Dev Builds » 20170101-1004

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 06:50:02 1988096 2775 800 112 1863 +87.97 +/- 7.12
ncm-et-4 06:53:59 1986045 2782 821 119 1842 +89.61 +/- 7.22
ncm-et-5 01:53:20 2025573 773 229 34 510 +89.58 +/- 13.77
ncm-et-6 01:53:18 2026230 771 221 33 517 +86.46 +/- 13.56
ncm-et-7 01:53:23 1979201 749 210 33 506 +83.69 +/- 13.67
ncm-et-8 01:53:31 1957831 764 222 28 514 +90.2 +/- 13.51
ncm-et-9 06:50:43 1989506 2781 836 121 1824 +91.38 +/- 7.29
ncm-et-10 06:52:00 1988544 2757 829 138 1790 +88.97 +/- 7.43
ncm-et-11 01:53:28 2018233 770 228 31 511 +90.91 +/- 13.68
ncm-et-12 01:53:26 1981780 764 223 40 501 +84.87 +/- 14.01
ncm-et-13 06:50:42 1991709 2775 834 115 1826 +92.12 +/- 7.27
ncm-et-14 01:53:14 2021571 769 236 27 506 +96.86 +/- 13.74
ncm-et-15 01:53:31 2019208 770 225 32 513 +88.98 +/- 13.64
20000 5914 863 13223 +89.69 +/- 2.7

