Dev Builds » 20211211-1456

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 11:08:06 1957566 3329 2849 5 475 +441.9 +/- 15.63
ncm-et-4 11:07:43 1958343 3337 2879 8 450 +449.83 +/- 16.08
ncm-et-9 11:07:32 1963034 3359 2903 5 451 +453.07 +/- 16.05
ncm-et-10 11:03:39 1957802 3289 2837 3 449 +451.58 +/- 16.08
ncm-et-13 11:07:40 1964018 3361 2921 5 435 +459.76 +/- 16.35
ncm-et-15 11:07:43 1960418 3325 2829 7 489 +434.84 +/- 15.41
20000 17218 33 2749 +448.36 +/- 6.49

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
155126 ncm-et-10 2021-12-12 09:25 00:58:11 1951464 283 246 0 37 +462.09 +/- 57.5
155125 ncm-et-3 2021-12-12 09:17 01:06:45 1953130 329 279 1 49 +430.25 +/- 49.64
155124 ncm-et-15 2021-12-12 09:16 01:06:45 1961691 325 274 1 50 +424.28 +/- 49.1
155123 ncm-et-4 2021-12-12 09:15 01:07:47 1961846 337 291 1 45 +450.07 +/- 51.95
155122 ncm-et-13 2021-12-12 09:12 01:11:09 1966614 361 313 0 48 +458.96 +/- 50.12
155121 ncm-et-9 2021-12-12 09:10 01:12:40 1966153 359 303 0 56 +429.06 +/- 46.17
155120 ncm-et-10 2021-12-12 07:43 01:41:25 1951760 500 430 2 68 +444.09 +/- 41.92
155119 ncm-et-3 2021-12-12 07:36 01:39:32 1960173 500 442 0 58 +484.24 +/- 45.47
155118 ncm-et-15 2021-12-12 07:34 01:41:05 1952078 500 414 3 83 +404.05 +/- 37.81
155117 ncm-et-4 2021-12-12 07:31 01:43:12 1936250 500 422 0 78 +429.05 +/- 38.92
155116 ncm-et-9 2021-12-12 07:31 01:38:06 1962614 500 436 0 64 +466.03 +/- 43.18
155115 ncm-et-13 2021-12-12 07:31 01:40:27 1958183 500 433 0 67 +457.52 +/- 42.15
155114 ncm-et-10 2021-12-12 06:01 01:41:20 1956642 500 422 0 78 +429.05 +/- 38.92
155113 ncm-et-3 2021-12-12 05:55 01:40:45 1959020 500 426 2 72 +433.94 +/- 40.69
155112 ncm-et-15 2021-12-12 05:53 01:40:41 1956945 500 429 1 70 +444.09 +/- 41.26
155111 ncm-et-9 2021-12-12 05:52 01:38:32 1964457 500 444 0 56 +490.71 +/- 46.32
155110 ncm-et-4 2021-12-12 05:51 01:39:19 1962939 500 438 2 60 +466.04 +/- 44.75
155109 ncm-et-13 2021-12-12 05:51 01:38:37 1963845 500 429 1 70 +444.09 +/- 41.26
155108 ncm-et-10 2021-12-12 04:21 01:38:44 1963538 500 433 0 67 +457.52 +/- 42.15
155107 ncm-et-3 2021-12-12 04:13 01:41:32 1957707 500 421 0 79 +426.65 +/- 38.66
155106 ncm-et-4 2021-12-12 04:12 01:38:50 1964308 500 435 4 61 +452.04 +/- 44.3
155105 ncm-et-9 2021-12-12 04:12 01:39:37 1959395 500 429 0 71 +446.7 +/- 40.89
155104 ncm-et-13 2021-12-12 04:12 01:39:05 1968326 500 434 2 64 +454.76 +/- 43.27
155103 ncm-et-15 2021-12-12 04:11 01:41:06 1967232 500 425 0 75 +436.43 +/- 39.73
155102 ncm-et-10 2021-12-12 02:39 01:42:01 1958326 500 428 0 72 +444.08 +/- 40.59
155101 ncm-et-3 2021-12-12 02:34 01:38:34 1959707 500 439 0 61 +474.93 +/- 44.28
155100 ncm-et-15 2021-12-12 02:33 01:38:13 1968167 500 427 0 73 +441.5 +/- 40.29
155099 ncm-et-9 2021-12-12 02:32 01:38:55 1960464 500 435 2 63 +457.52 +/- 43.63
155098 ncm-et-4 2021-12-12 02:31 01:39:55 1959715 500 430 0 70 +449.35 +/- 41.19
155097 ncm-et-13 2021-12-12 02:31 01:39:39 1965928 500 436 0 64 +466.03 +/- 43.18
155096 ncm-et-10 2021-12-12 00:57 01:41:12 1957709 500 441 1 58 +477.99 +/- 45.54
155095 ncm-et-3 2021-12-12 00:53 01:39:54 1965539 500 418 0 82 +419.61 +/- 37.91
155094 ncm-et-9 2021-12-12 00:52 01:39:28 1960924 500 427 2 71 +436.43 +/- 40.99
155093 ncm-et-15 2021-12-12 00:51 01:40:32 1956953 500 429 1 70 +444.09 +/- 41.26
155092 ncm-et-4 2021-12-12 00:51 01:39:33 1953014 500 430 0 70 +449.35 +/- 41.19
155091 ncm-et-13 2021-12-12 00:51 01:39:55 1960471 500 445 2 53 +487.45 +/- 47.75
155090 ncm-et-10 2021-12-11 23:17 01:39:21 1963884 500 431 0 69 +452.04 +/- 41.5
155089 ncm-et-13 2021-12-11 23:11 01:38:48 1964764 500 431 0 69 +452.04 +/- 41.5
155088 ncm-et-15 2021-12-11 23:11 01:39:21 1959862 500 431 1 68 +449.35 +/- 41.89
155087 ncm-et-3 2021-12-11 23:11 01:41:04 1947690 500 424 2 74 +429.05 +/- 40.11
155086 ncm-et-4 2021-12-11 23:11 01:39:07 1970332 500 433 1 66 +454.76 +/- 42.55
155085 ncm-et-9 2021-12-11 23:11 01:40:14 1967231 500 429 1 70 +444.09 +/- 41.26
155084 ncm-et-10 2021-12-11 23:11 00:01:25 1959100 6 6 0 0 +1199.83 +/- 215.27

Commit

Commit ID d579db34a3f7a26cd5502e79dafde2a80614d645
Author Stefan Geschwentner
Date 2021-12-11 14:56:38 UTC
Simplify falling eval time factor. Remove the difference to previous best score in falling eval calculation. As compensation double the effect of the difference to previous best average score. STC: LLR: 2.95 (-2.94,2.94) <-2.25,0.25> Total: 86944 W: 22363 L: 22285 D: 42296 Ptnml(0-2): 273, 9227, 24396, 9301, 275 https://tests.stockfishchess.org/tests/view/61b111ce06b4c2dcb1b11546 LTC: LLR: 2.96 (-2.94,2.94) <-2.25,0.25> Total: 134944 W: 34606 L: 34596 D: 65742 Ptnml(0-2): 66, 12941, 41456, 12935, 74 https://tests.stockfishchess.org/tests/view/61b19ca206b4c2dcb1b13a8b closes https://github.com/official-stockfish/Stockfish/pull/3841 Bench: 4729473
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