Dev Builds » 20171218-1530

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 06:02:05 2002701 2451 952 81 1418 +129.1 +/- 8.56
ncm-et-4 06:02:01 2001336 2448 944 95 1409 +125.71 +/- 8.63
ncm-et-5 01:53:10 2023119 780 315 30 435 +133.1 +/- 15.65
ncm-et-6 01:53:18 2025573 766 300 22 444 +132.11 +/- 15.24
ncm-et-7 01:53:14 1995052 767 298 36 433 +123.65 +/- 15.73
ncm-et-8 01:53:28 1938492 736 305 20 411 +141.94 +/- 15.96
ncm-et-9 06:02:08 2001092 2474 969 87 1418 +129.55 +/- 8.59
ncm-et-10 06:01:53 1986102 2401 949 83 1369 +131.22 +/- 8.75
ncm-et-11 01:53:16 2008565 765 335 20 410 +152.08 +/- 16.11
ncm-et-12 01:53:20 2011910 775 308 31 436 +129.91 +/- 15.62
ncm-et-13 06:01:26 1981901 2418 933 80 1405 +128.07 +/- 8.59
ncm-et-14 01:53:26 2019859 778 298 17 463 +131.42 +/- 14.72
ncm-et-15 06:01:50 1994825 2441 930 82 1429 +125.94 +/- 8.5
20000 7836 684 11480 +129.99 +/- 3.01

