Dev Builds » 20181014-1802

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 08:41:32 1967629 3375 1788 80 1507 +193.67 +/- 8.6
ncm-et-4 08:40:42 1942698 3330 1790 80 1460 +197.17 +/- 8.75
ncm-et-9 08:29:14 1970999 3268 1747 88 1433 +194.41 +/- 8.85
ncm-et-10 08:40:40 1968395 3327 1761 85 1481 +192.59 +/- 8.68
ncm-et-13 08:40:23 1975941 3344 1771 67 1506 +195.31 +/- 8.57
ncm-et-15 08:40:29 1966761 3356 1844 88 1424 +201.79 +/- 8.9
20000 10701 488 8811 +195.82 +/- 3.56

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
57811 ncm-et-15 2018-10-29 14:57 00:11:16 1968778 70 37 2 31 +190.85 +/- 61.24
57810 ncm-et-13 2018-10-29 14:56 00:11:25 1966381 70 31 3 36 +147.19 +/- 56.01
57809 ncm-et-10 2018-10-29 14:56 00:11:22 1973892 70 36 1 33 +190.85 +/- 58.22
57808 ncm-et-4 2018-10-29 14:56 00:11:31 1765232 61 26 1 34 +151.28 +/- 55.63
57807 ncm-et-3 2018-10-29 14:55 00:12:38 1918915 77 42 2 33 +199.99 +/- 59.4
57806 ncm-et-10 2018-10-29 13:22 00:39:35 1984710 257 136 7 114 +191.75 +/- 31.48
57805 ncm-et-9 2018-10-29 13:20 00:41:33 1972196 268 145 7 116 +197.83 +/- 31.26
57804 ncm-et-4 2018-10-29 13:20 00:41:31 1983780 269 151 5 113 +211.26 +/- 31.6
57803 ncm-et-13 2018-10-29 13:19 00:42:48 1982545 274 145 6 123 +194.25 +/- 30.16
57802 ncm-et-15 2018-10-29 13:17 00:44:17 1959542 286 147 8 131 +184.43 +/- 29.27
57801 ncm-et-3 2018-10-29 13:16 00:45:32 1972354 298 160 7 131 +197.12 +/- 29.31
57800 ncm-et-10 2018-10-29 12:03 01:18:22 1965393 500 247 13 240 +176.33 +/- 21.44
57799 ncm-et-4 2018-10-29 12:01 01:17:34 1968930 500 255 14 231 +182.61 +/- 21.98
57798 ncm-et-9 2018-10-29 12:01 01:17:55 1979456 500 284 13 203 +210.89 +/- 23.7
57797 ncm-et-13 2018-10-29 12:01 01:16:43 1976094 500 254 11 235 +184.42 +/- 21.66
57796 ncm-et-15 2018-10-29 11:58 01:18:10 1973679 500 270 12 218 +198.34 +/- 22.71
57795 ncm-et-3 2018-10-29 11:56 01:18:24 1974992 500 270 13 217 +197.4 +/- 22.8
57794 ncm-et-13 2018-10-29 10:43 01:16:38 1976694 500 288 11 201 +216.85 +/- 23.78
57793 ncm-et-10 2018-10-29 10:42 01:19:13 1959398 500 255 16 229 +180.8 +/- 22.15
57792 ncm-et-4 2018-10-29 10:42 01:18:31 1970352 500 264 12 224 +192.71 +/- 22.34
57791 ncm-et-9 2018-10-29 10:41 01:18:50 1965072 500 264 15 221 +189.92 +/- 22.6
57790 ncm-et-15 2018-10-29 10:40 01:16:44 1969128 500 293 17 190 +215.85 +/- 24.67
57789 ncm-et-3 2018-10-29 10:39 01:16:04 1976393 500 268 7 225 +201.19 +/- 22.11
57788 ncm-et-13 2018-10-29 09:24 01:18:28 1977952 500 265 9 226 +196.45 +/- 22.12
57787 ncm-et-10 2018-10-29 09:23 01:18:05 1969395 500 280 11 209 +208.93 +/- 23.25
57786 ncm-et-4 2018-10-29 09:23 01:17:42 1973288 500 289 11 200 +217.85 +/- 23.85
57785 ncm-et-9 2018-10-29 09:22 01:18:16 1969708 500 271 13 216 +198.34 +/- 22.86
57784 ncm-et-15 2018-10-29 09:22 01:17:35 1965092 500 268 15 217 +193.64 +/- 22.85
57783 ncm-et-3 2018-10-29 09:21 01:17:02 1979157 500 264 13 223 +191.78 +/- 22.43
57782 ncm-et-10 2018-10-29 08:05 01:16:54 1966630 500 272 11 217 +201.19 +/- 22.74
57781 ncm-et-13 2018-10-29 08:05 01:17:48 1985799 500 265 10 225 +195.51 +/- 22.21
57780 ncm-et-4 2018-10-29 08:04 01:17:38 1970181 500 263 13 224 +190.85 +/- 22.37
57779 ncm-et-15 2018-10-29 08:03 01:17:14 1967238 500 285 8 207 +216.85 +/- 23.28
57778 ncm-et-9 2018-10-29 08:03 01:17:32 1969870 500 257 19 224 +179.9 +/- 22.51
57777 ncm-et-3 2018-10-29 08:03 01:17:18 1970479 500 261 9 230 +192.71 +/- 21.88
57776 ncm-et-10 2018-10-29 06:47 01:17:38 1957423 500 267 8 225 +199.29 +/- 22.14
57775 ncm-et-13 2018-10-29 06:45 01:18:25 1970338 500 259 12 229 +188.08 +/- 22.04
57774 ncm-et-9 2018-10-29 06:45 01:17:16 1965237 500 278 9 213 +208.93 +/- 22.92
57773 ncm-et-15 2018-10-29 06:45 01:17:26 1969394 500 261 12 227 +189.92 +/- 22.16
57772 ncm-et-3 2018-10-29 06:45 01:16:51 1977942 500 261 15 224 +187.16 +/- 22.42
57771 ncm-et-4 2018-10-29 06:45 01:18:31 1937018 500 248 12 240 +178.11 +/- 21.41
57770 ncm-et-13 2018-10-29 05:26 01:18:08 1971729 500 264 5 231 +199.29 +/- 21.66
57769 ncm-et-9 2018-10-29 05:26 01:17:52 1975455 500 248 12 240 +178.11 +/- 21.41
57768 ncm-et-10 2018-10-29 05:26 01:19:31 1970323 500 268 18 214 +190.85 +/- 23.1
57767 ncm-et-3 2018-10-29 05:26 01:17:43 1970805 500 262 14 224 +189.0 +/- 22.4
57766 ncm-et-15 2018-10-29 05:26 01:17:47 1961242 500 283 14 203 +208.93 +/- 23.72
57765 ncm-et-4 2018-10-29 05:26 01:17:44 1972807 500 294 12 194 +221.9 +/- 24.29

