Dev Builds » 20200830-1204

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 08:37:46 1962443 3315 2432 51 832 +314.09 +/- 11.81
ncm-et-4 08:37:46 1963732 3332 2442 38 852 +316.42 +/- 11.65
ncm-et-9 08:37:54 1967336 3352 2515 47 790 +327.39 +/- 12.12
ncm-et-10 08:37:55 1962676 3332 2463 39 830 +320.81 +/- 11.81
ncm-et-13 08:37:37 1961669 3339 2459 56 824 +315.11 +/- 11.87
ncm-et-15 08:37:51 1970400 3330 2485 31 814 +327.89 +/- 11.92
20000 14796 262 4942 +320.23 +/- 4.84

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
137617 ncm-et-3 2020-09-07 23:56 00:48:47 1965688 315 226 4 85 +304.6 +/- 37.18
137616 ncm-et-4 2020-09-07 23:54 00:50:44 1968488 332 241 4 87 +310.96 +/- 36.76
137615 ncm-et-15 2020-09-07 23:53 00:51:43 1968319 330 246 1 83 +332.1 +/- 37.48
137614 ncm-et-10 2020-09-07 23:52 00:52:58 1959118 332 243 4 85 +315.26 +/- 37.22
137613 ncm-et-13 2020-09-07 23:52 00:53:10 1961383 339 257 3 79 +337.45 +/- 38.66
137612 ncm-et-9 2020-09-07 23:51 00:54:28 1968792 352 275 4 73 +354.4 +/- 40.34
137611 ncm-et-3 2020-09-07 22:37 01:18:47 1958494 500 367 7 126 +315.35 +/- 30.5
137610 ncm-et-15 2020-09-07 22:35 01:17:20 1970328 500 356 6 138 +301.33 +/- 29.05
137609 ncm-et-10 2020-09-07 22:34 01:17:17 1965088 500 364 6 130 +312.48 +/- 29.98
137608 ncm-et-13 2020-09-07 22:34 01:17:14 1960924 500 360 9 131 +302.7 +/- 29.91
137607 ncm-et-9 2020-09-07 22:34 01:16:07 1962150 500 365 7 128 +312.48 +/- 30.25
137606 ncm-et-4 2020-09-07 22:33 01:20:10 1944588 500 364 5 131 +313.91 +/- 29.83
137605 ncm-et-3 2020-09-07 21:17 01:18:05 1958319 500 360 8 132 +304.07 +/- 29.78
137604 ncm-et-15 2020-09-07 21:17 01:17:04 1971573 500 364 5 131 +313.91 +/- 29.83
137603 ncm-et-10 2020-09-07 21:17 01:16:00 1960935 500 376 7 117 +328.7 +/- 31.7
137602 ncm-et-13 2020-09-07 21:15 01:17:30 1960463 500 366 6 128 +315.35 +/- 30.23
137601 ncm-et-9 2020-09-07 21:15 01:17:55 1965857 500 383 5 112 +342.85 +/- 32.39
137600 ncm-et-4 2020-09-07 21:14 01:18:17 1975918 500 380 8 112 +333.32 +/- 32.42
137599 ncm-et-10 2020-09-07 19:57 01:18:21 1965083 500 366 4 130 +318.25 +/- 29.92
137598 ncm-et-15 2020-09-07 19:57 01:18:26 1969395 500 382 7 111 +338.04 +/- 32.57
137597 ncm-et-3 2020-09-07 19:57 01:18:54 1965688 500 368 10 122 +312.48 +/- 31.03
137596 ncm-et-9 2020-09-07 19:57 01:16:21 1965085 500 369 10 121 +313.91 +/- 31.16
137595 ncm-et-13 2020-09-07 19:57 01:16:59 1959694 500 370 11 119 +313.91 +/- 31.42
137594 ncm-et-4 2020-09-07 19:57 01:15:48 1970487 500 344 4 152 +288.06 +/- 27.52
137593 ncm-et-10 2020-09-07 18:40 01:16:53 1958938 500 368 4 128 +321.19 +/- 30.17
137592 ncm-et-3 2020-09-07 18:39 01:17:17 1964609 500 369 8 123 +316.8 +/- 30.9
137591 ncm-et-15 2020-09-07 18:39 01:17:36 1966169 500 382 3 115 +344.48 +/- 31.89
137590 ncm-et-13 2020-09-07 18:38 01:17:55 1963535 500 376 10 114 +324.17 +/- 32.12
137589 ncm-et-9 2020-09-07 18:38 01:18:18 1969737 500 371 6 123 +322.67 +/- 30.87
137588 ncm-et-4 2020-09-07 18:38 01:18:11 1962609 500 370 6 124 +321.19 +/- 30.74
137587 ncm-et-3 2020-09-07 17:21 01:17:14 1962763 500 388 5 107 +351.11 +/- 33.17
137586 ncm-et-15 2020-09-07 17:21 01:17:13 1972037 500 360 6 134 +306.84 +/- 29.51
137585 ncm-et-13 2020-09-07 17:20 01:16:54 1963071 500 372 5 123 +325.67 +/- 30.84
137584 ncm-et-10 2020-09-07 17:20 01:18:24 1960331 500 367 8 125 +313.91 +/- 30.64
137583 ncm-et-9 2020-09-07 17:19 01:18:03 1972807 500 375 6 119 +328.7 +/- 31.4
137582 ncm-et-4 2020-09-07 17:18 01:18:17 1951375 500 370 7 123 +319.72 +/- 30.88
137581 ncm-et-13 2020-09-07 16:01 01:17:55 1962613 500 358 12 130 +295.94 +/- 30.04
137580 ncm-et-3 2020-09-07 16:01 01:18:42 1961542 500 354 9 137 +294.61 +/- 29.22
137579 ncm-et-15 2020-09-07 16:01 01:18:29 1974980 500 395 3 102 +366.78 +/- 33.96
137578 ncm-et-10 2020-09-07 16:01 01:18:02 1969239 500 379 6 115 +334.88 +/- 31.97
137577 ncm-et-9 2020-09-07 16:01 01:16:42 1966928 500 377 9 114 +327.18 +/- 32.13
137576 ncm-et-4 2020-09-07 16:01 01:16:19 1972659 500 373 4 123 +328.7 +/- 30.81

Commit

Commit ID d90d893b5eeea020b2d59d1372f5aa0a20b45412
Author Unai Corzo
Date 2020-08-30 12:04:29 UTC
Reintroduce depth reduction Reintroduce depth reduction if the position is not in TT. STC https://tests.stockfishchess.org/tests/view/5f4652e85089a564a10d868c LLR: 2.97 (-2.94,2.94) {-0.25,1.25} Total: 40240 W: 4535 L: 4331 D: 31374 Ptnml(0-2): 215, 3276, 12969, 3410, 250 LTC https://tests.stockfishchess.org/tests/view/5f46ca5e5089a564a10d86f3 LLR: 2.93 (-2.94,2.94) {0.25,1.25} Total: 63096 W: 3426 L: 3188 D: 56482 Ptnml(0-2): 51, 2798, 25645, 2970, 84 closes https://github.com/official-stockfish/Stockfish/pull/3072 bench: 3611906
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