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
63584 ncm-et-13 2018-12-23 11:22 00:00:43 1969089 2 1 0 1 +190.5 +/- 634.21
63583 ncm-et-4 2018-12-23 11:20 00:02:20 1963691 13 4 0 9 +110.44 +/- 99.71
63582 ncm-et-3 2018-12-23 10:08 01:14:53 1966459 491 151 20 320 +95.0 +/- 17.43
63581 ncm-et-10 2018-12-23 10:08 01:15:00 1967077 494 133 33 328 +71.32 +/- 17.37
63580 ncm-et-13 2018-12-23 10:07 01:13:27 1978101 500 138 23 339 +81.37 +/- 16.69
63579 ncm-et-9 2018-12-23 10:07 01:14:35 1975674 499 144 24 331 +85.22 +/- 17.1
63578 ncm-et-4 2018-12-23 10:04 01:14:45 1977683 500 145 20 335 +88.74 +/- 16.82
63577 ncm-et-3 2018-12-23 08:53 01:13:50 1981622 500 142 21 337 +85.78 +/- 16.74
63576 ncm-et-9 2018-12-23 08:52 01:14:00 1967087 500 167 21 312 +104.49 +/- 17.97
63575 ncm-et-10 2018-12-23 08:51 01:15:06 1979705 500 140 24 336 +82.1 +/- 16.87
63574 ncm-et-13 2018-12-23 08:51 01:15:07 1983287 500 159 28 313 +93.2 +/- 18.09
63573 ncm-et-4 2018-12-23 08:50 01:13:32 1976222 500 151 18 331 +94.7 +/- 16.96
63572 ncm-et-3 2018-12-23 07:36 01:15:14 1964917 500 152 17 331 +96.19 +/- 16.93
63571 ncm-et-4 2018-12-23 07:36 01:12:51 1975543 500 137 29 334 +76.25 +/- 17.08
63570 ncm-et-10 2018-12-23 07:36 01:14:35 1980031 500 151 27 322 +88.0 +/- 17.63
63569 ncm-et-9 2018-12-23 07:36 01:15:19 1968327 500 135 21 344 +80.63 +/- 16.39
63568 ncm-et-13 2018-12-23 07:36 01:14:16 1987416 500 154 17 329 +97.69 +/- 17.03
63525 ncm-et-3 2018-12-22 19:52 01:12:40 1964763 500 135 24 341 +78.44 +/- 16.62
63524 ncm-et-13 2018-12-22 19:52 01:13:37 1974077 500 156 19 325 +97.69 +/- 17.28
63523 ncm-et-9 2018-12-22 19:52 01:13:23 1975136 500 155 22 323 +94.7 +/- 17.46
63522 ncm-et-4 2018-12-22 19:52 01:17:23 1966154 500 159 24 317 +96.19 +/- 17.8
63521 ncm-et-10 2018-12-22 19:52 01:13:56 1962619 500 164 18 318 +104.49 +/- 17.6
10336 ncm-et-7 2018-03-20 20:35 00:37:27 2024426 249 75 12 162 +89.86 +/- 24.68
10335 ncm-et-4 2018-03-20 20:34 00:38:05 2024264 269 81 8 180 +96.71 +/- 22.77
10334 ncm-et-15 2018-03-20 20:33 00:39:12 2019858 270 70 14 186 +73.12 +/- 22.46
10333 ncm-et-10 2018-03-20 20:33 00:39:18 2021979 263 80 12 171 +91.92 +/- 23.98
10332 ncm-et-14 2018-03-20 20:33 00:39:08 2020347 269 82 10 177 +95.32 +/- 23.3
10331 ncm-et-6 2018-03-20 20:33 00:39:24 2028196 271 80 11 180 +90.45 +/- 23.07
10330 ncm-et-11 2018-03-20 20:33 00:39:42 2018397 270 89 8 173 +107.54 +/- 23.68
10329 ncm-et-13 2018-03-20 20:32 00:40:17 2025244 273 73 11 189 +80.3 +/- 22.03
10328 ncm-et-8 2018-03-20 20:32 00:40:33 1908945 264 81 12 171 +92.96 +/- 24.02
10327 ncm-et-12 2018-03-20 20:32 00:40:34 1946783 264 76 17 171 +78.98 +/- 24.3
10326 ncm-et-3 2018-03-20 20:31 00:41:10 2025408 284 83 10 191 +91.35 +/- 22.16
10325 ncm-et-5 2018-03-20 20:31 00:41:09 2025409 273 81 8 184 +95.22 +/- 22.43
10324 ncm-et-9 2018-03-20 20:31 00:41:26 2025408 282 87 13 182 +93.35 +/- 23.32
10323 ncm-et-7 2018-03-20 19:17 01:15:56 1933976 500 135 21 344 +80.63 +/- 16.39
10322 ncm-et-10 2018-03-20 19:17 01:14:05 2019858 500 161 24 315 +97.69 +/- 17.9
10321 ncm-et-9 2018-03-20 19:17 01:12:00 2025408 500 148 20 332 +90.97 +/- 16.96
10320 ncm-et-14 2018-03-20 19:17 01:14:06 2022795 500 154 17 329 +97.69 +/- 17.03
10319 ncm-et-3 2018-03-20 19:17 01:12:15 2025409 500 137 20 343 +82.83 +/- 16.42
10318 ncm-et-4 2018-03-20 19:17 01:15:03 2018764 500 144 20 336 +88.0 +/- 16.77
10317 ncm-et-13 2018-03-20 19:17 01:13:15 2024754 500 153 17 330 +96.94 +/- 16.98
10316 ncm-et-12 2018-03-20 19:17 01:12:52 2016778 500 147 23 330 +88.0 +/- 17.14
10315 ncm-et-5 2018-03-20 19:17 01:12:11 2025737 500 148 26 326 +86.52 +/- 17.41
10314 ncm-et-8 2018-03-20 19:17 01:12:58 2006718 500 141 16 343 +88.74 +/- 16.3
10313 ncm-et-11 2018-03-20 19:17 01:13:46 2018070 500 139 23 338 +82.1 +/- 16.74
10312 ncm-et-6 2018-03-20 19:17 01:13:54 2024264 500 141 22 337 +84.31 +/- 16.77
10311 ncm-et-15 2018-03-20 19:17 01:14:19 2018558 500 155 18 327 +97.69 +/- 17.15

Commit

Commit ID b7b9d7c9c72a987bb497ec2b629d885a06238aa2
Author Aram Tumanian
Date 2017-01-01 10:04:24 UTC
Don't clear EasyMove in search() EasyMove is cleared after every iteration of the search if the 3rd move in the PV of the main thread changes from the previous iteration. Therefore, clearing EasyMove during a search iteration may be excessive. The tests show that this is indeed unnecessary. In the new version the EasyMove variable is used only in the Thread::search function. STC LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 47719 W: 8438 L: 8362 D: 30919 LTC LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 122841 W: 15448 L: 15457 D: 91936 bench: 5468995
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