Dev Builds » 20211221-1242

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 11:16:05 1952176 3307 2820 7 480 +437.21 +/- 15.55
ncm-et-4 11:15:36 1961814 3344 2910 3 431 +462.19 +/- 16.42
ncm-et-9 11:15:36 1958775 3318 2828 9 481 +435.94 +/- 15.54
ncm-et-10 11:15:33 1949881 3310 2826 4 480 +439.67 +/- 15.54
ncm-et-13 11:15:45 1959524 3376 2890 3 483 +442.99 +/- 15.49
ncm-et-15 11:15:57 1959371 3345 2878 3 464 +448.68 +/- 15.81
20000 17152 29 2819 +444.28 +/- 6.41

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
155780 ncm-et-3 2021-12-23 17:04 00:28:28 1957705 138 109 1 28 +365.53 +/- 66.5
155779 ncm-et-10 2021-12-23 17:01 00:31:45 1955567 155 141 1 13 +517.49 +/- 103.54
155778 ncm-et-9 2021-12-23 16:59 00:34:02 1959864 160 134 0 26 +421.34 +/- 69.24
155777 ncm-et-15 2021-12-23 16:56 00:36:47 1964154 178 154 0 24 +456.36 +/- 72.58
155776 ncm-et-4 2021-12-23 16:53 00:40:03 1967696 193 169 0 24 +471.38 +/- 72.67
155775 ncm-et-13 2021-12-23 16:51 00:42:10 1963994 206 175 0 31 +435.81 +/- 63.06
155774 ncm-et-3 2021-12-23 15:22 01:41:38 1951318 500 426 2 72 +433.94 +/- 40.69
155773 ncm-et-9 2021-12-23 15:19 01:38:52 1964615 500 415 1 84 +410.58 +/- 37.5
155772 ncm-et-10 2021-12-23 15:18 01:42:50 1949516 500 432 0 68 +454.76 +/- 41.82
155771 ncm-et-15 2021-12-23 15:17 01:39:12 1965702 500 424 0 76 +433.94 +/- 39.45
155770 ncm-et-4 2021-12-23 15:13 01:39:38 1961079 500 431 0 69 +452.04 +/- 41.5
155769 ncm-et-13 2021-12-23 15:11 01:39:21 1964455 500 427 1 72 +438.95 +/- 40.66
155768 ncm-et-3 2021-12-23 13:39 01:42:26 1931489 500 431 0 69 +452.04 +/- 41.5
155767 ncm-et-9 2021-12-23 13:35 01:43:17 1957861 500 431 1 68 +449.35 +/- 41.89
155766 ncm-et-10 2021-12-23 13:35 01:42:11 1947666 500 409 2 89 +395.65 +/- 36.43
155765 ncm-et-15 2021-12-23 13:34 01:42:29 1956487 500 427 0 73 +441.5 +/- 40.29
155764 ncm-et-4 2021-12-23 13:32 01:39:38 1960771 500 431 0 69 +452.04 +/- 41.5
155763 ncm-et-13 2021-12-23 13:31 01:39:33 1964154 500 427 0 73 +441.5 +/- 40.29
155762 ncm-et-10 2021-12-23 11:54 01:40:00 1960316 500 433 0 67 +457.52 +/- 42.15
155761 ncm-et-3 2021-12-23 11:53 01:44:59 1944206 500 431 1 68 +449.35 +/- 41.89
155760 ncm-et-15 2021-12-23 11:53 01:39:56 1965997 500 433 1 66 +454.76 +/- 42.55
155759 ncm-et-9 2021-12-23 11:53 01:41:58 1964611 500 425 2 73 +431.48 +/- 40.4
155758 ncm-et-4 2021-12-23 11:52 01:39:26 1958175 500 422 0 78 +429.05 +/- 38.92
155757 ncm-et-13 2021-12-23 11:50 01:39:48 1959697 500 434 0 66 +460.32 +/- 42.48
155756 ncm-et-15 2021-12-23 10:11 01:41:13 1951003 500 438 2 60 +466.04 +/- 44.75
155755 ncm-et-13 2021-12-23 10:11 01:38:46 1966767 500 411 1 88 +401.92 +/- 36.6
