Dev Builds » 20221008-1609

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 11:17:24 1954436 3327 2847 7 473 +441.02 +/- 15.67
ncm-et-4 11:17:27 1953789 3328 2852 5 471 +443.4 +/- 15.7
ncm-et-9 11:17:35 1958832 3349 2908 6 435 +458.26 +/- 16.35
ncm-et-10 11:17:39 1950044 3302 2817 4 481 +438.84 +/- 15.53
ncm-et-13 11:17:28 1963412 3370 2862 4 504 +434.03 +/- 15.16
ncm-et-15 11:17:58 1946087 3324 2864 5 455 +449.5 +/- 15.98
20000 17150 31 2819 +444.02 +/- 6.41

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
161109 ncm-et-10 2022-10-09 06:16 01:02:48 1941560 302 255 0 47 +429.5 +/- 50.58
161108 ncm-et-3 2022-10-09 06:12 01:06:35 1958347 327 281 1 45 +444.44 +/- 51.94
161107 ncm-et-4 2022-10-09 06:12 01:07:00 1939710 328 275 1 52 +418.88 +/- 48.09
161106 ncm-et-15 2022-10-09 06:11 01:08:37 1923399 324 276 0 48 +438.76 +/- 50.06
161105 ncm-et-9 2022-10-09 06:08 01:10:28 1957867 349 299 1 49 +441.33 +/- 49.66
161104 ncm-et-13 2022-10-09 06:03 01:16:04 1954970 370 310 1 59 +418.62 +/- 45.03
161103 ncm-et-10 2022-10-09 04:34 01:41:20 1953916 500 435 1 64 +460.32 +/- 43.24
161102 ncm-et-15 2022-10-09 04:29 01:40:56 1956177 500 447 0 53 +500.82 +/- 47.69
161101 ncm-et-4 2022-10-09 04:29 01:42:08 1953740 500 439 0 61 +474.93 +/- 44.28
161100 ncm-et-9 2022-10-09 04:29 01:39:07 1965859 500 427 0 73 +441.5 +/- 40.29
161099 ncm-et-3 2022-10-09 04:28 01:43:42 1956242 500 426 1 73 +436.43 +/- 40.36
161098 ncm-et-13 2022-10-09 04:22 01:40:14 1973120 500 420 0 80 +424.27 +/- 38.4
161097 ncm-et-10 2022-10-09 02:51 01:42:44 1946308 500 427 1 72 +438.95 +/- 40.66
161096 ncm-et-4 2022-10-09 02:47 01:41:15 1958057 500 426 0 74 +438.95 +/- 40.01
161095 ncm-et-3 2022-10-09 02:46 01:40:51 1947515 500 437 2 61 +463.16 +/- 44.37
161094 ncm-et-9 2022-10-09 02:45 01:42:30 1952838 500 439 1 60 +471.92 +/- 44.73
161093 ncm-et-15 2022-10-09 02:45 01:43:08 1914660 500 426 3 71 +431.48 +/- 41.0
161092 ncm-et-13 2022-10-09 02:39 01:41:44 1955875 500 426 1 73 +436.43 +/- 40.36
161091 ncm-et-10 2022-10-09 01:08 01:42:18 1954499 500 435 0 65 +463.15 +/- 42.83
161090 ncm-et-3 2022-10-09 01:05 01:40:14 1959307 500 425 1 74 +433.94 +/- 40.08
161089 ncm-et-9 2022-10-09 01:05 01:40:18 1960644 500 434 0 66 +460.32 +/- 42.48
161088 ncm-et-15 2022-10-09 01:04 01:40:38 1962620 500 450 0 50 +511.49 +/- 49.18
161087 ncm-et-4 2022-10-09 01:04 01:42:28 1958045 500 421 1 78 +424.28 +/- 38.99
161086 ncm-et-13 2022-10-09 00:59 01:40:01 1960784 500 424 0 76 +433.94 +/- 39.45
161085 ncm-et-10 2022-10-08 23:24 01:43:26 1943022 500 429 0 71 +446.7 +/- 40.89
161084 ncm-et-15 2022-10-08 23:23 01:40:12 1961690 500 430 2 68 +444.09 +/- 41.92
161083 ncm-et-4 2022-10-08 23:22 01:40:53 1959254 500 428 2 70 +438.95 +/- 41.29
161082 ncm-et-3 2022-10-08 23:22 01:42:24 1958808 500 429 1 70 +444.09 +/- 41.26
161081 ncm-et-9 2022-10-08 23:21 01:42:49 1952885 500 442 0 58 +484.24 +/- 45.47
161080 ncm-et-13 2022-10-08 23:18 01:40:24 1968781 500 425 1 74 +433.94 +/- 40.08
161079 ncm-et-9 2022-10-08 21:41 01:39:45 1965700 500 439 2 59 +468.96 +/- 45.15
161078 ncm-et-15 2022-10-08 21:40 01:42:38 1945290 500 427 0 73 +441.5 +/- 40.29
161077 ncm-et-10 2022-10-08 21:40 01:43:29 1957256 500 404 1 95 +387.57 +/- 35.16
161076 ncm-et-4 2022-10-08 21:40 01:42:14 1957266 500 439 0 61 +474.93 +/- 44.28
161075 ncm-et-3 2022-10-08 21:39 01:42:23 1944170 500 422 0 78 +429.05 +/- 38.92
161074 ncm-et-13 2022-10-08 21:38 01:38:52 1964941 500 419 1 80 +419.61 +/- 38.47
161073 ncm-et-9 2022-10-08 19:57 01:42:38 1956034 500 428 2 70 +438.95 +/- 41.29
161072 ncm-et-4 2022-10-08 19:57 01:41:29 1950454 500 424 1 75 +431.48 +/- 39.8
161071 ncm-et-3 2022-10-08 19:57 01:41:15 1956669 500 427 1 72 +438.95 +/- 40.66
161070 ncm-et-15 2022-10-08 19:57 01:41:49 1958778 500 408 0 92 +397.72 +/- 35.69
161069 ncm-et-10 2022-10-08 19:57 01:41:34 1953749 500 432 1 67 +452.04 +/- 42.22
161068 ncm-et-13 2022-10-08 19:57 01:40:09 1965418 500 438 0 62 +471.92 +/- 43.9

Commit

Commit ID e90341f9c9cd24e75aba2485b2ab1e445f4a5b70
Author Stefan Geschwentner
Date 2022-10-08 16:09:02 UTC
Tweak history initialization Simplify initialization of continuation history by using everywhere the same starting value. STC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 90952 W: 24312 L: 24153 D: 42487 Ptnml(0-2): 356, 10168, 24290, 10285, 377 https://tests.stockfishchess.org/tests/view/633948f235f43d649ff61fd0 LTC: LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 162416 W: 43540 L: 43466 D: 75410 Ptnml(0-2): 77, 16289, 48417, 16333, 92 https://tests.stockfishchess.org/tests/view/6339ee8a35f43d649ff63986 closes https://github.com/official-stockfish/Stockfish/pull/4186 Bench: 4156027
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