Dev Builds » 20200830-1213

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 08:36:27 1962964 3337 2466 42 829 +320.01 +/- 11.82
ncm-et-4 08:36:27 1963527 3327 2445 40 842 +317.43 +/- 11.72
ncm-et-9 08:36:32 1967467 3333 2441 27 865 +318.45 +/- 11.54
ncm-et-10 08:36:38 1963219 3334 2520 39 775 +333.44 +/- 12.23
ncm-et-13 08:36:32 1961888 3335 2477 42 816 +322.77 +/- 11.92
ncm-et-15 08:36:30 1967436 3334 2480 31 823 +326.08 +/- 11.85
20000 14829 221 4950 +322.97 +/- 4.83

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
137575 ncm-et-4 2020-09-07 15:09 00:51:18 1971112 327 249 4 74 +337.43 +/- 40.03
137574 ncm-et-15 2020-09-07 15:08 00:51:22 1971099 334 253 3 78 +336.85 +/- 38.91
137573 ncm-et-9 2020-09-07 15:08 00:52:06 1964617 333 239 4 90 +305.25 +/- 36.11
137572 ncm-et-13 2020-09-07 15:08 00:52:04 1960922 335 252 2 81 +335.09 +/- 38.08
137571 ncm-et-10 2020-09-07 15:07 00:52:39 1960165 334 234 6 94 +289.77 +/- 35.36
137570 ncm-et-3 2020-09-07 15:07 00:53:03 1962609 337 259 3 75 +345.83 +/- 39.73
137569 ncm-et-9 2020-09-07 13:51 01:16:03 1964920 500 366 3 131 +319.72 +/- 29.76
137568 ncm-et-15 2020-09-07 13:51 01:16:40 1962305 500 362 2 136 +315.35 +/- 29.12
137567 ncm-et-4 2020-09-07 13:50 01:17:52 1931736 500 372 5 123 +325.67 +/- 30.84
137566 ncm-et-10 2020-09-07 13:49 01:16:43 1963086 500 382 5 113 +341.24 +/- 32.24
137565 ncm-et-13 2020-09-07 13:49 01:17:45 1964612 500 362 7 131 +308.24 +/- 29.88
137564 ncm-et-3 2020-09-07 13:48 01:17:37 1963225 500 370 6 124 +321.19 +/- 30.74
137563 ncm-et-4 2020-09-07 12:32 01:16:40 1972816 500 365 3 132 +318.25 +/- 29.64
137562 ncm-et-15 2020-09-07 12:32 01:17:36 1968005 500 376 4 120 +333.32 +/- 31.22
137561 ncm-et-10 2020-09-07 12:32 01:16:41 1968318 500 379 4 117 +338.04 +/- 31.63
137560 ncm-et-9 2020-09-07 12:31 01:18:59 1972964 500 360 0 140 +315.35 +/- 28.56
137559 ncm-et-3 2020-09-07 12:30 01:16:31 1965071 500 375 7 118 +327.18 +/- 31.56
137558 ncm-et-13 2020-09-07 12:30 01:17:52 1962610 500 368 7 125 +316.8 +/- 30.63
137557 ncm-et-4 2020-09-07 11:13 01:17:36 1969407 500 378 8 114 +330.23 +/- 32.13
137556 ncm-et-15 2020-09-07 11:13 01:17:57 1964767 500 367 3 130 +321.19 +/- 29.88
137555 ncm-et-13 2020-09-07 11:13 01:16:11 1960615 500 376 8 116 +327.18 +/- 31.84
137554 ncm-et-9 2020-09-07 11:13 01:16:59 1969087 500 370 6 124 +321.19 +/- 30.74
137553 ncm-et-10 2020-09-07 11:12 01:18:43 1956023 500 379 9 112 +330.23 +/- 32.42
137552 ncm-et-3 2020-09-07 11:11 01:18:10 1963532 500 363 8 129 +308.24 +/- 30.14
137551 ncm-et-10 2020-09-07 09:55 01:15:57 1960007 500 381 4 115 +341.24 +/- 31.92
137550 ncm-et-4 2020-09-07 09:55 01:17:38 1974518 500 368 6 126 +318.25 +/- 30.48
137549 ncm-et-9 2020-09-07 09:54 01:16:59 1971734 500 358 1 141 +311.06 +/- 28.51
137548 ncm-et-13 2020-09-07 09:54 01:17:22 1963685 500 384 5 111 +344.48 +/- 32.54
137547 ncm-et-15 2020-09-07 09:53 01:18:21 1969084 500 366 5 129 +316.8 +/- 30.08
137546 ncm-et-3 2020-09-07 09:53 01:16:47 1961382 500 376 7 117 +328.7 +/- 31.7
137545 ncm-et-10 2020-09-07 08:36 01:17:42 1967550 500 381 4 115 +341.24 +/- 31.92
137544 ncm-et-4 2020-09-07 08:36 01:17:55 1960186 500 355 5 140 +301.33 +/- 28.8
137543 ncm-et-13 2020-09-07 08:35 01:17:42 1960769 500 362 6 132 +309.64 +/- 29.74
137542 ncm-et-9 2020-09-07 08:35 01:18:04 1968793 500 384 5 111 +344.48 +/- 32.54
137541 ncm-et-3 2020-09-07 08:34 01:18:02 1963241 500 366 2 132 +321.19 +/- 29.59
137540 ncm-et-15 2020-09-07 08:34 01:18:13 1968316 500 369 9 122 +315.35 +/- 31.03
137539 ncm-et-4 2020-09-07 07:17 01:17:28 1964917 500 358 9 133 +299.97 +/- 29.68
137538 ncm-et-9 2020-09-07 07:17 01:17:22 1960156 500 364 8 128 +309.64 +/- 30.26
137537 ncm-et-3 2020-09-07 07:17 01:16:17 1961688 500 357 9 134 +298.62 +/- 29.56
137536 ncm-et-13 2020-09-07 07:17 01:17:36 1960003 500 373 7 120 +324.17 +/- 31.28
137535 ncm-et-15 2020-09-07 07:17 01:16:21 1968479 500 387 5 108 +349.43 +/- 33.01
137534 ncm-et-10 2020-09-07 07:17 01:18:13 1967385 500 384 7 109 +341.24 +/- 32.87

Commit

Commit ID c02b3a4c7a339d212d5c6f75b3b89c926d33a800
Author MJZ1977
Date 2020-08-30 12:13:16 UTC
Add / remove leaves from search tree ttPv add if previous leaf is in search tree and we didn't find a counter move else remove the position if the leaf is the last one in search tree. STC : https://tests.stockfishchess.org/tests/view/5f49203c3def640786115314 LLR: 2.95 (-2.94,2.94) {-0.25,1.25} Total: 29968 W: 3381 L: 3195 D: 23392 Ptnml(0-2): 146, 2432, 9671, 2560, 175 LTC : https://tests.stockfishchess.org/tests/view/5f494bea3def640786115336 LLR: 2.96 (-2.94,2.94) {0.25,1.25} Total: 84952 W: 4619 L: 4333 D: 76000 Ptnml(0-2): 86, 3765, 34481, 4065, 79 closes https://github.com/official-stockfish/Stockfish/pull/3075 Bench 3527337
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