Dev Builds » 20201218-2017

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 08:09:33 1970452 3249 2572 22 655 +367.55 +/- 13.31
ncm-et-4 08:09:23 1959939 3251 2612 24 615 +377.93 +/- 13.74
ncm-et-9 08:09:13 1968478 3251 2621 19 611 +382.05 +/- 13.78
ncm-et-10 08:09:07 1959536 3227 2578 15 634 +376.2 +/- 13.51
ncm-et-13 09:23:40 1961517 3752 2946 16 790 +364.01 +/- 12.09
ncm-et-15 08:09:24 1967975 3270 2579 19 672 +365.76 +/- 13.13
20000 15908 115 3977 +371.93 +/- 5.39

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
141648 ncm-et-10 2020-12-19 16:02 00:33:35 1966463 227 179 2 46 +362.96 +/- 51.2
141647 ncm-et-13 2020-12-19 15:58 00:37:48 1962919 252 198 1 53 +364.75 +/- 47.43
141646 ncm-et-3 2020-12-19 15:58 00:37:58 1973123 249 208 2 39 +409.82 +/- 55.96
141645 ncm-et-9 2020-12-19 15:58 00:38:04 1965696 251 208 0 43 +411.33 +/- 52.92
141644 ncm-et-4 2020-12-19 15:57 00:38:25 1912418 251 202 0 49 +386.35 +/- 49.31
141643 ncm-et-15 2020-12-19 15:55 00:41:04 1961845 270 217 0 53 +385.29 +/- 47.34
141642 ncm-et-10 2020-12-19 14:46 01:15:06 1956026 500 401 3 96 +377.87 +/- 35.05
141641 ncm-et-13 2020-12-19 14:42 01:14:55 1960922 500 396 2 102 +370.41 +/- 33.92
141640 ncm-et-3 2020-12-19 14:42 01:15:15 1965087 500 394 2 104 +366.78 +/- 33.58
141639 ncm-et-9 2020-12-19 14:41 01:15:53 1968473 500 410 1 89 +399.81 +/- 36.38
141638 ncm-et-15 2020-12-19 14:40 01:13:35 1966619 500 385 1 114 +352.8 +/- 31.94
141637 ncm-et-4 2020-12-19 14:40 01:16:19 1967387 500 406 3 91 +387.57 +/- 36.04
141636 ncm-et-10 2020-12-19 13:30 01:15:16 1960781 500 395 6 99 +361.43 +/- 34.54
141635 ncm-et-9 2020-12-19 13:26 01:13:47 1972652 500 407 2 91 +391.57 +/- 36.01
141634 ncm-et-3 2020-12-19 13:25 01:15:13 1971720 500 402 3 95 +379.78 +/- 35.24
141633 ncm-et-13 2020-12-19 13:25 01:15:51 1960156 500 395 1 104 +370.41 +/- 33.52
141632 ncm-et-4 2020-12-19 13:24 01:14:25 1970328 500 396 2 102 +370.41 +/- 33.92
141631 ncm-et-15 2020-12-19 13:24 01:15:12 1965996 500 396 6 98 +363.2 +/- 34.72
141630 ncm-et-10 2020-12-19 12:14 01:14:55 1962162 500 414 1 85 +408.38 +/- 37.27
141629 ncm-et-9 2020-12-19 12:10 01:15:10 1968938 500 401 4 95 +375.98 +/- 35.27
141628 ncm-et-4 2020-12-19 12:08 01:15:11 1964313 500 412 4 84 +397.72 +/- 37.58
141627 ncm-et-3 2020-12-19 12:08 01:16:05 1965085 500 393 6 101 +357.94 +/- 34.18
141626 ncm-et-15 2020-12-19 12:08 01:15:04 1965077 500 402 3 95 +379.78 +/- 35.24
141625 ncm-et-13 2020-12-19 12:07 01:16:49 1961381 500 409 4 87 +391.57 +/- 36.91
141624 ncm-et-10 2020-12-19 10:55 01:17:53 1954499 500 406 0 94 +393.6 +/- 35.29
141623 ncm-et-3 2020-12-19 10:53 01:13:42 1975603 500 394 2 104 +366.78 +/- 33.58
141622 ncm-et-9 2020-12-19 10:52 01:16:17 1964006 500 396 5 99 +364.98 +/- 34.53
141621 ncm-et-4 2020-12-19 10:52 01:15:16 1963689 500 404 2 94 +385.59 +/- 35.4
141620 ncm-et-13 2020-12-19 10:52 01:14:29 1962610 500 383 3 114 +346.12 +/- 32.03
141619 ncm-et-15 2020-12-19 10:52 01:15:04 1968020 500 398 1 101 +375.98 +/- 34.04
141618 ncm-et-13 2020-12-19 09:37 01:13:44 1961689 500 384 4 112 +346.12 +/- 32.37
141617 ncm-et-3 2020-12-19 09:37 01:15:39 1972509 500 392 6 102 +356.21 +/- 34.01
141616 ncm-et-10 2020-12-19 09:36 01:17:09 1957094 500 391 2 107 +361.43 +/- 33.08
141615 ncm-et-9 2020-12-19 09:36 01:15:22 1969553 500 413 4 83 +399.81 +/- 37.82
141614 ncm-et-15 2020-12-19 09:36 01:14:42 1974069 500 390 4 106 +356.21 +/- 33.31
141613 ncm-et-4 2020-12-19 09:36 01:15:00 1971416 500 397 9 94 +359.68 +/- 35.41
141612 ncm-et-10 2020-12-19 08:20 01:15:13 1959729 500 392 1 107 +364.98 +/- 33.02
141611 ncm-et-9 2020-12-19 08:20 01:14:40 1970034 500 386 3 111 +351.11 +/- 32.49
141610 ncm-et-13 2020-12-19 08:20 01:15:51 1962765 500 398 0 102 +377.87 +/- 33.8
141609 ncm-et-15 2020-12-19 08:20 01:14:43 1974204 500 391 4 105 +357.94 +/- 33.48
141608 ncm-et-3 2020-12-19 08:20 01:15:41 1970041 500 389 1 110 +359.68 +/- 32.55
141607 ncm-et-4 2020-12-19 08:20 01:14:47 1970024 500 395 4 101 +364.98 +/- 34.16
141565 ncm-et-13 2020-12-18 23:29 01:14:13 1959699 500 383 1 116 +349.43 +/- 31.64

Commit

Commit ID 66a7a8a0cc4a5958c91c46d32197dc04523cdb43
Author FauziAkram
Date 2020-12-18 20:17:34 UTC
Adjust definition of unsafeSquares and adjust related bonus values. The bonus is now not given whenever there is an enemy piece in front of the pawn. Passed STC: LLR: 2.94 (-2.94,2.94) {-0.25,1.25} Total: 109472 W: 22097 L: 21673 D: 65702 Ptnml(0-2): 2111, 12800, 24482, 13240, 2103 https://tests.stockfishchess.org/tests/view/5fd8d3740c5870924361ffad Passed LTC: LLR: 2.95 (-2.94,2.94) {0.25,1.25} Total: 39384 W: 5334 L: 4990 D: 29060 Ptnml(0-2): 279, 3648, 11535, 3910, 320 https://tests.stockfishchess.org/tests/view/5fd971ab0c5870924361fff0 closes https://github.com/official-stockfish/Stockfish/pull/3266 Bench: 4488955
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