Dev Builds » 20160408-1812

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 05:45:05 1976015 2356 320 262 1774 +8.55 +/- 6.97
ncm-et-4 05:44:54 1980970 2380 354 243 1783 +16.22 +/- 6.98
ncm-et-5 01:42:32 2003382 719 112 60 547 +25.17 +/- 12.35
ncm-et-6 01:42:48 2026391 715 93 62 560 +15.07 +/- 11.83
ncm-et-7 01:42:16 1970056 704 99 70 535 +14.32 +/- 12.56
ncm-et-8 01:42:32 1996034 707 93 71 543 +10.81 +/- 12.33
ncm-et-9 05:44:59 1989669 2363 364 229 1770 +19.87 +/- 7.0
ncm-et-10 05:45:12 1982441 2407 325 239 1843 +12.42 +/- 6.71
ncm-et-11 01:42:28 2002015 726 103 75 548 +13.41 +/- 12.5
ncm-et-12 01:42:21 2020674 730 90 70 570 +9.52 +/- 11.79
ncm-et-13 05:45:20 1993875 2400 350 236 1814 +16.52 +/- 6.85
ncm-et-14 01:42:47 1986314 706 84 75 547 +4.43 +/- 12.16
ncm-et-15 05:45:00 1989346 2393 305 226 1862 +11.47 +/- 6.55
ncm-et-16 01:42:36 1971548 694 95 72 527 +11.52 +/- 12.67
20000 2787 1990 15223 +13.85 +/- 2.35

