Dev Builds » 20211108-1214

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 08:57:22 1895715 3371 2890 6 475 +443.48 +/- 15.64
ncm-et-4 08:58:00 1817430 3027 2549 11 467 +422.46 +/- 15.78
ncm-et-9 08:57:19 1903231 3391 2912 5 474 +445.74 +/- 15.65
ncm-et-10 08:57:33 1907279 3416 2910 7 499 +436.21 +/- 15.25
ncm-et-13 08:56:45 1899404 3386 2891 7 488 +438.63 +/- 15.43
ncm-et-15 08:57:45 1903502 3409 2877 11 521 +425.13 +/- 14.93
20000 17029 47 2924 +435.31 +/- 6.29

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
153543 ncm-et-3 2021-11-09 03:41 00:30:53 1945855 198 172 0 26 +461.28 +/- 69.5
153542 ncm-et-13 2021-11-09 03:39 00:32:48 1965385 219 193 0 26 +479.96 +/- 69.6
153541 ncm-et-9 2021-11-09 03:38 00:33:54 1962763 225 202 0 23 +507.46 +/- 74.59
153540 ncm-et-15 2021-11-09 03:36 00:35:37 1960619 243 202 0 41 +414.22 +/- 54.27
153539 ncm-et-10 2021-11-09 03:34 00:37:54 1960769 251 202 1 48 +382.47 +/- 50.03
153538 ncm-et-4 2021-11-09 03:18 00:53:52 1953021 345 282 0 63 +399.17 +/- 43.34
153537 ncm-et-3 2021-11-09 02:24 01:16:36 1956651 500 436 0 64 +466.03 +/- 43.18
153536 ncm-et-13 2021-11-09 02:23 01:15:57 1956044 500 415 0 85 +412.8 +/- 37.2
153535 ncm-et-15 2021-11-09 02:22 01:14:18 1964008 500 420 3 77 +417.32 +/- 39.31
153534 ncm-et-9 2021-11-09 02:21 01:16:22 1958316 500 423 0 77 +431.48 +/- 39.18
153533 ncm-et-10 2021-11-09 02:17 01:16:15 1950322 500 427 0 73 +441.5 +/- 40.29
153532 ncm-et-4 2021-11-09 02:04 01:14:08 1967699 500 411 2 87 +399.81 +/- 36.87
153531 ncm-et-3 2021-11-09 01:08 01:14:55 1961080 500 436 3 61 +457.52 +/- 44.35
153530 ncm-et-13 2021-11-09 01:07 01:15:20 1956948 500 435 1 64 +460.32 +/- 43.24
153529 ncm-et-9 2021-11-09 01:06 01:14:29 1965536 500 433 2 65 +452.04 +/- 42.92
153528 ncm-et-15 2021-11-09 01:05 01:16:06 1955571 500 433 1 66 +454.76 +/- 42.55
153527 ncm-et-10 2021-11-09 01:00 01:16:16 1953892 500 420 0 80 +424.27 +/- 38.4
153526 ncm-et-4 2021-11-09 00:46 01:16:44 1953495 500 423 5 72 +419.61 +/- 40.65
153525 ncm-et-3 2021-11-08 23:54 01:13:55 1960321 500 415 0 85 +412.8 +/- 37.2
153524 ncm-et-9 2021-11-08 23:51 01:14:39 1962763 500 428 1 71 +441.5 +/- 40.95
153523 ncm-et-13 2021-11-08 23:50 01:15:46 1966922 500 424 3 73 +426.65 +/- 40.41
153522 ncm-et-15 2021-11-08 23:49 01:15:39 1961232 500 426 1 73 +436.43 +/- 40.36
153521 ncm-et-10 2021-11-08 23:46 01:13:32 1965227 500 421 2 77 +421.93 +/- 39.29
153520 ncm-et-13 2021-11-08 22:10 01:39:57 1476555 500 431 2 67 +446.7 +/- 42.25
153519 ncm-et-4 2021-11-08 22:09 02:36:12 960998 500 419 0 81 +421.93 +/- 38.15
