Dev Builds » 20210601-2121

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 08:16:41 1965629 3352 2664 19 669 +371.41 +/- 13.16
ncm-et-4 08:16:42 1965555 3362 2742 19 601 +391.5 +/- 13.9
ncm-et-9 08:16:39 1957588 3327 2687 13 627 +385.32 +/- 13.59
ncm-et-10 08:16:50 1955537 3298 2640 8 650 +379.83 +/- 13.32
ncm-et-13 08:16:45 1961038 3328 2670 10 648 +381.0 +/- 13.35
ncm-et-15 08:16:43 1955295 3333 2689 14 630 +384.2 +/- 13.56
20000 16092 83 3825 +382.13 +/- 5.5

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
147852 ncm-et-10 2021-06-02 06:45 00:44:28 1958337 298 240 1 57 +383.65 +/- 45.74
147851 ncm-et-9 2021-06-02 06:41 00:48:38 1961381 327 257 2 68 +363.04 +/- 41.77
147850 ncm-et-15 2021-06-02 06:41 00:48:54 1965252 333 283 0 50 +436.24 +/- 49.0
147849 ncm-et-13 2021-06-02 06:40 00:49:46 1953447 328 261 2 65 +371.92 +/- 42.78
147848 ncm-et-3 2021-06-02 06:37 00:52:32 1967989 352 274 4 74 +351.99 +/- 40.06
147847 ncm-et-4 2021-06-02 06:35 00:54:48 1955599 362 285 0 77 +369.76 +/- 38.99
147846 ncm-et-10 2021-06-02 05:29 01:15:50 1955272 500 403 0 97 +387.56 +/- 34.71
147845 ncm-et-9 2021-06-02 05:26 01:13:43 1959392 500 400 0 100 +381.69 +/- 34.16
147844 ncm-et-15 2021-06-02 05:26 01:14:23 1946912 500 410 2 88 +397.72 +/- 36.65
147843 ncm-et-13 2021-06-02 05:25 01:13:54 1965534 500 400 1 99 +379.78 +/- 34.4
147842 ncm-et-3 2021-06-02 05:23 01:13:15 1973896 500 403 2 95 +383.64 +/- 35.21
147841 ncm-et-4 2021-06-02 05:21 01:13:21 1970653 500 411 4 85 +395.65 +/- 37.35
147840 ncm-et-15 2021-06-02 04:11 01:13:31 1968685 500 392 1 107 +364.98 +/- 33.02
147839 ncm-et-10 2021-06-02 04:11 01:16:49 1956483 500 408 0 92 +397.72 +/- 35.69
147838 ncm-et-9 2021-06-02 04:11 01:15:03 1957558 500 401 1 98 +381.7 +/- 34.59
147837 ncm-et-13 2021-06-02 04:09 01:15:26 1957895 500 401 3 96 +377.87 +/- 35.05
147836 ncm-et-3 2021-06-02 04:09 01:13:26 1971881 500 405 2 93 +387.57 +/- 35.6
147835 ncm-et-4 2021-06-02 04:06 01:13:48 1968043 500 411 1 88 +401.92 +/- 36.6
147834 ncm-et-10 2021-06-02 02:56 01:14:52 1956493 500 405 1 94 +389.56 +/- 35.35
147833 ncm-et-15 2021-06-02 02:55 01:15:31 1950706 500 393 2 105 +364.98 +/- 33.41
147832 ncm-et-9 2021-06-02 02:55 01:14:56 1958950 500 413 3 84 +401.92 +/- 37.57
147831 ncm-et-13 2021-06-02 02:54 01:13:59 1965551 500 404 0 96 +389.56 +/- 34.9
147830 ncm-et-3 2021-06-02 02:52 01:16:00 1953295 500 395 4 101 +364.98 +/- 34.16
147829 ncm-et-4 2021-06-02 02:52 01:13:31 1960619 500 401 6 93 +372.25 +/- 35.66
147828 ncm-et-13 2021-06-02 01:40 01:13:45 1964041 500 408 2 90 +393.6 +/- 36.22
147827 ncm-et-15 2021-06-02 01:40 01:14:42 1944216 500 407 3 90 +389.56 +/- 36.25
147826 ncm-et-9 2021-06-02 01:39 01:15:04 1959083 500 410 1 89 +399.81 +/- 36.38
147825 ncm-et-10 2021-06-02 01:39 01:15:35 1954226 500 403 1 96 +385.59 +/- 34.96
147824 ncm-et-3 2021-06-02 01:38 01:13:11 1960307 500 400 4 96 +374.11 +/- 35.07
147823 ncm-et-4 2021-06-02 01:38 01:13:27 1979668 500 412 2 86 +401.92 +/- 37.09
147822 ncm-et-15 2021-06-02 00:25 01:14:24 1952829 500 411 2 87 +399.81 +/- 36.87
147821 ncm-et-13 2021-06-02 00:25 01:14:48 1965844 500 398 1 101 +375.98 +/- 34.04
147820 ncm-et-4 2021-06-02 00:24 01:13:14 1964148 500 408 4 88 +389.56 +/- 36.69
147819 ncm-et-3 2021-06-02 00:24 01:14:00 1961868 500 389 3 108 +356.21 +/- 32.96
147818 ncm-et-9 2021-06-02 00:23 01:15:34 1945832 500 412 2 86 +401.92 +/- 37.09
147817 ncm-et-10 2021-06-02 00:23 01:15:37 1944258 500 396 3 101 +368.59 +/- 34.13
147816 ncm-et-9 2021-06-01 23:09 01:13:41 1960921 500 394 4 102 +363.2 +/- 33.99
147815 ncm-et-15 2021-06-01 23:09 01:15:18 1958469 500 393 4 103 +361.43 +/- 33.81
147814 ncm-et-10 2021-06-01 23:09 01:13:39 1963691 500 385 2 113 +351.11 +/- 32.14
147813 ncm-et-4 2021-06-01 23:09 01:14:33 1960155 500 414 2 84 +406.2 +/- 37.55
147812 ncm-et-13 2021-06-01 23:09 01:15:07 1954958 500 398 1 101 +375.98 +/- 34.04
147811 ncm-et-3 2021-06-01 23:09 01:14:17 1970172 500 398 0 102 +377.87 +/- 33.8

Commit

Commit ID 95f73ff393e5b87b2a3b4195d698b6620fd4a123
Author Stefan Geschwentner
Date 2021-06-01 21:21:00 UTC
Remove formerPV variable. STC: LLR: 2.94 (-2.94,2.94) <-2.50,0.50> Total: 75672 W: 6546 L: 6496 D: 62630 Ptnml(0-2): 238, 5274, 26761, 5326, 237 https://tests.stockfishchess.org/tests/view/60b349c0ec0c03148cbed055 LTC: LLR: 2.98 (-2.94,2.94) <-2.50,0.50> Total: 137816 W: 4676 L: 4689 D: 128451 Ptnml(0-2): 52, 4237, 60354, 4202, 63 https://tests.stockfishchess.org/tests/view/60b38970ec0c03148cbed075 closes https://github.com/official-stockfish/Stockfish/pull/3515 Bench: 4892288
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