Dev Builds » 20180327-1530

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 2000144 2371 1071 64 1236 +157.54 +/- 9.32
ncm-et-4 06:02:15 1996286 2410 1079 86 1245 +152.2 +/- 9.36
ncm-et-5 01:48:38 2017164 723 342 17 364 +168.19 +/- 17.25
ncm-et-6 01:48:20 2025653 713 315 19 379 +153.5 +/- 16.79
ncm-et-7 01:48:34 2025162 722 338 30 354 +158.33 +/- 17.76
ncm-et-8 01:48:29 1997150 717 323 17 377 +158.41 +/- 16.82
ncm-et-9 06:02:13 2000292 2394 1102 77 1215 +159.0 +/- 9.48
ncm-et-10 06:02:46 1988538 2372 1062 84 1226 +152.31 +/- 9.43
ncm-et-11 01:48:35 2018152 703 316 15 372 +159.0 +/- 16.88
ncm-et-12 01:48:15 2019211 713 315 21 377 +152.33 +/- 16.88
ncm-et-13 06:02:37 1989423 2392 1096 70 1226 +159.33 +/- 9.4
ncm-et-14 01:48:45 2021733 713 299 16 398 +145.92 +/- 16.16
ncm-et-15 06:01:52 1995083 2383 1078 66 1239 +157.52 +/- 9.32
ncm-et-16 01:48:30 1916834 674 307 14 353 +161.8 +/- 17.36
20000 9043 596 10361 +156.54 +/- 3.23

