Dev Builds » 20211105-2115

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 08:22:39 1962052 3314 2826 4 484 +438.37 +/- 15.48
ncm-et-4 08:22:44 1965954 3329 2895 5 429 +460.5 +/- 16.46
ncm-et-9 08:22:54 1968575 3345 2861 9 475 +439.73 +/- 15.64
ncm-et-10 08:22:56 1959354 3324 2791 3 530 +422.81 +/- 14.77
ncm-et-13 08:23:00 1966184 3367 2845 9 513 +427.0 +/- 15.04
ncm-et-15 08:22:31 1961474 3321 2802 14 505 +423.7 +/- 15.17
20000 17020 44 2936 +434.94 +/- 6.28

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
153460 ncm-et-3 2021-11-07 07:21 00:48:02 1955873 314 262 0 52 +417.76 +/- 47.94
153459 ncm-et-10 2021-11-07 07:20 00:48:54 1955733 324 267 1 56 +402.97 +/- 46.22
153458 ncm-et-15 2021-11-07 07:20 00:48:47 1960940 321 268 0 53 +418.33 +/- 47.47
153457 ncm-et-4 2021-11-07 07:19 00:50:12 1960668 329 282 0 47 +445.57 +/- 50.64
153456 ncm-et-9 2021-11-07 07:17 00:52:22 1972503 345 296 1 48 +442.88 +/- 50.2
153455 ncm-et-13 2021-11-07 07:14 00:55:02 1963233 367 313 0 54 +440.04 +/- 47.09
153454 ncm-et-3 2021-11-07 06:06 01:15:00 1959550 500 438 0 62 +471.92 +/- 43.9
153453 ncm-et-10 2021-11-07 06:05 01:14:26 1965859 500 431 0 69 +452.04 +/- 41.5
153452 ncm-et-15 2021-11-07 06:04 01:15:32 1965541 500 417 1 82 +415.05 +/- 37.98
153451 ncm-et-4 2021-11-07 06:02 01:16:04 1966013 500 437 1 62 +466.04 +/- 43.97
153450 ncm-et-9 2021-11-07 06:01 01:15:17 1966212 500 431 3 66 +444.09 +/- 42.58
153449 ncm-et-13 2021-11-07 05:59 01:14:43 1966461 500 420 5 75 +412.8 +/- 39.82
153448 ncm-et-10 2021-11-07 04:48 01:16:15 1950089 500 409 1 90 +397.72 +/- 36.17
153447 ncm-et-3 2021-11-07 04:48 01:16:40 1958480 500 422 1 77 +426.65 +/- 39.25
153446 ncm-et-15 2021-11-07 04:47 01:16:45 1956788 500 424 1 75 +431.48 +/- 39.8
153445 ncm-et-4 2021-11-07 04:46 01:15:31 1962614 500 443 0 57 +487.45 +/- 45.89
153444 ncm-et-9 2021-11-07 04:45 01:15:16 1970488 500 416 1 83 +412.8 +/- 37.74
153443 ncm-et-13 2021-11-07 04:43 01:15:33 1965708 500 418 1 81 +417.32 +/- 38.22
153442 ncm-et-10 2021-11-07 03:32 01:16:09 1955917 500 431 1 68 +449.35 +/- 41.89
153441 ncm-et-3 2021-11-07 03:31 01:16:28 1965864 500 435 0 65 +463.15 +/- 42.83
153440 ncm-et-4 2021-11-07 03:31 01:14:34 1973900 500 423 1 76 +429.05 +/- 39.52
153439 ncm-et-9 2021-11-07 03:30 01:14:43 1970185 500 431 1 68 +449.35 +/- 41.89
153438 ncm-et-15 2021-11-07 03:30 01:16:19 1954681 500 425 4 71 +426.65 +/- 40.98
153437 ncm-et-13 2021-11-07 03:28 01:14:36 1963537 500 425 0 75 +436.43 +/- 39.73
153436 ncm-et-4 2021-11-07 02:15 01:15:00 1970015 500 432 2 66 +449.35 +/- 42.58
153435 ncm-et-9 2021-11-07 02:14 01:14:56 1963074 500 429 1 70 +444.09 +/- 41.26
153434 ncm-et-3 2021-11-07 02:14 01:16:44 1953616 500 419 1 80 +419.61 +/- 38.47
153433 ncm-et-15 2021-11-07 02:14 01:15:24 1964178 500 413 2 85 +404.05 +/- 37.32
153432 ncm-et-10 2021-11-07 02:14 01:17:15 1956802 500 429 0 71 +446.7 +/- 40.89
153431 ncm-et-13 2021-11-07 02:13 01:13:45 1970956 500 426 1 73 +436.43 +/- 40.36
153430 ncm-et-4 2021-11-07 01:00 01:15:01 1968467 500 440 0 60 +477.98 +/- 44.67
153429 ncm-et-9 2021-11-07 00:59 01:15:00 1965846 500 428 1 71 +441.5 +/- 40.95
153428 ncm-et-3 2021-11-07 00:58 01:14:51 1968317 500 426 2 72 +433.94 +/- 40.69
153427 ncm-et-10 2021-11-07 00:58 01:14:52 1965689 500 402 0 98 +385.59 +/- 34.52
153426 ncm-et-15 2021-11-07 00:58 01:15:04 1965241 500 427 3 70 +433.94 +/- 41.3
153425 ncm-et-13 2021-11-07 00:58 01:14:39 1965698 500 414 2 84 +406.2 +/- 37.55
153424 ncm-et-3 2021-11-06 23:43 01:14:54 1972664 500 424 0 76 +433.94 +/- 39.45
153423 ncm-et-15 2021-11-06 23:43 01:14:40 1962949 500 428 3 69 +436.43 +/- 41.61
153422 ncm-et-9 2021-11-06 23:43 01:15:20 1971719 500 430 1 69 +446.7 +/- 41.57
153421 ncm-et-4 2021-11-06 23:43 01:16:22 1960002 500 438 1 61 +468.96 +/- 44.35
153420 ncm-et-10 2021-11-06 23:43 01:15:05 1965393 500 422 0 78 +429.05 +/- 38.92
153419 ncm-et-13 2021-11-06 23:43 01:14:42 1967695 500 429 0 71 +446.7 +/- 40.89

Commit

Commit ID 11c6cf720d4cdd882bc0f2c36e25910cf77fb57b
Author lonfom169
Date 2021-11-05 21:15:53 UTC
More futility pruning Expand maximum allowed eval by 50% in futility pruning, above the VALUE_KNOWN_WIN. STC: LLR: 2.95 (-2.94,2.94) <-0.50,2.50> Total: 128208 W: 32534 L: 32192 D: 63482 Ptnml(0-2): 298, 13484, 36216, 13790, 316 https://tests.stockfishchess.org/tests/view/6179c069a9b1d8fbcc4ee716 LTC: LLR: 2.96 (-2.94,2.94) <0.50,3.50> Total: 89816 W: 22645 L: 22265 D: 44906 Ptnml(0-2): 41, 8404, 27650, 8760, 53 https://tests.stockfishchess.org/tests/view/617ad728f411ea45cc39f895 closes https://github.com/official-stockfish/Stockfish/pull/3767 bench: 6804175
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