Dev Builds » 20180331-2110

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 06:46:28 2001918 2678 1232 74 1372 +160.81 +/- 8.88
ncm-et-4 04:15:01 1990428 1680 754 52 874 +154.64 +/- 11.12
ncm-et-6 02:30:09 2025901 1000 436 40 524 +145.54 +/- 14.44
ncm-et-7 02:29:58 2023610 1000 484 25 491 +172.34 +/- 14.92
ncm-et-9 06:47:17 2005071 2686 1233 86 1367 +158.52 +/- 8.93
ncm-et-10 06:45:55 1986327 2659 1276 77 1306 +168.8 +/- 9.17
ncm-et-11 02:28:04 2018477 986 457 27 502 +162.4 +/- 14.7
ncm-et-13 06:44:10 1986119 2626 1210 91 1325 +158.14 +/- 9.1
ncm-et-14 02:26:39 2018883 996 448 26 522 +157.11 +/- 14.33
ncm-et-15 06:47:48 1993884 2689 1214 100 1375 +153.14 +/- 8.93
ncm-et-16 02:29:34 2008521 1000 450 30 520 +155.54 +/- 14.42
20000 9194 628 10178 +159.06 +/- 3.27

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
51564 ncm-et-13 2018-08-28 16:40 00:22:21 1982499 145 74 6 65 +176.76 +/- 42.1
51563 ncm-et-10 2018-08-28 16:38 00:23:59 1947451 154 76 3 75 +179.02 +/- 38.26
51562 ncm-et-15 2018-08-28 16:37 00:24:24 1980447 165 80 4 81 +173.05 +/- 36.89
51561 ncm-et-4 2018-08-28 16:35 00:26:41 1989875 180 77 11 92 +133.61 +/- 35.08
51560 ncm-et-9 2018-08-28 16:35 00:26:48 1986248 177 99 4 74 +208.3 +/- 39.28
51559 ncm-et-3 2018-08-28 16:34 00:27:27 1986095 178 83 1 94 +173.08 +/- 33.18
51558 ncm-et-13 2018-08-28 15:22 01:16:20 1986563 500 226 22 252 +150.51 +/- 21.01
51557 ncm-et-4 2018-08-28 15:18 01:15:37 1991455 500 220 13 267 +153.02 +/- 19.98
51556 ncm-et-15 2018-08-28 15:18 01:18:17 1948987 500 228 11 261 +161.49 +/- 20.23
51555 ncm-et-10 2018-08-28 15:18 01:18:46 1937750 500 258 10 232 +189.0 +/- 21.8
51554 ncm-et-9 2018-08-28 15:18 01:16:10 1989401 500 227 13 260 +158.93 +/- 20.35
51553 ncm-et-3 2018-08-28 15:17 01:15:58 1989403 500 229 18 253 +156.39 +/- 20.86
51552 ncm-et-13 2018-08-28 14:06 01:15:41 1983438 500 252 12 236 +181.7 +/- 21.63
51551 ncm-et-10 2018-08-28 14:02 01:15:12 1980130 500 235 23 242 +157.24 +/- 21.57
51550 ncm-et-4 2018-08-28 14:01 01:16:27 1992088 500 220 13 267 +153.02 +/- 19.98
51549 ncm-et-15 2018-08-28 14:01 01:16:24 1981851 500 227 21 252 +152.18 +/- 20.99
51548 ncm-et-9 2018-08-28 14:00 01:16:07 1989717 500 228 11 261 +161.49 +/- 20.23
51547 ncm-et-3 2018-08-28 14:00 01:16:20 1989087 500 220 15 265 +151.35 +/- 20.15
51546 ncm-et-13 2018-08-28 12:44 01:20:49 1912091 500 230 21 249 +154.7 +/- 21.15
51545 ncm-et-4 2018-08-28 12:44 01:16:16 1988296 500 237 15 248 +165.8 +/- 21.05
51544 ncm-et-10 2018-08-28 12:43 01:17:19 1978568 500 251 10 239 +182.61 +/- 21.4
51543 ncm-et-3 2018-08-28 12:43 01:15:36 1989717 500 233 14 253 +163.21 +/- 20.75
51542 ncm-et-9 2018-08-28 12:43 01:16:02 1991614 500 220 20 260 +147.19 +/- 20.54
