.66
ncm-et-4 11:20:26 1948127 3276 2810 11 455 +442.01 +/- 15.99
ncm-et-9 11:20:39 1962074 3335 2849 8 478 +438.79 +/- 15.59
ncm-et-10 11:20:01 1957171 3343 2857 5 481 +440.38 +/- 15.53
ncm-et-13 11:20:08 1962152 3340 2843 8 489 +434.94 +/- 15.41
ncm-et-15 11:20:27 1962051 3362 2867 8 487 +436.92 +/- 15.44
20000 17098 40 2862 +440.1 +/- 6.36

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
158220 ncm-et-4 2022-04-23 08:28 00:56:55 1952987 276 241 1 34 +462.54 +/- 60.3
158219 ncm-et-13 2022-04-23 08:17 01:08:58 1963298 340 292 1 47 +443.93 +/- 50.76
158218 ncm-et-9 2022-04-23 08:16 01:09:42 1957867 335 279 1 55 +412.63 +/- 46.69
158217 ncm-et-10 2022-04-23 08:15 01:10:01 1960154 343 294 0 49 +445.57 +/- 49.55
158216 ncm-et-3 2022-04-23 08:13 01:11:46 1957711 344 300 0 44 +466.17 +/- 52.49
158215 ncm-et-15 2022-04-23 08:12 01:13:00 1964457 362 304 2 56 +417.61 +/- 46.32
158214 ncm-et-4 2022-04-23 06:43 01:44:41 1944394 500 428 1 71 +441.5 +/- 40.95
158213 ncm-et-9 2022-04-23 06:35 01:40:13 1965853 500 426 0 74 +438.95 +/- 40.01
158212 ncm-et-13 2022-04-23 06:35 01:41:06 1963249 500 430 1 69 +446.7 +/- 41.57
158211 ncm-et-10 2022-04-23 06:34 01:40:36 1962468 500 433 0 67 +457.52 +/- 42.15
158210 ncm-et-15 2022-04-23 06:31 01:41:01 1960308 500 421 2 77 +421.93 +/- 39.29
158209 ncm-et-3 2022-04-23 06:30 01:43:00 1946358 500 425 0 75 +436.43 +/- 39.73
158208 ncm-et-4 2022-04-23 04:59 01:43:07 1952372 500 426 3 71 +431.48 +/- 41.0
158207 ncm-et-9 2022-04-23 04:53 01:40:47 1964150 500 430 3 67 +441.5 +/- 42.25
158206 ncm-et-13 2022-04-23 04:52 01:42:30 1958168 500 425 2 73 +431.48 +/- 40.4
158205 ncm-et-10 2022-04-23 04:49 01:44:01 1951467 500 419 2 79 +417.32 +/- 38.77
158204 ncm-et-3 2022-04-23 04:49 01:39:54 1960490 500 424 0 76 +433.94 +/- 39.45
158203 ncm-et-15 2022-04-23 04:48 01:42:23 1960620 500 438 2 60 +466.04 +/- 44.75
158202 ncm-et-4 2022-04-23 03:15 01:43:14 1949031 500 430 0 70 +449.35 +/- 41.19
158201 ncm-et-9 2022-04-23 03:10 01:42:26 1959083 500 424 1 75 +431.48 +/- 39.8
158200 ncm-et-13 2022-04-23 03:09 01:42:11 1966308 500 415 3 82 +406.2 +/- 38.05
158199 ncm-et-15 2022-04-23 03:07 01:39:46 1967235 500 438 0 62 +471.92 +/- 43.9
158198 ncm-et-10 2022-04-23 03:07 01:41:31 1954500 500 434 0 66 +460.32 +/- 42.48
158197 ncm-et-3 2022-04-23 03:06 01:42:43 1949179 500 433 0 67 +457.52 +/- 42.15
158196 ncm-et-4 2022-04-23 01:31 01:44:07 1954197 500 427 1 72 +438.95 +/- 40.66
158195 ncm-et-9 2022-04-23 01:29 01:41:01 1962763 500 421 1 78 +424.28 +/- 38.99
158194 ncm-et-13 2022-04-23 01:27 01:41:08 1963083 500 412 1 87 +404.05 +/- 36.82
158193 ncm-et-3 2022-04-23 01:25 01:40:32 1960923 500 431 0 69 +452.04 +/- 41.5
158192 ncm-et-15 2022-04-23 01:25 01:42:00 1962456 500 422 1 77 +426.65 +/- 39.25
158191 ncm-et-10 2022-04-23 01:24 01:42:11 1958323 500 433 1 66 +454.76 +/- 42.55
158190 ncm-et-4 2022-04-22 23:46 01:43:50 1943001 500 433 1 66 +454.76 +/- 42.55
158189 ncm-et-13 2022-04-22 23:45 01:41:26 1963256 500 431 0 69 +452.04 +/- 41.5
158188 ncm-et-15 2022-04-22 23:44 01:39:54 1961995 500 427 1 72 +438.95 +/- 40.66
158187 ncm-et-3 2022-04-22 23:43 01:41:06 1960661 500 433 0 67 +457.52 +/- 42.15
158186 ncm-et-9 2022-04-22 23:43 01:45:28 1956790 500 430 0 70 +449.35 +/- 41.19
158185 ncm-et-10 2022-04-22 23:41 01:42:53 1953129 500 437 1 62 +466.04 +/- 43.97
158184 ncm-et-13 2022-04-22 22:01 01:42:49 1957708 500 438 0 62 +471.92 +/- 43.9
158183 ncm-et-10 2022-04-22 22:01 01:38:48 1960161 500 407 1 92 +393.6 +/- 35.75
158182 ncm-et-15 2022-04-22 22:01 01:42:23 1957288 500 417 0 83 +417.31 +/- 37.67
158181 ncm-et-4 2022-04-22 22:01 01:44:32 1940913 500 425 4 71 +426.65 +/- 40.98
158180 ncm-et-9 2022-04-22 22:01 01:41:02 1968012 500 439 2 59 +468.96 +/- 45.15
158179 ncm-et-3 2022-04-22 22:01 01:41:31 1962456 500 426 0 74 +438.95 +/- 40.01

Commit

Commit ID e41f727f0f7041b43997f04c031353be5087856b
Author Michael Chaly
Date 2022-04-22 06:09:40 UTC
Simplify away best move count logic the only place where it was used it was true with >99% probability so it seemed to not be doing much any more. Passed STC: https://tests.stockfishchess.org/tests/view/625f4778d00da81c22dd4c93 LLR: 2.95 (-2.94,2.94) <-2.25,0.25> Total: 85152 W: 22487 L: 22406 D: 40259 Ptnml(0-2): 313, 9035, 23818, 9078, 332 Passed LTC: https://tests.stockfishchess.org/tests/view/625ff1f1b03f22647441a215 LLR: 2.94 (-2.94,2.94) <-2.25,0.25> Total: 66776 W: 17768 L: 17673 D: 31335 Ptnml(0-2): 46, 6200, 20792, 6313, 37 close https://github.com/official-stockfish/Stockfish/pull/3993 bench 7280798
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