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
70142 ncm-et-3 2019-02-15 01:29 00:21:51 1965842 146 17 11 118 +14.29 +/- 24.65
70141 ncm-et-9 2019-02-15 01:29 00:22:27 1968178 151 30 18 103 +27.67 +/- 31.21
70140 ncm-et-4 2019-02-15 01:28 00:23:28 1961240 163 24 13 126 +23.48 +/- 25.32
70139 ncm-et-15 2019-02-15 01:26 00:24:37 1975563 170 21 15 134 +12.27 +/- 24.03
70138 ncm-et-10 2019-02-15 01:26 00:25:01 1961849 181 19 18 144 +1.92 +/- 22.92
70137 ncm-et-13 2019-02-15 01:24 00:26:47 1979663 189 32 18 139 +25.78 +/- 25.4
70136 ncm-et-3 2019-02-15 00:16 01:12:12 1966001 500 79 52 369 +18.78 +/- 15.56
70135 ncm-et-9 2019-02-15 00:15 01:12:46 1971892 500 75 49 376 +18.08 +/- 15.13
70134 ncm-et-10 2019-02-15 00:13 01:11:33 1960007 500 62 53 385 +6.25 +/- 14.61
70133 ncm-et-15 2019-02-15 00:13 01:11:45 1982232 500 67 51 382 +11.12 +/- 14.79
70132 ncm-et-4 2019-02-15 00:13 01:13:50 1965235 500 75 50 375 +17.39 +/- 15.2
70131 ncm-et-13 2019-02-15 00:09 01:13:48 1971723 500 80 55 365 +17.39 +/- 15.8
70130 ncm-et-3 2019-02-14 23:01 01:14:12 1963843 500 62 63 375 -0.69 +/- 15.24
70129 ncm-et-4 2019-02-14 23:00 01:12:03 1966615 500 76 41 383 +24.36 +/- 14.66
70128 ncm-et-10 2019-02-14 22:59 01:13:11 1962621 500 72 48 380 +16.69 +/- 14.89
70127 ncm-et-9 2019-02-14 22:59 01:14:34 1974514 500 68 45 387 +15.99 +/- 14.45
70126 ncm-et-15 2019-02-14 22:58 01:14:06 1966786 500 67 47 386 +13.9 +/- 14.52
70125 ncm-et-13 2019-02-14 22:58 01:10:37 1977005 500 65 48 387 +11.82 +/- 14.47
70124 ncm-et-4 2019-02-14 21:45 01:13:07 1971755 500 68 54 378 +9.73 +/- 15.04
70123 ncm-et-3 2019-02-14 21:45 01:14:23 1909752 500 59 60 381 -0.69 +/- 14.87
70122 ncm-et-9 2019-02-14 21:45 01:12:50 1970483 500 82 48 370 +23.66 +/- 15.47
70121 ncm-et-15 2019-02-14 21:45 01:11:50 1973891 500 68 52 380 +11.12 +/- 14.91
70120 ncm-et-10 2019-02-14 21:45 01:12:53 1967848 500 84 53 363 +21.57 +/- 15.9
70119 ncm-et-13 2019-02-14 21:45 01:11:36 1982569 500 64 39 397 +17.39 +/- 13.78
12175 ncm-et-14 2018-03-26 10:28 00:28:36 2019860 206 23 25 158 -3.37 +/- 22.93
12174 ncm-et-16 2018-03-26 10:27 00:29:07 1955852 194 22 27 145 -8.96 +/- 24.6
12173 ncm-et-7 2018-03-26 10:27 00:29:21 1954119 204 25 19 160 +10.22 +/- 22.15
12172 ncm-et-13 2018-03-26 10:26 00:30:23 2025244 211 33 18 160 +24.74 +/- 22.96
12171 ncm-et-8 2018-03-26 10:26 00:30:31 1994602 207 23 24 160 -1.68 +/- 22.58
12170 ncm-et-3 2018-03-26 10:26 00:30:45 2024590 210 29 27 154 +3.31 +/- 24.3
12169 ncm-et-6 2018-03-26 10:25 00:31:06 2026064 215 25 16 174 +14.55 +/- 20.25
12168 ncm-et-9 2018-03-26 10:25 00:31:06 2024917 212 33 23 156 +16.4 +/- 24.03
12167 ncm-et-4 2018-03-26 10:25 00:31:06 1996713 217 39 22 156 +27.27 +/- 24.43
12166 ncm-et-5 2018-03-26 10:25 00:31:26 1982333 219 36 14 169 +35.02 +/- 21.74
12165 ncm-et-15 2018-03-26 10:25 00:31:35 2018233 223 26 15 182 +17.15 +/- 19.49
12164 ncm-et-12 2018-03-26 10:25 00:31:25 2018883 230 31 20 179 +16.63 +/- 21.11
12163 ncm-et-10 2018-03-26 10:23 00:33:00 2021977 226 32 17 177 +23.09 +/- 20.99
12162 ncm-et-11 2018-03-26 10:23 00:32:56 1985798 226 35 27 164 +12.3 +/- 23.74
12161 ncm-et-7 2018-03-26 09:12 01:12:55 1985994 500 74 51 375 +15.99 +/- 15.2
12160 ncm-et-3 2018-03-26 09:12 01:11:42 2026064 500 74 49 377 +17.39 +/- 15.07
12159 ncm-et-9 2018-03-26 09:12 01:11:16 2028031 500 76 46 378 +20.87 +/- 14.99
12158 ncm-et-11 2018-03-26 09:12 01:09:32 2018233 500 68 48 384 +13.9 +/- 14.65
12157 ncm-et-10 2018-03-26 09:12 01:09:34 2020348 500 56 50 394 +4.17 +/- 14.03
12156 ncm-et-5 2018-03-26 09:12 01:11:06 2024431 500 76 46 378 +20.87 +/- 14.99
12155 ncm-et-16 2018-03-26 09:12 01:13:29 1987245 500 73 45 382 +19.48 +/- 14.75
12154 ncm-et-8 2018-03-26 09:12 01:12:01 1997466 500 70 47 383 +15.99 +/- 14.7
12153 ncm-et-13 2018-03-26 09:12 01:12:09 2027046 500 76 58 366 +12.51 +/- 15.76
12152 ncm-et-12 2018-03-26 09:12 01:10:56 2022466 500 59 50 391 +6.25 +/- 14.22
12151 ncm-et-14 2018-03-26 09:12 01:14:11 1952768 500 61 50 389 +7.64 +/- 14.35
12150 ncm-et-15 2018-03-26 09:12 01:11:07 2019371 500 56 46 398 +6.95 +/- 13.75
12149 ncm-et-4 2018-03-26 09:12 01:11:20 2024265 500 72 63 365 +6.25 +/- 15.83
12148 ncm-et-6 2018-03-26 09:12 01:11:42 2026718 500 68 46 386 +15.3 +/- 14.52

Commit

Commit ID 29b5842da8d5477c0aea924cfd364c9e619456a2
Author Alain SAVARD
Date 2016-04-08 18:12:55 UTC
Backward simplication On top of the usual conditions a) some opponent in front (but no lever) b) some neighbours (in front) (but no neighbour behind or same rank) c) < rank_5 to find out if a pawn is backward we look at the squares in front of this pawn to reach the same rank as the next neighbour. In current master, a pawn is backward if any of those squares is controlled by an enemy pawn on an adjacent file In this version, a pawn is ALSO backward if any of those squares is occupied by an enemy pawn. STC: http://tests.stockfishchess.org/tests/view/56fe7efd0ebc59301a3541f1 LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 19051 W: 3557 L: 3433 D: 12061 LTC: http://tests.stockfishchess.org/tests/view/56febc2d0ebc59301a354209 LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 40810 W: 5619 L: 5526 D: 29665 Bench: 7525245 Resolves #614
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