Dev Builds » 20180828-2307

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 08:37:20 1989852 3373 1735 88 1550 +185.47 +/- 8.46
ncm-et-4 08:37:10 1990123 3355 1736 93 1526 +186.12 +/- 8.55
ncm-et-9 08:37:38 1988906 3347 1743 94 1510 +187.47 +/- 8.6
ncm-et-10 08:37:28 1967365 3319 1716 76 1527 +188.14 +/- 8.51
ncm-et-13 08:37:42 1948061 3305 1725 83 1497 +189.38 +/- 8.62
ncm-et-15 08:37:41 1950236 3301 1713 80 1508 +188.4 +/- 8.58
20000 10368 514 9118 +187.48 +/- 3.49

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
51816 ncm-et-15 2018-08-30 20:15 00:46:00 1980755 301 146 7 148 +173.58 +/- 27.19
51815 ncm-et-13 2018-08-30 20:12 00:48:39 1952636 305 161 6 138 +194.67 +/- 28.39
51814 ncm-et-10 2018-08-30 20:09 00:51:41 1952843 319 165 8 146 +187.24 +/- 27.66
51813 ncm-et-9 2018-08-30 20:07 00:53:08 1987194 347 169 7 171 +175.82 +/- 25.21
51812 ncm-et-4 2018-08-30 20:06 00:54:20 1990666 355 189 13 153 +188.9 +/- 27.34
51811 ncm-et-3 2018-08-30 20:04 00:56:33 1988927 373 174 11 188 +162.78 +/- 24.13
51810 ncm-et-15 2018-08-30 18:55 01:19:00 1940396 500 262 13 225 +189.92 +/- 22.31
51809 ncm-et-13 2018-08-30 18:54 01:17:16 1978510 500 260 14 226 +187.16 +/- 22.28
51808 ncm-et-9 2018-08-30 18:49 01:17:10 1990190 500 253 18 229 +177.22 +/- 22.2
51807 ncm-et-10 2018-08-30 18:49 01:19:05 1941276 500 262 15 223 +188.08 +/- 22.48
51806 ncm-et-4 2018-08-30 18:48 01:16:21 1990348 500 241 14 245 +170.15 +/- 21.19
51805 ncm-et-3 2018-08-30 18:46 01:17:25 1990823 500 273 13 214 +200.24 +/- 22.98
51804 ncm-et-15 2018-08-30 17:36 01:17:26 1944714 500 264 9 227 +195.51 +/- 22.06
51803 ncm-et-13 2018-08-30 17:34 01:18:59 1949839 500 257 14 229 +184.42 +/- 22.1
51802 ncm-et-9 2018-08-30 17:32 01:16:38 1990664 500 258 9 233 +189.92 +/- 21.71
51801 ncm-et-10 2018-08-30 17:31 01:16:36 1982321 500 261 13 226 +189.0 +/- 22.25
51800 ncm-et-4 2018-08-30 17:31 01:16:28 1990664 500 253 13 234 +181.7 +/- 21.78
51799 ncm-et-3 2018-08-30 17:28 01:16:41 1988296 500 267 16 217 +191.78 +/- 22.87
51798 ncm-et-15 2018-08-30 16:17 01:18:41 1944436 500 267 15 218 +192.71 +/- 22.79
51797 ncm-et-13 2018-08-30 16:15 01:17:29 1960012 500 260 12 228 +189.0 +/- 22.1
51796 ncm-et-9 2018-08-30 16:12 01:18:07 1986722 500 268 15 217 +193.64 +/- 22.85
51795 ncm-et-4 2018-08-30 16:12 01:17:35 1989559 500 261 16 223 +186.25 +/- 22.51
51794 ncm-et-10 2018-08-30 16:12 01:18:18 1947210 500 253 9 238 +185.33 +/- 21.42
51793 ncm-et-3 2018-08-30 16:11 01:16:12 1991772 500 251 13 236 +179.9 +/- 21.66
51792 ncm-et-15 2018-08-30 14:59 01:16:05 1982634 500 250 11 239 +180.8 +/- 21.43
51791 ncm-et-13 2018-08-30 14:58 01:16:22 1987350 500 262 13 225 +189.92 +/- 22.31
51790 ncm-et-4 2018-08-30 14:54 01:17:10 1988299 500 264 14 222 +190.85 +/- 22.52
51789 ncm-et-10 2018-08-30 14:54 01:17:16 1982952 500 249 12 239 +179.0 +/- 21.46
51788 ncm-et-9 2018-08-30 14:53 01:18:36 1989716 500 264 15 221 +189.92 +/- 22.6
51787 ncm-et-3 2018-08-30 14:52 01:17:21 1990190 500 258 10 232 +189.0 +/- 21.8
51786 ncm-et-15 2018-08-30 13:38 01:20:11 1949597 500 262 16 222 +187.16 +/- 22.57
51785 ncm-et-13 2018-08-30 13:36 01:20:54 1879406 500 253 6 241 +188.08 +/- 21.13
51784 ncm-et-4 2018-08-30 13:35 01:18:01 1991139 500 255 13 232 +183.51 +/- 21.9
51783 ncm-et-3 2018-08-30 13:35 01:16:34 1988927 500 246 10 244 +178.11 +/- 21.12
51782 ncm-et-9 2018-08-30 13:34 01:17:10 1989087 500 265 16 219 +189.92 +/- 22.75
51781 ncm-et-10 2018-08-30 13:34 01:18:07 1981852 500 248 9 243 +180.8 +/- 21.14
51780 ncm-et-3 2018-08-30 12:17 01:16:34 1990033 500 266 15 219 +191.78 +/- 22.72
51779 ncm-et-10 2018-08-30 12:17 01:16:25 1983107 500 278 10 212 +207.95 +/- 23.02
51778 ncm-et-15 2018-08-30 12:17 01:20:18 1909126 500 262 9 229 +193.64 +/- 21.94
51777 ncm-et-13 2018-08-30 12:17 01:18:03 1928676 500 272 18 210 +194.57 +/- 23.35
51776 ncm-et-4 2018-08-30 12:17 01:17:15 1990191 500 273 10 217 +203.11 +/- 22.71
51775 ncm-et-9 2018-08-30 12:17 01:16:49 1988769 500 266 14 220 +192.71 +/- 22.64

Commit

Commit ID 8a4821923ac6860c791185a6d25c60ad0391739f
Author protonspring
Date 2018-08-28 23:07:38 UTC
make DistanceRing more consistent This is a non-functional change. By pre-incrementing minKingPawnDistance instead of post-incrementing, we can remove this -1. This also makes DistanceRing more consistent with the rest of stockfish since it now holds an actual "distance" instead of a less natural distance-1. In current master, PseudoAttacks[KING][ksq] == DistanceRingBB[ksq][0] With this patch, it will be PseudoAttacks[KING][ksq] == DistanceRingBB[ksq][1] ie squares at distance 1 from the king. This is more natural use of distance. The current array size DistanceRingBB[SQUARE_NB][8] is still OK with the new definition, because maximum distance between two squares on a chess board is seven (for example Kh1 and a8). No functional change.
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