Dev Builds » 20230202-1658

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 11:11:49 1959236 3359 2884 2 473 +446.69 +/- 15.65
ncm-et-4 11:11:44 1958733 3334 2859 3 472 +444.91 +/- 15.67
ncm-et-9 11:11:36 1959272 3314 2847 3 464 +446.94 +/- 15.81
ncm-et-10 11:12:03 1955792 3329 2887 4 438 +457.56 +/- 16.28
ncm-et-13 11:11:54 1953260 3315 2856 5 454 +449.39 +/- 15.99
ncm-et-15 11:11:47 1957745 3349 2872 1 476 +445.74 +/- 15.6
20000 17205 18 2777 +448.49 +/- 6.45

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
164712 ncm-et-13 2023-02-03 15:17 01:03:39 1958053 315 272 0 43 +454.06 +/- 53.09
164711 ncm-et-9 2023-02-03 15:16 01:03:15 1955123 314 272 0 42 +457.85 +/- 53.76
164710 ncm-et-10 2023-02-03 15:15 01:05:17 1960804 329 270 0 59 +402.62 +/- 44.85
164709 ncm-et-4 2023-02-03 15:12 01:07:50 1948821 334 280 0 54 +422.3 +/- 47.03
164708 ncm-et-3 2023-02-03 15:09 01:11:18 1960008 359 303 0 56 +429.06 +/- 46.17
164707 ncm-et-15 2023-02-03 15:08 01:12:07 1957869 349 305 0 44 +468.84 +/- 52.49
164706 ncm-et-13 2023-02-03 13:36 01:40:22 1945710 500 429 1 70 +444.09 +/- 41.26
164705 ncm-et-9 2023-02-03 13:34 01:42:15 1957575 500 430 1 69 +446.7 +/- 41.57
164704 ncm-et-10 2023-02-03 13:33 01:41:25 1949346 500 435 1 64 +460.32 +/- 43.24
164703 ncm-et-4 2023-02-03 13:32 01:39:10 1964615 500 427 0 73 +441.5 +/- 40.29
164702 ncm-et-3 2023-02-03 13:28 01:40:07 1951764 500 429 1 70 +444.09 +/- 41.26
164701 ncm-et-15 2023-02-03 13:27 01:40:45 1962460 500 428 0 72 +444.08 +/- 40.59
164700 ncm-et-13 2023-02-03 11:53 01:41:26 1950146 500 432 1 67 +452.04 +/- 42.22
164699 ncm-et-9 2023-02-03 11:52 01:41:20 1961690 500 423 0 77 +431.48 +/- 39.18
164698 ncm-et-10 2023-02-03 11:51 01:41:07 1958929 500 434 1 65 +457.52 +/- 42.89
164697 ncm-et-4 2023-02-03 11:51 01:40:47 1963544 500 439 0 61 +474.93 +/- 44.28
164696 ncm-et-3 2023-02-03 11:46 01:41:47 1943184 500 417 0 83 +417.31 +/- 37.67
164695 ncm-et-15 2023-02-03 11:45 01:40:48 1952549 500 423 1 76 +429.05 +/- 39.52
164694 ncm-et-4 2023-02-03 10:12 01:38:10 1961945 500 423 0 77 +431.48 +/- 39.18
164693 ncm-et-9 2023-02-03 10:11 01:39:24 1973897 500 419 1 80 +419.61 +/- 38.47
164692 ncm-et-13 2023-02-03 10:11 01:41:42 1951805 500 435 1 64 +460.32 +/- 43.24
164691 ncm-et-10 2023-02-03 10:10 01:40:56 1957467 500 432 1 67 +452.04 +/- 42.22
164690 ncm-et-3 2023-02-03 10:07 01:37:49 1964663 500 438 0 62 +471.92 +/- 43.9
164689 ncm-et-15 2023-02-03 10:06 01:38:55 1969248 500 424 0 76 +433.94 +/- 39.45
164688 ncm-et-9 2023-02-03 08:30 01:40:38 1954382 500 434 0 66 +460.32 +/- 42.48
164687 ncm-et-13 2023-02-03 08:29 01:41:07 1954052 500 424 1 75 +431.48 +/- 39.8
164686 ncm-et-4 2023-02-03 08:29 01:41:54 1964165 500 427 1 72 +438.95 +/- 40.66
164685 ncm-et-10 2023-02-03 08:29 01:40:17 1952390 500 436 1 63 +463.16 +/- 43.6
164684 ncm-et-3 2023-02-03 08:26 01:40:52 1958633 500 433 0 67 +457.52 +/- 42.15
164683 ncm-et-15 2023-02-03 08:24 01:40:53 1937718 500 426 0 74 +438.95 +/- 40.01
164682 ncm-et-10 2023-02-03 06:47 01:40:32 1957252 500 433 0 67 +457.52 +/- 42.15
164681 ncm-et-9 2023-02-03 06:47 01:42:16 1954378 500 435 0 65 +463.15 +/- 42.83
164680 ncm-et-4 2023-02-03 06:47 01:41:49 1953224 500 436 0 64 +466.03 +/- 43.18
164679 ncm-et-13 2023-02-03 06:46 01:42:20 1956511 500 424 0 76 +433.94 +/- 39.45
164678 ncm-et-3 2023-02-03 06:46 01:39:07 1971922 500 432 0 68 +454.76 +/- 41.82
164677 ncm-et-15 2023-02-03 06:45 01:38:54 1963752 500 434 0 66 +460.32 +/- 42.48
164676 ncm-et-15 2023-02-03 05:04 01:39:25 1960620 500 432 0 68 +454.76 +/- 41.82
164675 ncm-et-13 2023-02-03 05:04 01:41:18 1956543 500 440 1 59 +474.93 +/- 45.13
164674 ncm-et-3 2023-02-03 05:04 01:40:49 1964480 500 432 1 67 +452.04 +/- 42.22
164673 ncm-et-10 2023-02-03 05:04 01:42:29 1954361 500 447 0 53 +500.82 +/- 47.69
164672 ncm-et-9 2023-02-03 05:04 01:42:28 1957864 500 434 1 65 +457.52 +/- 42.89
164671 ncm-et-4 2023-02-03 05:04 01:42:04 1954823 500 427 2 71 +436.43 +/- 40.99

Commit

Commit ID 3589bd008a3470336b3587e3a292a4cd6b02bf6b
Author Joost VandeVondele
Date 2023-02-02 16:58:05 UTC
Update WLD model update the WLD model with about 400M positions extracted from recent LTC games after the net updates. This ensures that the 50% win rate is again at 1.0 eval. closes https://github.com/official-stockfish/Stockfish/pull/4373 No functional change.
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