Commit

Commit ID 489357d7b221179a0fc116df706df5e937f991fa
Author 31m059
Date 2018-10-14 18:02:31 UTC
Combo This PR is a combination of two unrelated [0, 4] patches that appeared promising but not quite strong enough to pass on their own. The combination initially failed STC with a positive score after a long run, and the subsequent speculative LTC test passed. * tweak_threatOnQueen4 : Increase the middlegame components of ThreatByMinor[QUEEN] and ThreatByRook[QUEEN] by 15 each. Bryan's (@crossbr) analysis of CCC Bonus Game 10 inspired several tests on penalizing a queen with limited safe mobility. While attempting to implement this idea, I noticed that when I did not include the queen's current square in the calculations, the Elo gains seemed to vanish--and only then did I have the idea to revisit ThreatByMinor[QUEEN] and ThreatByRook[QUEEN], adding a corresponding value to each. Without Bryan's work, this test would never have been submitted. I would also like to recognize the efforts and contributions of @SFisGOD, who also vigorously worked on this idea. * Use pure static eval for null move pruning : This idea was directly re-purposed from a promising test by Jerry Donald Watson (@jerrydonaldwatson) in August. It was also independently developed and tested by Stefan Geschwentner (@locutus2) previously. Thank you all! STC (failed yellow): LLR: -2.96 (-2.94,2.94) [0.00,4.00] Total: 83913 W: 17986 L: 17825 D: 48102 http://tests.stockfishchess.org/tests/view/5bbc59300ebc592439f76aa5 LTC: LLR: 2.95 (-2.94,2.94) [0.00,4.00] Total: 137198 W: 22351 L: 21772 D: 93075 http://tests.stockfishchess.org/tests/view/5bbce35f0ebc592439f77639 Bench: 4312846
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