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
52086 ncm-et-3 2018-09-02 01:20 00:23:19 1990980 152 60 6 86 +129.06 +/- 35.25
52085 ncm-et-13 2018-09-02 01:20 00:23:57 1987824 159 77 6 76 +166.9 +/- 38.57
52084 ncm-et-10 2018-09-02 01:19 00:24:40 1950263 163 71 8 84 +141.64 +/- 36.5
52083 ncm-et-15 2018-09-02 01:19 00:24:14 1982479 162 77 4 81 +168.67 +/- 36.8
52082 ncm-et-4 2018-09-02 01:16 00:27:32 1989876 180 82 8 90 +151.81 +/- 35.32
52081 ncm-et-9 2018-09-02 01:15 00:28:04 1988932 184 89 6 89 +168.88 +/- 35.45
52080 ncm-et-3 2018-09-02 00:03 01:15:56 1990665 500 229 15 256 +158.93 +/- 20.62
52079 ncm-et-13 2018-09-02 00:03 01:15:52 1964200 500 232 12 256 +164.07 +/- 20.53
52078 ncm-et-15 2018-09-02 00:03 01:15:27 1983105 500 215 15 270 +147.19 +/- 19.89
52077 ncm-et-10 2018-09-02 00:02 01:15:53 1981068 500 227 21 252 +152.18 +/- 20.99
52076 ncm-et-9 2018-09-02 00:00 01:14:31 1987824 500 220 11 269 +154.7 +/- 19.81
52075 ncm-et-4 2018-09-02 00:00 01:15:11 1991772 500 221 19 260 +148.85 +/- 20.52
52074 ncm-et-3 2018-09-01 22:46 01:16:33 1989401 500 231 9 260 +165.8 +/- 20.21
52073 ncm-et-10 2018-09-01 22:45 01:16:02 1980755 500 205 13 282 +140.62 +/- 19.22
52072 ncm-et-15 2018-09-01 22:45 01:16:36 1982791 500 207 8 285 +146.36 +/- 18.89
52071 ncm-et-13 2018-09-01 22:44 01:17:59 1947286 500 229 18 253 +156.39 +/- 20.86
52070 ncm-et-4 2018-09-01 22:43 01:15:19 1990190 500 228 16 256 +157.24 +/- 20.65
52069 ncm-et-9 2018-09-01 22:43 01:15:47 1988769 500 238 20 242 +162.35 +/- 21.51
52068 ncm-et-15 2018-09-01 21:27 01:17:02 1980288 500 229 12 259 +161.49 +/- 20.37
52067 ncm-et-3 2018-09-01 21:27 01:17:47 1981448 500 233 11 256 +165.8 +/- 20.49
52066 ncm-et-9 2018-09-01 21:27 01:15:28 1986720 500 237 20 243 +161.49 +/- 21.45
52065 ncm-et-4 2018-09-01 21:26 01:15:40 1989403 500 216 22 262 +142.26 +/- 20.49
52064 ncm-et-13 2018-09-01 21:26 01:16:21 1986250 500 230 14 256 +160.64 +/- 20.59
52063 ncm-et-10 2018-09-01 21:26 01:17:33 1981695 500 241 17 242 +167.53 +/- 21.44
12693 ncm-et-16 2018-03-27 20:06 00:27:19 1953431 174 73 3 98 +148.14 +/- 32.43
12692 ncm-et-10 2018-03-27 20:02 00:31:34 2021652 209 103 5 101 +176.73 +/- 33.06
12691 ncm-et-11 2018-03-27 20:02 00:31:48 2019046 203 84 7 112 +138.71 +/- 30.92
12690 ncm-et-6 2018-03-27 20:02 00:31:42 2025735 213 102 7 104 +166.67 +/- 32.73
12689 ncm-et-9 2018-03-27 20:02 00:31:35 2025408 210 99 4 107 +169.44 +/- 31.73
12688 ncm-et-15 2018-03-27 20:01 00:32:23 2020022 221 108 3 110 +179.5 +/- 31.25
12687 ncm-et-12 2018-03-27 20:01 00:32:41 2018885 213 94 6 113 +152.66 +/- 30.88
12686 ncm-et-8 2018-03-27 20:01 00:32:38 1972159 217 112 6 99 +185.55 +/- 33.72
12685 ncm-et-14 2018-03-27 20:01 00:32:58 2021162 213 87 8 118 +135.31 +/- 30.15
12684 ncm-et-5 2018-03-27 20:00 00:33:19 2010392 223 100 8 115 +152.42 +/- 30.92
12683 ncm-et-7 2018-03-27 20:00 00:33:16 2025408 222 117 7 98 +188.77 +/- 34.08
12682 ncm-et-3 2018-03-27 20:00 00:33:56 2021651 219 91 9 119 +136.74 +/- 30.21
12681 ncm-et-13 2018-03-27 19:59 00:34:18 2024753 233 103 5 125 +155.8 +/- 29.12
12680 ncm-et-4 2018-03-27 19:59 00:34:47 2014131 230 104 6 120 +158.12 +/- 30.0
12679 ncm-et-12 2018-03-27 18:44 01:15:34 2019537 500 221 15 264 +152.18 +/- 20.2
12678 ncm-et-6 2018-03-27 18:44 01:16:38 2025572 500 213 12 275 +148.02 +/- 19.54
12677 ncm-et-11 2018-03-27 18:44 01:16:47 2017258 500 232 8 260 +167.53 +/- 20.17
12676 ncm-et-13 2018-03-27 18:44 01:14:10 2026226 500 225 15 260 +155.54 +/- 20.41
12675 ncm-et-10 2018-03-27 18:44 01:17:04 2015798 500 215 20 265 +143.07 +/- 20.28
12674 ncm-et-15 2018-03-27 18:44 01:16:10 2021814 500 242 24 234 +162.35 +/- 22.03
12673 ncm-et-5 2018-03-27 18:44 01:15:19 2023936 500 242 9 249 +175.44 +/- 20.8
12672 ncm-et-8 2018-03-27 18:44 01:15:51 2022142 500 211 11 278 +147.19 +/- 19.35
12671 ncm-et-16 2018-03-27 18:44 01:21:11 1880238 500 234 11 255 +166.66 +/- 20.55
12670 ncm-et-9 2018-03-27 18:44 01:16:48 2024100 500 219 16 265 +149.68 +/- 20.18
12669 ncm-et-7 2018-03-27 18:44 01:15:18 2024917 500 221 23 256 +145.54 +/- 20.82
12668 ncm-et-14 2018-03-27 18:44 01:15:47 2022304 500 212 8 280 +150.51 +/- 19.14
12667 ncm-et-4 2018-03-27 18:44 01:13:46 2002348 500 228 15 257 +158.08 +/- 20.57
12666 ncm-et-3 2018-03-27 18:44 01:14:34 2026719 500 227 14 259 +158.08 +/- 20.43

Commit

Commit ID 29070bd01a5a8e37658866ead1fbdeacc60ce9a6
Author protonspring
Date 2018-03-27 15:30:52 UTC
Simplification: remove pawn shelter/storm masks Encode the pawn shelter/storm masks into the danger score This highly specialized rule directly contradicts the VERY high danger score for blocked pawns. Reducing the danger score for blocked pawns and removing this rule is apparently an effective compromise. STC LLR: 2.96 (-2.94,2.94) [-3.00,1.00] Total: 36597 W: 7522 L: 7429 D: 21646 http://tests.stockfishchess.org/tests/view/5ab935f30ebc5902932cc016 LTC LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 100690 W: 15373 L: 15372 D: 69945 http://tests.stockfishchess.org/tests/view/5ab9501f0ebc5902932cc042 Closes https://github.com/official-stockfish/Stockfish/pull/1514 Bench: 5980822
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