Dev Builds » 20220620-0625

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 13:32:01 1962085 3992 3415 2 575 +442.74 +/- 14.19
ncm-et-9 13:32:02 1964529 4042 3463 8 571 +442.5 +/- 14.26
ncm-et-10 13:32:23 1959381 3993 3421 7 565 +442.79 +/- 14.33
ncm-et-13 13:32:09 1959429 3981 3422 5 554 +447.13 +/- 14.47
ncm-et-15 13:32:51 1960721 3992 3406 3 583 +439.53 +/- 14.09
20000 17127 25 2848 +442.92 +/- 6.37

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
159241 ncm-et-9 2022-06-23 14:05 00:09:13 1958019 42 36 0 6 +445.52 +/- 175.34
159240 ncm-et-3 2022-06-23 12:34 01:39:17 1963862 492 419 0 73 +438.47 +/- 40.29
159239 ncm-et-13 2022-06-23 12:34 01:39:24 1958968 481 416 0 65 +455.95 +/- 42.81
159238 ncm-et-15 2022-06-23 12:34 01:40:12 1964462 492 433 0 59 +478.11 +/- 45.06
159237 ncm-et-10 2022-06-23 12:34 01:40:31 1959083 493 422 1 70 +441.45 +/- 41.26
159236 ncm-et-9 2022-06-23 12:24 01:39:35 1965233 500 426 3 71 +431.48 +/- 41.0
159235 ncm-et-13 2022-06-23 10:53 01:40:35 1963278 500 430 2 68 +444.09 +/- 41.92
159234 ncm-et-10 2022-06-23 10:52 01:40:49 1961390 500 424 1 75 +431.48 +/- 39.8
159233 ncm-et-3 2022-06-23 10:50 01:43:32 1962774 500 429 0 71 +446.7 +/- 40.89
159232 ncm-et-15 2022-06-23 10:48 01:44:58 1957412 500 415 0 85 +412.8 +/- 37.2
159231 ncm-et-9 2022-06-23 10:44 01:39:51 1961848 500 429 0 71 +446.7 +/- 40.89
159230 ncm-et-13 2022-06-23 09:09 01:42:59 1956334 500 437 0 63 +468.95 +/- 43.54
159229 ncm-et-10 2022-06-23 09:09 01:42:30 1955266 500 424 2 74 +429.05 +/- 40.11
159228 ncm-et-3 2022-06-23 09:09 01:40:41 1965533 500 422 0 78 +429.05 +/- 38.92
159227 ncm-et-15 2022-06-23 09:04 01:42:54 1958164 500 429 1 70 +444.09 +/- 41.26
159226 ncm-et-9 2022-06-23 09:02 01:40:52 1959720 500 427 1 72 +438.95 +/- 40.66
159225 ncm-et-10 2022-06-23 07:26 01:42:04 1956338 500 420 1 79 +421.93 +/- 38.73
159224 ncm-et-13 2022-06-23 07:26 01:42:47 1957247 500 431 0 69 +452.04 +/- 41.5
159223 ncm-et-3 2022-06-23 07:24 01:44:16 1953708 500 426 0 74 +438.95 +/- 40.01
159222 ncm-et-15 2022-06-23 07:22 01:41:49 1963695 500 425 0 75 +436.43 +/- 39.73
159221 ncm-et-9 2022-06-23 07:20 01:42:09 1961698 500 428 0 72 +444.08 +/- 40.59
159220 ncm-et-13 2022-06-23 05:43 01:42:10 1961544 500 439 1 60 +471.92 +/- 44.73
159219 ncm-et-3 2022-06-23 05:43 01:40:08 1967851 500 425 2 73 +431.48 +/- 40.4
159218 ncm-et-10 2022-06-23 05:43 01:42:38 1954208 500 427 0 73 +441.5 +/- 40.29
159217 ncm-et-15 2022-06-23 05:40 01:41:06 1961690 500 428 1 71 +441.5 +/- 40.95
159216 ncm-et-9 2022-06-23 05:38 01:40:37 1966315 500 424 0 76 +433.94 +/- 39.45
159215 ncm-et-10 2022-06-23 04:01 01:41:31 1964472 500 430 0 70 +449.35 +/- 41.19
159214 ncm-et-13 2022-06-23 04:00 01:42:44 1954971 500 426 0 74 +438.95 +/- 40.01
159213 ncm-et-3 2022-06-23 03:59 01:43:13 1956345 500 414 0 86 +410.58 +/- 36.97
159212 ncm-et-15 2022-06-23 03:58 01:41:47 1956954 500 421 1 78 +424.28 +/- 38.99
159211 ncm-et-9 2022-06-23 03:57 01:40:51 1967385 500 425 1 74 +433.94 +/- 40.08
159210 ncm-et-10 2022-06-23 02:19 01:41:04 1961228 500 437 1 62 +466.04 +/- 43.97
159209 ncm-et-13 2022-06-23 02:18 01:41:25 1962917 500 423 0 77 +431.48 +/- 39.18
159208 ncm-et-3 2022-06-23 02:18 01:41:02 1962302 500 435 0 65 +463.15 +/- 42.83
159207 ncm-et-9 2022-06-23 02:17 01:39:16 1971906 500 437 1 62 +466.04 +/- 43.97
159206 ncm-et-15 2022-06-23 02:17 01:40:29 1963999 500 424 0 76 +433.94 +/- 39.45
159205 ncm-et-10 2022-06-23 00:37 01:41:16 1963070 500 437 1 62 +466.04 +/- 43.97
159204 ncm-et-3 2022-06-23 00:37 01:39:52 1964308 500 445 0 55 +494.02 +/- 46.77
159203 ncm-et-13 2022-06-23 00:37 01:40:05 1960179 500 420 2 78 +419.61 +/- 39.03
159202 ncm-et-9 2022-06-23 00:37 01:39:38 1968645 500 431 2 67 +446.7 +/- 42.25
159201 ncm-et-15 2022-06-23 00:37 01:39:36 1959396 500 431 0 69 +452.04 +/- 41.5

Commit

Commit ID 5304b561ab96ae1c025d98cf4a6d138daa11374d
Author Dubslow
Date 2022-06-20 06:25:50 UTC
LMR: remove `deeper` ...apparently it wasn't doing much anymore. inspired by rufish's recent attempts to improve this. passed STC: https://tests.stockfishchess.org/tests/view/62abca2cd89eb6cf1e072c04 LLR: 2.95 (-2.94,2.94) <-2.25,0.25> Total: 85576 W: 22766 L: 22683 D: 40127 Ptnml(0-2): 362, 9607, 22741, 9742, 336 passed LTC: https://tests.stockfishchess.org/tests/view/62ac90ffd89eb6cf1e07488f LLR: 2.93 (-2.94,2.94) <-2.25,0.25> Total: 48248 W: 13018 L: 12896 D: 22334 Ptnml(0-2): 32, 4773, 14400, 4879, 40 closes https://github.com/official-stockfish/Stockfish/pull/4088 bench 5578988
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