Dev Builds » 20210614-1528

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 08:27:05 1965219 3353 2790 18 545 +409.17 +/- 14.61
ncm-et-4 08:26:55 1961736 3346 2791 11 544 +413.74 +/- 14.61
ncm-et-9 08:26:52 1961770 3333 2750 12 571 +403.5 +/- 14.25
ncm-et-10 08:27:00 1953281 3303 2711 15 577 +397.96 +/- 14.18
ncm-et-13 08:27:11 1963988 3346 2770 16 560 +405.2 +/- 14.4
ncm-et-15 08:27:05 1962341 3319 2741 10 568 +404.95 +/- 14.28
20000 16553 82 3365 +405.72 +/- 5.87

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
148753 ncm-et-10 2021-06-16 13:48 00:46:16 1951164 303 242 0 61 +380.42 +/- 43.99
148752 ncm-et-15 2021-06-16 13:45 00:49:22 1970324 319 258 1 60 +387.21 +/- 44.55
148751 ncm-et-9 2021-06-16 13:43 00:50:44 1963380 333 276 0 57 +411.49 +/- 45.69
148750 ncm-et-13 2021-06-16 13:41 00:52:39 1961385 346 284 1 61 +399.72 +/- 44.21
148749 ncm-et-3 2021-06-16 13:41 00:52:36 1969271 353 295 2 56 +412.83 +/- 46.32
148748 ncm-et-4 2021-06-16 13:41 00:53:17 1958316 346 274 0 72 +374.02 +/- 40.37
148747 ncm-et-10 2021-06-16 12:31 01:16:11 1960310 500 409 5 86 +389.56 +/- 37.13
148746 ncm-et-15 2021-06-16 12:29 01:15:21 1959416 500 418 1 81 +417.32 +/- 38.22
148745 ncm-et-13 2021-06-16 12:25 01:15:28 1962167 500 407 4 89 +387.57 +/- 36.48
148744 ncm-et-3 2021-06-16 12:25 01:15:49 1957876 500 414 2 84 +406.2 +/- 37.55
148743 ncm-et-4 2021-06-16 12:24 01:15:40 1961689 500 429 3 68 +438.95 +/- 41.92
148742 ncm-et-9 2021-06-16 12:24 01:18:41 1958934 500 407 2 91 +391.57 +/- 36.01
148741 ncm-et-10 2021-06-16 11:13 01:16:51 1951767 500 411 3 86 +397.72 +/- 37.12
148740 ncm-et-15 2021-06-16 11:12 01:16:22 1960829 500 416 1 83 +412.8 +/- 37.74
148739 ncm-et-4 2021-06-16 11:09 01:14:15 1963378 500 422 1 77 +426.65 +/- 39.25
148738 ncm-et-9 2021-06-16 11:08 01:15:00 1961100 500 410 4 86 +393.6 +/- 37.13
148737 ncm-et-13 2021-06-16 11:08 01:16:45 1967851 500 414 2 84 +406.2 +/- 37.55
148736 ncm-et-3 2021-06-16 11:07 01:16:57 1968230 500 425 1 74 +433.94 +/- 40.08
148735 ncm-et-10 2021-06-16 09:55 01:17:16 1957250 500 419 1 80 +419.61 +/- 38.47
148734 ncm-et-15 2021-06-16 09:53 01:17:32 1956382 500 426 0 74 +438.95 +/- 40.01
148733 ncm-et-4 2021-06-16 09:52 01:16:27 1961564 500 416 1 83 +412.8 +/- 37.74
148732 ncm-et-9 2021-06-16 09:52 01:16:06 1962148 500 415 2 83 +408.38 +/- 37.78
148731 ncm-et-3 2021-06-16 09:51 01:15:14 1961826 500 419 2 79 +417.32 +/- 38.77
148730 ncm-et-13 2021-06-16 09:50 01:17:11 1957887 500 421 4 75 +417.32 +/- 39.84
148729 ncm-et-10 2021-06-16 08:38 01:16:50 1956639 500 421 2 77 +421.93 +/- 39.29
148728 ncm-et-15 2021-06-16 08:37 01:15:24 1972497 500 413 2 85 +404.05 +/- 37.32
148727 ncm-et-9 2021-06-16 08:36 01:14:29 1960617 500 405 3 92 +385.59 +/- 35.84
148726 ncm-et-3 2021-06-16 08:35 01:15:46 1963722 500 419 3 78 +415.05 +/- 39.05
148725 ncm-et-4 2021-06-16 08:35 01:17:02 1953441 500 404 2 94 +385.59 +/- 35.4
148724 ncm-et-13 2021-06-16 08:35 01:14:49 1967549 500 409 1 90 +397.72 +/- 36.17
148723 ncm-et-9 2021-06-16 07:22 01:14:01 1969415 500 425 1 74 +433.94 +/- 40.08
148722 ncm-et-15 2021-06-16 07:21 01:15:53 1968042 500 400 3 97 +375.98 +/- 34.86
148721 ncm-et-10 2021-06-16 07:21 01:16:49 1942708 500 398 2 100 +374.11 +/- 34.27
148720 ncm-et-4 2021-06-16 07:19 01:15:08 1970647 500 419 1 80 +419.61 +/- 38.47
148719 ncm-et-3 2021-06-16 07:19 01:15:40 1963890 500 412 2 86 +401.92 +/- 37.09
148718 ncm-et-13 2021-06-16 07:18 01:16:20 1964152 500 429 1 70 +444.09 +/- 41.26
148717 ncm-et-9 2021-06-16 06:03 01:17:51 1956801 500 412 0 88 +406.2 +/- 36.53
148716 ncm-et-4 2021-06-16 06:03 01:15:06 1963118 500 427 3 70 +433.94 +/- 41.3
148715 ncm-et-10 2021-06-16 06:03 01:16:47 1953129 500 411 2 87 +399.81 +/- 36.87
148714 ncm-et-13 2021-06-16 06:03 01:13:59 1966928 500 406 3 91 +387.57 +/- 36.04
148713 ncm-et-15 2021-06-16 06:03 01:17:11 1948898 500 410 2 88 +397.72 +/- 36.65
148712 ncm-et-3 2021-06-16 06:03 01:15:03 1971718 500 406 6 88 +381.7 +/- 36.68

Commit

Commit ID 4c4e104cadceae678668f1738b5ca6296b2b4ef8
Author J. Oster
Date 2021-06-14 15:28:30 UTC
Fix a rare case of wrong TB ranking of a root move leading to a 3-fold repetition. With this small fix a draw ranking and thus a draw score is being applied. This works for both, ranking by dtz or wdl tables. Fixes https://github.com/official-stockfish/Stockfish/issues/3542 (No functional change without TBs.) Bench: 4877339
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