Dev Builds » 20200810-0914

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 08:22:19 1963711 3259 2273 44 942 +290.63 +/- 11.06
ncm-et-4 08:37:49 1970235 3247 2276 62 909 +289.27 +/- 11.29
ncm-et-9 09:52:23 1966938 3755 2636 50 1069 +293.74 +/- 10.39
ncm-et-10 08:22:55 1961509 3234 2260 47 927 +290.85 +/- 11.16
ncm-et-13 08:23:54 1962369 3249 2330 43 876 +304.01 +/- 11.49
ncm-et-15 08:36:07 1968457 3256 2297 47 912 +295.3 +/- 11.25
20000 14072 293 5635 +293.91 +/- 4.52

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
136597 ncm-et-10 2020-08-30 03:31 00:35:54 1957866 234 171 3 60 +313.87 +/- 44.49
136596 ncm-et-13 2020-08-30 03:29 00:38:16 1962458 249 193 2 54 +352.01 +/- 47.05
136595 ncm-et-4 2020-08-30 03:29 00:38:24 1971736 247 183 0 64 +330.91 +/- 42.65
136594 ncm-et-9 2020-08-30 03:28 00:39:26 1973433 255 174 3 78 +282.05 +/- 38.68
136593 ncm-et-15 2020-08-30 03:28 00:39:48 1969708 256 193 1 62 +338.04 +/- 43.6
136592 ncm-et-3 2020-08-30 03:27 00:39:39 1962620 259 188 4 67 +308.54 +/- 42.07
136591 ncm-et-10 2020-08-30 02:12 01:17:41 1959541 500 357 7 136 +301.33 +/- 29.3
136590 ncm-et-4 2020-08-30 02:11 01:17:10 1970638 500 366 9 125 +311.06 +/- 30.65
136589 ncm-et-13 2020-08-30 02:10 01:17:53 1962765 500 343 7 150 +282.94 +/- 27.82
136588 ncm-et-9 2020-08-30 02:10 01:17:03 1962624 500 338 4 158 +280.42 +/- 26.94
136587 ncm-et-3 2020-08-30 02:10 01:16:37 1963071 500 345 5 150 +288.06 +/- 27.75
136586 ncm-et-15 2020-08-30 02:09 01:17:21 1971416 500 356 10 134 +295.94 +/- 29.57
136585 ncm-et-13 2020-08-30 00:53 01:16:11 1961074 500 343 8 149 +281.68 +/- 27.94
136584 ncm-et-10 2020-08-30 00:52 01:18:52 1957886 500 341 9 150 +277.93 +/- 27.86
136583 ncm-et-4 2020-08-30 00:52 01:17:22 1974826 500 343 9 148 +280.42 +/- 28.06
136582 ncm-et-9 2020-08-30 00:52 01:16:51 1970337 500 368 5 127 +319.72 +/- 30.33
136581 ncm-et-3 2020-08-30 00:51 01:17:19 1960308 500 342 7 151 +281.68 +/- 27.72
136580 ncm-et-15 2020-08-30 00:51 01:17:02 1969248 500 356 4 140 +304.07 +/- 28.76
136579 ncm-et-9 2020-08-29 23:35 01:16:12 1971564 500 364 9 127 +308.24 +/- 30.4
136578 ncm-et-13 2020-08-29 23:34 01:17:20 1962765 500 362 7 131 +308.24 +/- 29.88
136577 ncm-et-4 2020-08-29 23:34 01:16:57 1965586 500 339 10 151 +274.22 +/- 27.78
136576 ncm-et-15 2020-08-29 23:34 01:15:47 1973120 500 358 10 132 +298.62 +/- 29.8
136575 ncm-et-10 2020-08-29 23:34 01:17:05 1965078 500 343 9 148 +280.42 +/- 28.06
136574 ncm-et-3 2020-08-29 23:34 01:16:06 1965533 500 355 6 139 +299.97 +/- 28.94
134432 ncm-et-9 2020-08-11 09:47 01:17:39 1966767 500 342 5 153 +284.22 +/- 27.46
134431 ncm-et-3 2020-08-11 08:31 01:17:50 1964609 500 346 6 148 +288.06 +/- 27.99
134430 ncm-et-13 2020-08-11 08:31 01:17:51 1961841 500 370 9 121 +316.8 +/- 31.16
134429 ncm-et-10 2020-08-11 08:31 01:16:58 1958947 500 338 6 156 +277.93 +/- 27.2
134428 ncm-et-4 2020-08-11 08:30 01:17:28 1966941 500 343 8 149 +281.68 +/- 27.94
134427 ncm-et-15 2020-08-11 08:30 01:17:02 1961696 500 344 8 148 +282.94 +/- 28.04
134426 ncm-et-9 2020-08-11 08:30 01:15:50 1963993 500 335 11 154 +268.17 +/- 27.51
134341 ncm-et-15 2020-08-10 13:56 01:15:45 1970020 500 347 7 146 +288.06 +/- 28.22
134340 ncm-et-4 2020-08-10 13:54 01:16:00 1971568 500 344 13 143 +276.69 +/- 28.62
134339 ncm-et-9 2020-08-10 13:51 01:17:26 1963257 500 344 7 149 +284.22 +/- 27.92
134338 ncm-et-10 2020-08-10 13:40 01:18:14 1968315 500 365 6 129 +313.91 +/- 30.1
134337 ncm-et-13 2020-08-10 13:40 01:19:10 1962764 500 366 6 128 +315.35 +/- 30.23
134336 ncm-et-3 2020-08-10 13:38 01:17:26 1964919 500 352 7 141 +294.61 +/- 28.75
134335 ncm-et-15 2020-08-10 12:21 01:33:22 1963996 500 343 7 150 +282.94 +/- 27.82
134334 ncm-et-13 2020-08-10 12:21 01:17:13 1962917 500 353 4 143 +299.97 +/- 28.44
134333 ncm-et-10 2020-08-10 12:21 01:18:11 1962935 500 345 7 148 +285.49 +/- 28.02
134332 ncm-et-3 2020-08-10 12:19 01:17:22 1964918 500 345 9 146 +282.94 +/- 28.27
134331 ncm-et-4 2020-08-10 12:19 01:34:28 1970353 500 358 13 129 +294.61 +/- 30.16
134330 ncm-et-9 2020-08-10 12:18 01:31:56 1963531 500 371 6 123 +322.67 +/- 30.87

Commit

Commit ID ad2ad4c65706c18a5383506d361f1f23fc6a26ab
Author SFisGOD
Date 2020-08-10 09:14:46 UTC
Modify castling extension Extend castling only if there are few friendly pieces on the castling side. Inspired by silversolver1's (Rahul Dsilva) test https://tests.stockfishchess.org/tests/view/5f0fef560640035f9d2978cf STC: LLR: 2.94 (-2.94,2.94) {-0.50,1.50} Total: 7096 W: 947 L: 818 D: 5331 Ptnml(0-2): 32, 604, 2181, 665, 66 https://tests.stockfishchess.org/tests/view/5f309f729081672066537426 LTC: LLR: 2.96 (-2.94,2.94) {0.25,1.75} Total: 4712 W: 300 L: 215 D: 4197 Ptnml(0-2): 2, 190, 1895, 259, 10 https://tests.stockfishchess.org/tests/view/5f30a2039081672066537430 closes https://github.com/official-stockfish/Stockfish/pull/2970 Bench: 4094850
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