Dev Builds » 20220911-1205

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 13:50:09 1962175 4101 3539 10 552 +450.05 +/- 14.51
ncm-et-9 13:49:56 1959919 4066 3489 9 568 +443.93 +/- 14.3
ncm-et-10 12:39:40 1956163 3668 3150 7 511 +445.22 +/- 15.07
ncm-et-13 13:49:44 1956795 4078 3478 11 589 +436.65 +/- 14.04
ncm-et-15 13:50:07 1960191 4087 3501 8 578 +442.35 +/- 14.17
20000 17157 45 2798 +443.57 +/- 6.43

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
160569 ncm-et-9 2022-09-15 15:59 00:14:21 1958169 66 56 0 10 +434.51 +/- 120.86
160568 ncm-et-13 2022-09-15 15:57 00:16:33 1949333 78 68 2 8 +431.67 +/- 133.3
160567 ncm-et-15 2022-09-15 15:55 00:18:36 1957399 87 74 0 13 +437.13 +/- 102.77
160566 ncm-et-3 2022-09-15 15:53 00:21:12 1963839 101 89 0 12 +479.8 +/- 108.62
160565 ncm-et-10 2022-09-15 15:07 01:06:34 1942475 321 275 0 46 +444.99 +/- 51.21
160564 ncm-et-10 2022-09-15 14:35 00:28:43 1970522 141 126 0 15 +500.14 +/- 95.16
160563 ncm-et-9 2022-09-15 14:16 01:42:41 1960476 500 427 1 72 +438.95 +/- 40.66
160562 ncm-et-15 2022-09-15 14:14 01:40:52 1967851 500 431 0 69 +452.04 +/- 41.5
160561 ncm-et-13 2022-09-15 14:12 01:44:12 1952534 500 428 1 71 +441.5 +/- 40.95
160560 ncm-et-3 2022-09-15 14:11 01:41:12 1958788 500 439 1 60 +471.92 +/- 44.73
160559 ncm-et-10 2022-09-15 14:11 00:20:39 1944120 96 81 0 15 +428.73 +/- 94.31
160558 ncm-et-10 2022-09-15 13:55 00:12:09 1959259 57 50 0 7 +473.66 +/- 156.47
160557 ncm-et-10 2022-09-15 13:26 00:25:10 1947530 117 103 0 14 +478.49 +/- 98.9
160556 ncm-et-10 2022-09-15 13:04 00:19:15 1963636 92 83 1 8 +496.22 +/- 140.39
160555 ncm-et-10 2022-09-15 12:43 00:17:31 1956334 85 77 1 7 +501.03 +/- 154.1
160554 ncm-et-9 2022-09-15 12:34 01:41:40 1960464 500 433 2 65 +452.04 +/- 42.92
160553 ncm-et-15 2022-09-15 12:30 01:42:44 1952828 500 422 0 78 +429.05 +/- 38.92
160552 ncm-et-3 2022-09-15 12:30 01:40:33 1960006 500 441 4 55 +468.96 +/- 46.71
160551 ncm-et-13 2022-09-15 12:28 01:43:29 1955262 500 425 1 74 +433.94 +/- 40.08
160550 ncm-et-10 2022-09-15 12:27 00:11:43 1974411 58 53 0 5 +538.47 +/- 217.46
160549 ncm-et-10 2022-09-15 12:11 00:12:17 1943747 56 47 0 9 +423.4 +/- 129.11
160548 ncm-et-10 2022-09-15 11:52 00:16:01 1952220 75 66 0 9 +477.95 +/- 130.75
160547 ncm-et-10 2022-09-15 11:37 00:11:07 1959396 53 39 0 14 +327.04 +/- 95.96
160546 ncm-et-10 2022-09-15 11:22 00:11:45 1955570 53 41 0 12 +357.55 +/- 105.93
160545 ncm-et-10 2022-09-15 11:02 00:16:06 1970098 76 64 0 12 +426.75 +/- 107.67
160544 ncm-et-9 2022-09-15 10:51 01:42:29 1959090 500 435 2 63 +457.52 +/- 43.63
160543 ncm-et-15 2022-09-15 10:49 01:40:31 1961077 500 429 1 70 +444.09 +/- 41.26
160542 ncm-et-3 2022-09-15 10:47 01:41:46 1960358 500 428 1 71 +441.5 +/- 40.95
160541 ncm-et-13 2022-09-15 10:46 01:41:39 1956201 500 432 1 67 +452.04 +/- 42.22
160540 ncm-et-10 2022-09-15 10:42 00:16:30 1955345 78 67 0 11 +447.96 +/- 114.08
160539 ncm-et-10 2022-09-15 10:22 00:17:03 1952730 82 68 0 14 +411.96 +/- 97.92
160538 ncm-et-10 2022-09-15 10:03 00:15:30 1959390 74 64 0 10 +455.92 +/- 121.4
160537 ncm-et-10 2022-09-15 09:44 00:15:27 1953284 75 65 0 10 +458.42 +/- 121.46