155754 ncm-et-3 2021-12-23 10:11 01:41:48 1955268 500 412 1 87 +404.05 +/- 36.82
155753 ncm-et-4 2021-12-23 10:11 01:40:48 1973124 500 443 2 55 +481.1 +/- 46.83
155752 ncm-et-9 2021-12-23 10:11 01:41:20 1959550 500 428 1 71 +441.5 +/- 40.95
155751 ncm-et-10 2021-12-23 10:11 01:42:45 1947362 500 427 0 73 +441.5 +/- 40.29
155666 ncm-et-4 2021-12-22 11:04 00:30:57 1961431 151 132 1 18 +459.69 +/- 85.44
155665 ncm-et-10 2021-12-22 11:04 00:31:03 1953899 155 131 0 24 +430.45 +/- 72.4
155664 ncm-et-9 2021-12-22 11:03 00:32:09 1958474 158 138 0 20 +468.09 +/- 80.4
155663 ncm-et-3 2021-12-22 11:00 00:34:59 1959704 169 133 2 34 +358.94 +/- 60.02
155662 ncm-et-15 2021-12-22 11:00 00:34:35 1955287 167 147 0 20 +478.34 +/- 80.47
155661 ncm-et-13 2021-12-22 11:00 00:34:34 1962345 170 145 0 25 +440.13 +/- 70.87
155660 ncm-et-4 2021-12-22 09:21 01:42:30 1954061 500 441 0 59 +481.09 +/- 45.07
155659 ncm-et-10 2021-12-22 09:20 01:42:56 1934162 500 434 1 65 +457.52 +/- 42.89
155658 ncm-et-9 2021-12-22 09:20 01:42:22 1951490 500 432 2 66 +449.35 +/- 42.58
155657 ncm-et-15 2021-12-22 09:18 01:42:09 1956340 500 427 0 73 +441.5 +/- 40.29
155656 ncm-et-13 2021-12-22 09:18 01:42:11 1931672 500 437 1 62 +466.04 +/- 43.97
155655 ncm-et-3 2021-12-22 09:17 01:42:33 1955719 500 440 0 60 +477.98 +/- 44.67
155654 ncm-et-10 2021-12-22 07:38 01:42:03 1950563 500 419 0 81 +421.93 +/- 38.15
155653 ncm-et-4 2021-12-22 07:38 01:42:36 1958178 500 441 0 59 +481.09 +/- 45.07
155652 ncm-et-13 2021-12-22 07:38 01:39:22 1963111 500 434 0 66 +460.32 +/- 42.48
155651 ncm-et-9 2021-12-22 07:37 01:41:36 1953738 500 425 2 73 +431.48 +/- 40.4
155650 ncm-et-3 2021-12-22 07:37 01:39:14 1962000 500 438 0 62 +471.92 +/- 43.9
155649 ncm-et-15 2021-12-22 07:37 01:39:36 1960001 500 428 0 72 +444.08 +/- 40.59

Commit

Commit ID 22e92d23d24ade1053cf543624d0efd01387e886
Author bmc4
Date 2021-12-21 12:42:33 UTC
Remove Capture history pruning Fixed number of games. (book: 8moves_v3.png): ELO: -0.69 +-1.8 (95%) LOS: 22.1% Total: 20000 W: 1592 L: 1632 D: 16776 Ptnml(0-2): 44, 1194, 7566, 1150, 46 https://tests.stockfishchess.org/tests/view/61bb8eb657a0d0f327c30ce8 STC: LLR: 2.94 (-2.94,2.94) <-2.25,0.25> Total: 139976 W: 36039 L: 36036 D: 67901 Ptnml(0-2): 435, 16138, 36885, 16049, 481 https://tests.stockfishchess.org/tests/view/61be731857a0d0f327c39ea2 LTC: LLR: 2.95 (-2.94,2.94) <-2.25,0.25> Total: 70656 W: 18284 L: 18189 D: 34183 Ptnml(0-2): 34, 7317, 20529, 7416, 32 https://tests.stockfishchess.org/tests/view/61bf39b657a0d0f327c3c37b closes https://github.com/official-stockfish/Stockfish/pull/3867 bench: 4281737
Copyright 2011–2024 Next Chess Move LLC