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
54492 ncm-et-10 2018-09-20 10:40 00:23:06 1980911 157 64 4 89 +139.88 +/- 34.26
54491 ncm-et-13 2018-09-20 10:39 00:23:35 1932409 152 58 4 90 +129.06 +/- 33.69
54490 ncm-et-15 2018-09-20 10:37 00:25:26 1982165 163 69 9 85 +134.19 +/- 36.32
54489 ncm-et-4 2018-09-20 10:37 00:25:36 1990033 168 63 6 99 +122.74 +/- 32.41
54488 ncm-et-3 2018-09-20 10:36 00:26:27 1990664 171 81 1 89 +176.25 +/- 34.22
54487 ncm-et-9 2018-09-20 10:34 00:28:32 1989243 189 75 11 103 +122.48 +/- 32.77
54486 ncm-et-10 2018-09-20 09:25 01:13:40 1979503 500 197 11 292 +135.76 +/- 18.65
54485 ncm-et-15 2018-09-20 09:22 01:14:14 1984047 500 201 15 284 +135.76 +/- 19.18
54484 ncm-et-4 2018-09-20 09:22 01:14:07 1990664 500 187 21 292 +119.89 +/- 18.95
54483 ncm-et-13 2018-09-20 09:21 01:16:37 1927928 500 184 18 298 +119.89 +/- 18.57
54482 ncm-et-3 2018-09-20 09:21 01:14:20 1991297 500 192 17 291 +126.97 +/- 18.89
54481 ncm-et-9 2018-09-20 09:20 01:13:15 1989243 500 182 20 298 +116.78 +/- 18.63
54480 ncm-et-3 2018-09-20 08:07 01:12:48 1990664 500 197 21 282 +127.76 +/- 19.45
54479 ncm-et-10 2018-09-20 08:07 01:17:12 1937316 500 187 18 295 +122.24 +/- 18.72
54478 ncm-et-9 2018-09-20 08:06 01:12:36 1988770 500 199 22 279 +128.55 +/- 19.62
54477 ncm-et-13 2018-09-20 08:06 01:14:10 1988615 500 195 18 287 +128.55 +/- 19.12
54476 ncm-et-15 2018-09-20 08:06 01:15:15 1982166 500 185 12 303 +125.39 +/- 18.14
54475 ncm-et-4 2018-09-20 08:06 01:15:19 1989243 500 203 23 274 +130.94 +/- 19.9
54474 ncm-et-13 2018-09-20 06:51 01:13:52 1990822 500 196 18 286 +129.35 +/- 19.17
54473 ncm-et-3 2018-09-20 06:51 01:14:59 1991455 500 192 21 287 +123.81 +/- 19.2
54472 ncm-et-4 2018-09-20 06:51 01:13:31 1989716 500 187 22 291 +119.11 +/- 19.03
54471 ncm-et-9 2018-09-20 06:51 01:14:12 1987825 500 200 15 285 +134.95 +/- 19.13
54470 ncm-et-15 2018-09-20 06:51 01:13:41 1982321 500 179 19 302 +115.23 +/- 18.41
54469 ncm-et-10 2018-09-20 06:51 01:14:32 1979819 500 213 16 271 +144.72 +/- 19.87
7892 ncm-et-8 2018-03-13 05:24 00:36:14 1926563 236 103 6 127 +151.77 +/- 28.97
7891 ncm-et-10 2018-03-13 05:23 00:37:30 2019696 244 96 10 138 +127.94 +/- 27.81
7890 ncm-et-7 2018-03-13 05:21 00:39:05 1986489 267 112 13 142 +135.27 +/- 27.87
7889 ncm-et-11 2018-03-13 05:21 00:39:11 2014050 265 135 8 122 +181.36 +/- 30.36
7888 ncm-et-13 2018-03-13 05:21 00:39:04 2026554 266 104 8 154 +131.3 +/- 25.95
7887 ncm-et-6 2018-03-13 05:20 00:40:08 2026393 266 107 8 151 +135.83 +/- 26.34
7886 ncm-et-14 2018-03-13 05:20 00:40:27 2019696 278 109 7 162 +133.71 +/- 25.15
7885 ncm-et-4 2018-03-13 05:20 00:40:49 2023284 280 108 10 162 +126.97 +/- 25.42
7884 ncm-et-15 2018-03-13 05:19 00:40:46 2018558 278 106 13 159 +120.88 +/- 25.92
7883 ncm-et-12 2018-03-13 05:19 00:41:04 2002822 275 103 12 160 +119.47 +/- 25.68
7882 ncm-et-3 2018-03-13 05:19 00:41:16 2024427 280 109 6 165 +134.09 +/- 24.76
7881 ncm-et-9 2018-03-13 05:19 00:41:37 2026555 285 110 3 172 +137.15 +/- 23.79
7880 ncm-et-5 2018-03-13 05:18 00:41:36 2023282 280 117 12 151 +136.97 +/- 26.87
7879 ncm-et-15 2018-03-13 04:05 01:12:28 2019696 500 190 14 296 +127.76 +/- 18.55
7878 ncm-et-12 2018-03-13 04:05 01:12:16 2020999 500 205 19 276 +135.76 +/- 19.7
7877 ncm-et-5 2018-03-13 04:05 01:11:34 2022956 500 198 18 284 +130.94 +/- 19.27
7876 ncm-et-7 2018-03-13 04:05 01:14:09 2003616 500 186 23 291 +117.55 +/- 19.05
7875 ncm-et-11 2018-03-13 04:05 01:14:05 2003081 500 200 12 288 +137.37 +/- 18.88
7874 ncm-et-10 2018-03-13 04:05 01:15:53 2019370 500 192 24 284 +121.46 +/- 19.42
7873 ncm-et-4 2018-03-13 04:05 01:12:39 2025081 500 196 13 291 +133.34 +/- 18.77
7872 ncm-et-14 2018-03-13 04:05 01:12:59 2020022 500 189 10 301 +130.15 +/- 18.17
7871 ncm-et-8 2018-03-13 04:05 01:17:14 1950422 500 202 14 284 +137.37 +/- 19.15
7870 ncm-et-9 2018-03-13 04:05 01:11:56 2024917 500 203 16 281 +136.56 +/- 19.36
7869 ncm-et-13 2018-03-13 04:05 01:14:08 2025082 500 196 14 290 +132.54 +/- 18.85
7868 ncm-et-6 2018-03-13 04:05 01:13:10 2024753 500 193 14 293 +130.15 +/- 18.7
7867 ncm-et-3 2018-03-13 04:05 01:12:15 2027702 500 181 15 304 +119.89 +/- 18.19

Commit

Commit ID b53239d6410cfc87bf454370671390b04879ef05
Author Günther Demetz
Date 2017-12-18 15:30:27 UTC
Enhanced verify search (#1338) by disabling null-move-pruning for the side to move for first part of the remaining search tree. This helps to better recognize zugzwang. STC: LLR: 2.96 (-2.94,2.94) [-3.00,1.00] Total: 18220 W: 3379 L: 3253 D: 11588 http://tests.stockfishchess.org/tests/view/5a2fa6460ebc590ccbb8bc2f LTC: LLR: 2.96 (-2.94,2.94) [-3.00,1.00] Total: 41899 W: 5359 L: 5265 D: 31275 http://tests.stockfishchess.org/tests/view/5a2fcf440ebc590ccbb8bc47 For further detail see commit notes and discussion at https://github.com/pb00068/Stockfish/commit/6401a80ab91df5c54390ac357409fef2e51ff5bb bench: 5776193
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