Dev Builds » 20200908-2056

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 08:38:03 1959117 3306 2480 36 790 +329.66 +/- 12.11
ncm-et-4 08:34:46 1964640 3306 2490 42 774 +330.59 +/- 12.24
ncm-et-9 08:40:44 1966229 3345 2518 36 791 +331.77 +/- 12.1
ncm-et-10 08:37:12 1960980 3293 2480 24 789 +334.75 +/- 12.1
ncm-et-13 08:42:05 1962129 3373 2566 37 770 +337.86 +/- 12.27
ncm-et-15 08:42:11 1967485 3377 2541 37 799 +331.37 +/- 12.04
20000 15075 212 4713 +332.66 +/- 4.95

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
137779 ncm-et-10 2020-09-09 09:39 00:47:00 1957553 293 231 3 59 +361.57 +/- 45.02
137778 ncm-et-4 2020-09-09 09:38 00:47:34 1976382 306 233 4 69 +336.75 +/- 41.5
137777 ncm-et-3 2020-09-09 09:38 00:48:08 1930465 306 229 2 75 +331.64 +/- 39.61
137776 ncm-et-9 2020-09-09 09:33 00:52:55 1971580 345 261 4 80 +334.05 +/- 38.45
137775 ncm-et-13 2020-09-09 09:29 00:56:33 1961230 373 285 6 82 +336.45 +/- 38.0
137774 ncm-et-15 2020-09-09 09:29 00:57:22 1967237 377 286 3 88 +338.57 +/- 36.57
137773 ncm-et-4 2020-09-09 08:20 01:17:15 1971259 500 376 10 114 +324.17 +/- 32.12
137772 ncm-et-10 2020-09-09 08:20 01:17:55 1962472 500 376 4 120 +333.32 +/- 31.22
137771 ncm-et-3 2020-09-09 08:19 01:17:44 1964921 500 385 6 109 +344.48 +/- 32.87
137770 ncm-et-9 2020-09-09 08:14 01:18:02 1966312 500 373 2 125 +331.77 +/- 30.47
137769 ncm-et-13 2020-09-09 08:09 01:19:28 1961689 500 388 7 105 +347.77 +/- 33.51
137768 ncm-et-15 2020-09-09 08:08 01:19:10 1968476 500 381 4 115 +341.24 +/- 31.92
137767 ncm-et-10 2020-09-09 07:01 01:17:28 1969400 500 381 4 115 +341.24 +/- 31.92
137766 ncm-et-3 2020-09-09 07:00 01:18:09 1966150 500 375 10 115 +322.67 +/- 31.98
137765 ncm-et-4 2020-09-09 06:58 01:20:33 1933250 500 383 6 111 +341.24 +/- 32.56
137764 ncm-et-9 2020-09-09 06:55 01:17:55 1970337 500 380 7 113 +334.88 +/- 32.27
137763 ncm-et-15 2020-09-09 06:51 01:16:39 1967704 500 366 9 125 +311.06 +/- 30.65
137762 ncm-et-13 2020-09-09 06:50 01:17:32 1960769 500 386 4 110 +349.43 +/- 32.67
137761 ncm-et-3 2020-09-09 05:41 01:18:19 1964455 500 375 6 119 +328.7 +/- 31.4
137760 ncm-et-4 2020-09-09 05:39 01:18:12 1967864 500 381 2 117 +344.48 +/- 31.55
137759 ncm-et-10 2020-09-09 05:39 01:21:23 1958317 500 376 2 122 +336.46 +/- 30.86
137758 ncm-et-9 2020-09-09 05:36 01:18:09 1962917 500 370 4 126 +324.17 +/- 30.42
137757 ncm-et-13 2020-09-09 05:33 01:16:36 1964150 500 382 8 110 +336.46 +/- 32.72
137756 ncm-et-15 2020-09-09 05:31 01:18:13 1964301 500 371 4 125 +325.67 +/- 30.55
137755 ncm-et-4 2020-09-09 04:21 01:16:49 1968472 500 368 4 128 +321.19 +/- 30.17
137754 ncm-et-10 2020-09-09 04:21 01:16:30 1954347 500 365 4 131 +316.8 +/- 29.8
137753 ncm-et-3 2020-09-09 04:21 01:18:28 1962150 500 382 2 116 +346.12 +/- 31.7
137752 ncm-et-9 2020-09-09 04:17 01:17:16 1962005 500 383 5 112 +342.85 +/- 32.39
137751 ncm-et-15 2020-09-09 04:15 01:15:18 1973426 500 364 8 128 +309.64 +/- 30.26
137750 ncm-et-13 2020-09-09 04:13 01:18:08 1962611 500 381 2 117 +344.48 +/- 31.55
137749 ncm-et-4 2020-09-09 03:03 01:17:33 1963380 500 374 5 121 +328.7 +/- 31.11
137748 ncm-et-10 2020-09-09 03:02 01:18:21 1961085 500 381 4 115 +341.24 +/- 31.92
137747 ncm-et-3 2020-09-09 03:02 01:18:15 1963225 500 373 6 121 +325.67 +/- 31.13
137746 ncm-et-9 2020-09-09 02:59 01:17:35 1964917 500 371 5 124 +324.17 +/- 30.71
137745 ncm-et-15 2020-09-09 02:56 01:17:35 1967241 500 379 5 116 +336.46 +/- 31.8
137744 ncm-et-13 2020-09-09 02:55 01:17:12 1964455 500 374 4 122 +330.23 +/- 30.94
137743 ncm-et-4 2020-09-09 01:45 01:16:50 1971874 500 375 11 114 +321.19 +/- 32.11
137742 ncm-et-10 2020-09-09 01:42 01:18:35 1963692 500 370 3 127 +325.67 +/- 30.26
137741 ncm-et-3 2020-09-09 01:42 01:19:00 1962459 500 361 4 135 +311.06 +/- 29.33
137740 ncm-et-9 2020-09-09 01:39 01:18:52 1965535 500 380 9 111 +331.77 +/- 32.57
137739 ncm-et-13 2020-09-09 01:38 01:16:36 1960001 500 370 6 124 +321.19 +/- 30.74
137738 ncm-et-15 2020-09-09 01:37 01:17:54 1964011 500 394 4 102 +363.2 +/- 33.99

Commit

Commit ID 0405f3540366cc16245d51531881c55d3726c8b5
Author SFisGOD
Date 2020-09-08 20:56:08 UTC
Double probability of using classical eval This patch doubles the moderate imbalance threshold and probability of using classical eval. So now if imbalance is greater than PawnValueMg / 4 then there is a 1/8 chance of using classical eval. STC: LLR: 2.93 (-2.94,2.94) {-0.25,1.25} Total: 10984 W: 1303 L: 1140 D: 8541 Ptnml(0-2): 58, 867, 3489, 1010, 68 https://tests.stockfishchess.org/tests/view/5f554c9f97da2d5437d3813e LTC: LLR: 2.95 (-2.94,2.94) {0.25,1.25} Total: 43064 W: 2476 L: 2276 D: 38312 Ptnml(0-2): 37, 1985, 17308, 2145, 57 https://tests.stockfishchess.org/tests/view/5f55690a00a0aa2ca79f0a43 closes https://github.com/official-stockfish/Stockfish/pull/3114 Bench: 4161067
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