160536 ncm-et-10 2022-09-15 09:17 00:24:05 1954731 117 98 0 19 +421.46 +/- 82.31
160535 ncm-et-9 2022-09-15 09:09 01:40:47 1965688 500 426 2 72 +433.94 +/- 40.69
160534 ncm-et-15 2022-09-15 09:06 01:42:04 1959106 500 422 2 76 +424.28 +/- 39.56
160533 ncm-et-13 2022-09-15 09:06 01:39:06 1961881 500 429 2 69 +441.5 +/- 41.61
160532 ncm-et-3 2022-09-15 09:06 01:40:59 1964929 500 423 0 77 +431.48 +/- 39.18
160531 ncm-et-10 2022-09-15 08:47 00:26:27 1971433 126 109 0 17 +456.23 +/- 88.05
160530 ncm-et-10 2022-09-15 08:18 00:25:35 1950399 123 108 0 15 +474.99 +/- 94.9
160529 ncm-et-10 2022-09-15 07:48 00:26:27 1952678 130 114 0 16 +473.29 +/- 91.37
160528 ncm-et-15 2022-09-15 07:25 01:40:56 1964609 500 430 0 70 +449.35 +/- 41.19
160527 ncm-et-9 2022-09-15 07:25 01:43:48 1952388 500 426 1 73 +436.43 +/- 40.36
160526 ncm-et-13 2022-09-15 07:24 01:41:20 1962153 500 416 2 82 +410.58 +/- 38.02
160525 ncm-et-3 2022-09-15 07:23 01:42:16 1958172 500 440 1 59 +474.93 +/- 45.13
160524 ncm-et-10 2022-09-15 06:03 01:43:47 1931544 500 416 2 82 +410.58 +/- 38.02
160523 ncm-et-13 2022-09-15 05:43 01:40:13 1960482 500 428 2 70 +438.95 +/- 41.29
160522 ncm-et-15 2022-09-15 05:43 01:41:25 1960161 500 435 1 64 +460.32 +/- 43.24
160521 ncm-et-9 2022-09-15 05:42 01:41:47 1953904 500 439 0 61 +474.93 +/- 44.28
160520 ncm-et-10 2022-09-15 05:42 00:17:30 1972051 83 72 1 10 +443.34 +/- 120.75
160519 ncm-et-3 2022-09-15 05:42 01:40:00 1969093 500 422 2 76 +424.28 +/- 39.56
160518 ncm-et-13 2022-09-15 04:02 01:40:44 1961394 500 415 0 85 +412.8 +/- 37.2
160517 ncm-et-10 2022-09-15 04:01 01:40:41 1962000 500 431 1 68 +449.35 +/- 41.89
160516 ncm-et-9 2022-09-15 04:00 01:41:22 1967852 500 422 0 78 +429.05 +/- 38.92
160515 ncm-et-3 2022-09-15 03:59 01:42:00 1963900 500 434 1 65 +457.52 +/- 42.89
160514 ncm-et-15 2022-09-15 03:59 01:42:54 1957412 500 429 2 69 +441.5 +/- 41.61
160513 ncm-et-13 2022-09-15 02:19 01:42:28 1951921 500 437 0 63 +468.95 +/- 43.54
160512 ncm-et-9 2022-09-15 02:19 01:41:01 1961244 500 425 1 74 +433.94 +/- 40.08
160511 ncm-et-3 2022-09-15 02:19 01:40:11 1960492 500 423 0 77 +431.48 +/- 39.18
160510 ncm-et-15 2022-09-15 02:19 01:40:05 1961279 500 429 2 69 +441.5 +/- 41.61
160509 ncm-et-10 2022-09-15 02:19 01:41:38 1949188 500 433 1 66 +454.76 +/- 42.55

Commit

Commit ID eaf2c8207fff9699201085fec123c114f454f798
Author Michael Chaly
Date 2022-09-11 12:05:39 UTC
Further LTC tuning of search parameters Tuning done by bigpenor with some hand adjustments on top by Viz. Had a good performance at fixed games 180+1.8: https://tests.stockfishchess.org/tests/view/631836b437f41b13973d7da1 Elo: 1.35 +-1.2 (95%) LOS: 98.6% Total: 60000 W: 16422 L: 16189 D: 27389 Ptnml(0-2): 39, 5335, 18992, 5622, 12 nElo: 3.13 +-2.8 (95%) PairsRatio: 1.05 Passed 60+0.6 8 threads SPRT: https://tests.stockfishchess.org/tests/view/631ba0ff74bc4fe483a99db3 LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 29712 W: 8301 L: 8039 D: 13372 Ptnml(0-2): 12, 2318, 9925, 2598, 3 closes https://github.com/official-stockfish/Stockfish/pull/4160 bench 3938073
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