Dev Builds » 20211031-2143

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 08:26:41 1963003 3364 2887 5 472 +445.02 +/- 15.68
ncm-et-4 08:26:10 1959623 3344 2863 10 471 +440.44 +/- 15.71
ncm-et-9 08:26:26 1959378 3309 2823 5 481 +438.47 +/- 15.53
ncm-et-10 08:22:20 1955417 3298 2773 6 519 +423.09 +/- 14.94
ncm-et-13 08:27:23 1961285 3357 2830 7 520 +425.38 +/- 14.93
ncm-et-15 08:26:43 1959679 3328 2867 4 457 +449.72 +/- 15.94
20000 17043 37 2920 +436.81 +/- 6.29

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
153151 ncm-et-10 2021-11-04 18:02 00:15:09 1966922 96 86 0 10 +503.99 +/- 122.43
153150 ncm-et-9 2021-11-04 17:29 00:47:55 1958011 309 261 0 48 +429.85 +/- 50.03
153149 ncm-et-15 2021-11-04 17:27 00:49:59 1957712 328 273 1 54 +411.99 +/- 47.13
153148 ncm-et-10 2021-11-04 17:27 00:30:46 1943180 202 171 1 30 +426.16 +/- 64.37
153147 ncm-et-13 2021-11-04 17:24 00:53:17 1962016 357 304 2 51 +431.41 +/- 48.66
153146 ncm-et-4 2021-11-04 17:24 00:53:12 1940354 344 292 2 50 +427.88 +/- 49.16
153145 ncm-et-3 2021-11-04 17:22 00:54:36 1975610 364 322 0 42 +485.22 +/- 53.84
153144 ncm-et-9 2021-11-04 16:11 01:17:43 1952898 500 417 1 82 +415.05 +/- 37.98
153143 ncm-et-10 2021-11-04 16:11 01:15:39 1958781 500 411 2 87 +399.81 +/- 36.87
153142 ncm-et-15 2021-11-04 16:10 01:15:51 1958019 500 429 1 70 +444.09 +/- 41.26
153141 ncm-et-4 2021-11-04 16:09 01:14:06 1966162 500 428 2 70 +438.95 +/- 41.29
153140 ncm-et-13 2021-11-04 16:09 01:14:46 1965538 500 418 1 81 +417.32 +/- 38.22
153139 ncm-et-3 2021-11-04 16:06 01:15:30 1958624 500 429 1 70 +444.09 +/- 41.26
153138 ncm-et-15 2021-11-04 14:54 01:15:26 1964152 500 427 0 73 +441.5 +/- 40.29
153137 ncm-et-10 2021-11-04 14:54 01:15:51 1955415 500 436 0 64 +466.03 +/- 43.18
153136 ncm-et-9 2021-11-04 14:54 01:16:05 1956493 500 427 1 72 +438.95 +/- 40.66
153135 ncm-et-4 2021-11-04 14:53 01:14:55 1966927 500 430 3 67 +441.5 +/- 42.25
153134 ncm-et-13 2021-11-04 14:52 01:16:39 1960466 500 419 0 81 +421.93 +/- 38.15
153133 ncm-et-3 2021-11-04 14:50 01:15:25 1964306 500 413 0 87 +408.38 +/- 36.75
153132 ncm-et-10 2021-11-04 13:37 01:16:43 1955306 500 420 0 80 +424.27 +/- 38.4
153131 ncm-et-15 2021-11-04 13:36 01:17:20 1956034 500 431 0 69 +452.04 +/- 41.5
153130 ncm-et-9 2021-11-04 13:36 01:17:14 1952846 500 428 1 71 +441.5 +/- 40.95
153129 ncm-et-13 2021-11-04 13:36 01:14:59 1966484 500 421 3 76 +419.61 +/- 39.58
153128 ncm-et-4 2021-11-04 13:35 01:17:29 1960942 500 442 1 57 +481.1 +/- 45.96
153127 ncm-et-3 2021-11-04 13:34 01:15:43 1956178 500 418 2 80 +415.05 +/- 38.52
153126 ncm-et-10 2021-11-04 12:21 01:14:57 1958192 500 407 0 93 +395.65 +/- 35.48
153125 ncm-et-4 2021-11-04 12:20 01:14:12 1961247 500 425 0 75 +436.43 +/- 39.73
153124 ncm-et-15 2021-11-04 12:19 01:16:33 1952538 500 438 1 61 +468.96 +/- 44.35
153123 ncm-et-13 2021-11-04 12:19 01:16:07 1958484 500 422 0 78 +429.05 +/- 38.92
153122 ncm-et-3 2021-11-04 12:19 01:14:17 1960003 500 424 0 76 +433.94 +/- 39.45
153121 ncm-et-9 2021-11-04 12:18 01:16:55 1966776 500 434 2 64 +454.76 +/- 43.27
153120 ncm-et-4 2021-11-04 11:05 01:14:56 1965706 500 423 2 75 +426.65 +/- 39.83
153119 ncm-et-10 2021-11-04 11:05 01:15:55 1954849 500 426 2 72 +433.94 +/- 40.69
153118 ncm-et-13 2021-11-04 11:04 01:14:32 1964153 500 423 1 76 +429.05 +/- 39.52
153117 ncm-et-3 2021-11-04 11:03 01:15:35 1960768 500 440 1 59 +474.93 +/- 45.13
153116 ncm-et-15 2021-11-04 11:02 01:16:22 1956642 500 429 1 70 +444.09 +/- 41.26
153115 ncm-et-9 2021-11-04 11:02 01:15:45 1960767 500 428 0 72 +444.08 +/- 40.59
153114 ncm-et-4 2021-11-04 09:47 01:17:20 1956025 500 423 0 77 +431.48 +/- 39.18
153113 ncm-et-10 2021-11-04 09:47 01:17:20 1950696 500 416 1 83 +412.8 +/- 37.74
153112 ncm-et-9 2021-11-04 09:47 01:14:49 1967856 500 428 0 72 +444.08 +/- 40.59
153111 ncm-et-15 2021-11-04 09:46 01:15:12 1972661 500 440 0 60 +477.98 +/- 44.67
153110 ncm-et-3 2021-11-04 09:46 01:15:35 1965537 500 441 1 58 +477.99 +/- 45.54
153109 ncm-et-13 2021-11-04 09:46 01:17:03 1951858 500 423 0 77 +431.48 +/- 39.18

Commit

Commit ID ef4822aa8d5945d490acca674eb1db8c3c38e9d5
Author xefoci7612
Date 2021-10-31 21:43:38 UTC
Simplify Skill implementation Currently we handle the UCI_Elo with a double randomization. This seems not necessary and a bit involuted. This patch removes the first randomization and unifies the 2 cases. closes https://github.com/official-stockfish/Stockfish/pull/3769 No functional change.
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