Dev Builds » 20221212-0720

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 11:11:27 1951676 3315 2859 4 452 +451.01 +/- 16.03
ncm-et-4 11:11:31 1960255 3353 2860 3 490 +439.04 +/- 15.38
ncm-et-9 11:11:26 1961343 3352 2847 7 498 +433.02 +/- 15.27
ncm-et-10 11:11:27 1951055 3299 2836 6 457 +446.49 +/- 15.94
ncm-et-13 11:11:54 1963594 3363 2861 2 500 +436.6 +/- 15.22
ncm-et-15 11:11:30 1953029 3318 2853 9 456 +445.58 +/- 15.97
20000 17116 31 2853 +441.82 +/- 6.37

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
162786 ncm-et-10 2022-12-13 00:55 01:00:36 1947516 299 252 1 46 +423.65 +/- 51.29
162785 ncm-et-3 2022-12-13 00:52 01:03:35 1948932 315 269 0 46 +441.45 +/- 51.2
162784 ncm-et-15 2022-12-13 00:49 01:05:56 1947363 318 272 2 44 +435.25 +/- 52.56
162783 ncm-et-9 2022-12-13 00:44 01:11:25 1954209 352 290 1 61 +403.01 +/- 44.22
162782 ncm-et-4 2022-12-13 00:43 01:12:18 1951487 353 295 0 58 +419.25 +/- 45.31
162781 ncm-et-13 2022-12-13 00:41 01:14:08 1958828 363 312 0 51 +448.69 +/- 48.53
162780 ncm-et-10 2022-12-12 23:12 01:41:31 1950848 500 445 2 53 +487.45 +/- 47.75
162779 ncm-et-3 2022-12-12 23:10 01:40:43 1951934 500 431 1 68 +449.35 +/- 41.89
162778 ncm-et-15 2022-12-12 23:08 01:40:51 1958470 500 436 2 62 +460.32 +/- 43.99
162777 ncm-et-4 2022-12-12 23:02 01:39:50 1962187 500 428 1 71 +441.5 +/- 40.95
162776 ncm-et-13 2022-12-12 23:02 01:38:23 1968514 500 426 0 74 +438.95 +/- 40.01
162775 ncm-et-9 2022-12-12 23:01 01:42:09 1951044 500 416 1 83 +412.8 +/- 37.74
162774 ncm-et-10 2022-12-12 21:30 01:41:50 1947118 500 423 0 77 +431.48 +/- 39.18
162773 ncm-et-3 2022-12-12 21:28 01:41:54 1951471 500 433 2 65 +452.04 +/- 42.92
162772 ncm-et-15 2022-12-12 21:27 01:40:32 1960784 500 434 0 66 +460.32 +/- 42.48
162771 ncm-et-4 2022-12-12 21:22 01:39:24 1966472 500 425 0 75 +436.43 +/- 39.73
162770 ncm-et-9 2022-12-12 21:21 01:39:01 1972218 500 434 2 64 +454.76 +/- 43.27
162769 ncm-et-13 2022-12-12 21:21 01:41:04 1956494 500 424 0 76 +433.94 +/- 39.45
162768 ncm-et-10 2022-12-12 19:46 01:43:30 1948362 500 425 0 75 +436.43 +/- 39.73
162767 ncm-et-15 2022-12-12 19:45 01:41:19 1958624 500 424 1 75 +431.48 +/- 39.8
162766 ncm-et-3 2022-12-12 19:45 01:42:26 1943044 500 429 1 70 +444.09 +/- 41.26
162765 ncm-et-4 2022-12-12 19:42 01:39:28 1962320 500 424 0 76 +433.94 +/- 39.45
162764 ncm-et-13 2022-12-12 19:42 01:38:28 1970952 500 421 0 79 +426.65 +/- 38.66
162763 ncm-et-9 2022-12-12 19:41 01:39:39 1969873 500 423 0 77 +431.48 +/- 39.18
162762 ncm-et-10 2022-12-12 18:04 01:40:49 1956337 500 431 2 67 +446.7 +/- 42.25
162761 ncm-et-3 2022-12-12 18:03 01:41:24 1954851 500 427 0 73 +441.5 +/- 40.29
162760 ncm-et-15 2022-12-12 18:02 01:41:47 1943568 500 419 1 80 +419.61 +/- 38.47
162759 ncm-et-4 2022-12-12 18:01 01:40:08 1962007 500 428 0 72 +444.08 +/- 40.59
162758 ncm-et-13 2022-12-12 18:01 01:39:53 1967145 500 423 0 77 +431.48 +/- 39.18
162757 ncm-et-9 2022-12-12 18:01 01:39:24 1963457 500 428 1 71 +441.5 +/- 40.95
162756 ncm-et-15 2022-12-12 16:22 01:39:41 1954488 500 433 3 64 +449.35 +/- 43.26
162755 ncm-et-4 2022-12-12 16:22 01:38:55 1960360 500 421 2 77 +421.93 +/- 39.29
162754 ncm-et-10 2022-12-12 16:22 01:41:49 1954983 500 439 0 61 +474.93 +/- 44.28
162753 ncm-et-3 2022-12-12 16:21 01:41:22 1951801 500 432 0 68 +454.76 +/- 41.82
162752 ncm-et-9 2022-12-12 16:20 01:40:26 1958075 500 428 1 71 +441.5 +/- 40.95
162751 ncm-et-13 2022-12-12 16:19 01:41:01 1951182 500 423 0 77 +431.48 +/- 39.18
162750 ncm-et-15 2022-12-12 14:40 01:41:24 1947909 500 435 0 65 +463.15 +/- 42.83
162749 ncm-et-10 2022-12-12 14:40 01:41:22 1952226 500 421 1 78 +424.28 +/- 38.99
162748 ncm-et-3 2022-12-12 14:40 01:40:03 1959704 500 438 0 62 +471.92 +/- 43.9
162747 ncm-et-9 2022-12-12 14:40 01:39:22 1960526 500 428 1 71 +441.5 +/- 40.95
162746 ncm-et-4 2022-12-12 14:40 01:41:28 1956956 500 439 0 61 +474.93 +/- 44.28
162745 ncm-et-13 2022-12-12 14:40 01:38:57 1972044 500 432 2 66 +449.35 +/- 42.58

Commit

Commit ID 7cf93f8b7101e5cf5df3f7921861f27b3beb9525
Author VoyagerOne
Date 2022-12-12 07:20:48 UTC
Simplify Capture Scoring The parameters are now in one place for easier tuning. New formula is very similar to current. STC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 48176 W: 12819 L: 12616 D: 22741 Ptnml(0-2): 139, 5316, 13001, 5467, 165 LTC: LLR: 2.97 (-2.94,2.94) <-1.75,0.25> Total: 176752 W: 47364 L: 47304 D: 82084 Ptnml(0-2): 83, 17302, 53536, 17382, 73 https://tests.stockfishchess.org/tests/view/638ec7d068532fcbf79dfa15 closes https://github.com/official-stockfish/Stockfish/pull/4281 Bench: 3410998
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