51541 ncm-et-15 2018-08-28 12:43 01:16:11 1984205 500 228 27 245 +148.02 +/- 21.48
14145 ncm-et-10 2018-04-01 00:45 00:01:18 2021162 5 3 0 2 +240.65 +/- 570.11
14144 ncm-et-9 2018-04-01 00:45 00:01:50 2026391 9 4 1 4 +120.41 +/- 194.59
14143 ncm-et-15 2018-04-01 00:43 00:03:34 2018722 24 13 1 10 +190.85 +/- 113.79
14142 ncm-et-14 2018-03-31 23:34 01:12:43 2017907 496 211 13 272 +146.86 +/- 19.69
14141 ncm-et-11 2018-03-31 23:34 01:12:57 2019208 486 224 13 249 +161.56 +/- 20.86
14140 ncm-et-7 2018-03-31 23:33 01:13:25 2024427 500 241 16 243 +168.4 +/- 21.36
14139 ncm-et-13 2018-03-31 23:33 01:13:41 2025736 481 202 11 268 +145.99 +/- 19.71
14138 ncm-et-16 2018-03-31 23:32 01:14:21 2022466 500 233 14 253 +163.21 +/- 20.75
14137 ncm-et-6 2018-03-31 23:31 01:15:11 2023936 500 212 17 271 +143.07 +/- 19.9
14136 ncm-et-3 2018-03-31 23:30 01:16:00 2028688 500 234 11 255 +166.66 +/- 20.55
14135 ncm-et-10 2018-03-31 23:30 01:14:36 2018233 500 215 18 267 +144.72 +/- 20.13
14134 ncm-et-9 2018-03-31 23:29 01:14:48 2026718 500 222 17 261 +151.35 +/- 20.41
14133 ncm-et-15 2018-03-31 23:27 01:15:08 2022632 500 208 24 268 +134.15 +/- 20.22
14132 ncm-et-14 2018-03-31 22:19 01:13:56 2019859 500 237 13 250 +167.53 +/- 20.88
14131 ncm-et-11 2018-03-31 22:18 01:15:07 2017746 500 233 14 253 +163.21 +/- 20.75
14130 ncm-et-13 2018-03-31 22:17 01:15:18 2026391 500 226 19 255 +153.02 +/- 20.78
14129 ncm-et-16 2018-03-31 22:16 01:15:13 1994576 500 217 16 267 +148.02 +/- 20.07
14128 ncm-et-7 2018-03-31 22:16 01:16:33 2022794 500 243 9 248 +176.33 +/- 20.86
14127 ncm-et-6 2018-03-31 22:15 01:14:58 2027866 500 224 23 253 +148.02 +/- 20.98
14126 ncm-et-10 2018-03-31 22:14 01:14:45 2020999 500 238 13 249 +168.4 +/- 20.94
14125 ncm-et-3 2018-03-31 22:14 01:15:07 2028522 500 233 15 252 +162.35 +/- 20.84
14124 ncm-et-9 2018-03-31 22:12 01:15:32 2025410 500 233 20 247 +158.08 +/- 21.24
14123 ncm-et-15 2018-03-31 22:12 01:13:50 2020347 500 230 12 258 +162.35 +/- 20.42

Commit

Commit ID f2681232e516da164196d7238482729da038ae1e
Author Joost VandeVondele
Date 2018-03-31 21:10:35 UTC
Refine SEE threshold for capture pruning. eloDoc suggests that this part of search is worth ~18 Elo. This patch refines the depth dependence of the SEE threshold. passed STC: LLR: 2.96 (-2.94,2.94) [0.00,5.00] Total: 21398 W: 4474 L: 4245 D: 12679 http://tests.stockfishchess.org/tests/view/5abfb0630ebc591a560aae07 passed LTC: LLR: 2.95 (-2.94,2.94) [0.00,5.00] Total: 9028 W: 1439 L: 1285 D: 6304 http://tests.stockfishchess.org/tests/view/5abfbff30ebc591a560aae11 Closes https://github.com/official-stockfish/Stockfish/pull/1527 Bench: 6036915
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