153518 ncm-et-3 2021-11-08 22:09 01:43:43 1468867 500 433 1 66 +454.76 +/- 42.55
153517 ncm-et-9 2021-11-08 22:09 01:40:49 1480154 500 437 0 63 +468.95 +/- 43.54
153516 ncm-et-10 2021-11-08 22:09 01:36:14 1538751 500 428 2 70 +438.95 +/- 41.29
153515 ncm-et-15 2021-11-08 22:09 01:38:46 1508831 500 424 2 74 +429.05 +/- 40.11
153514 ncm-et-10 2021-11-08 21:37 00:24:49 1963396 165 139 0 26 +427.15 +/- 69.28
153513 ncm-et-9 2021-11-08 21:37 00:25:29 1964765 166 140 1 25 +421.17 +/- 71.03
153512 ncm-et-15 2021-11-08 21:37 00:25:38 1964322 166 138 0 28 +414.27 +/- 66.47
153511 ncm-et-3 2021-11-08 21:36 00:25:57 1963689 173 152 0 21 +475.85 +/- 78.28
153510 ncm-et-13 2021-11-08 21:36 00:25:39 1955720 167 143 1 23 +436.81 +/- 74.42
153509 ncm-et-4 2021-11-08 21:34 00:27:51 1956792 182 159 1 22 +460.51 +/- 76.37
153508 ncm-et-10 2021-11-08 20:21 01:15:49 1968940 500 442 1 57 +481.1 +/- 45.96
153507 ncm-et-9 2021-11-08 20:21 01:15:22 1965249 500 421 1 78 +424.28 +/- 38.99
153506 ncm-et-13 2021-11-08 20:20 01:15:58 1954893 500 424 0 76 +433.94 +/- 39.45
153505 ncm-et-15 2021-11-08 20:19 01:16:29 1953740 500 424 3 73 +426.65 +/- 40.41
153504 ncm-et-3 2021-11-08 20:19 01:16:16 1944344 500 410 1 89 +399.81 +/- 36.38
153503 ncm-et-4 2021-11-08 20:18 01:15:16 1962928 500 422 2 76 +424.28 +/- 39.56
153502 ncm-et-9 2021-11-08 19:04 01:16:15 1966307 500 428 0 72 +444.08 +/- 40.59
153501 ncm-et-10 2021-11-08 19:04 01:16:44 1956940 500 431 1 68 +449.35 +/- 41.89
153500 ncm-et-4 2021-11-08 19:04 01:13:57 1967080 500 433 1 66 +454.76 +/- 42.55
153499 ncm-et-3 2021-11-08 19:04 01:15:07 1964919 500 436 1 63 +463.16 +/- 43.6
153498 ncm-et-15 2021-11-08 19:04 01:15:12 1959695 500 410 1 89 +399.81 +/- 36.38
153497 ncm-et-13 2021-11-08 19:04 01:15:20 1962767 500 426 0 74 +438.95 +/- 40.01

Commit

Commit ID c4a1390f4e485b8b6a2cf43504a968a3c8a4317d
Author bmc4
Date 2021-11-08 12:14:18 UTC
Simplify away the Reverse Move penalty This simplifies the penalty for reverse move introduced in https://github.com/official-stockfish/Stockfish/pull/2294 . STC: LLR: 2.94 (-2.94,2.94) <-2.25,0.25> Total: 81696 W: 20627 L: 20540 D: 40529 Ptnml(0-2): 221, 9390, 21559, 9437, 241 https://tests.stockfishchess.org/tests/view/618810acd7a085ad008ef1cc LTC: LLR: 2.95 (-2.94,2.94) <-2.25,0.25> Total: 44136 W: 11021 L: 10890 D: 22225 Ptnml(0-2): 28, 4570, 12746, 4691, 33 https://tests.stockfishchess.org/tests/view/61885686d7a085ad008ef20b closes https://github.com/official-stockfish/Stockfish/pull/3781 bench: 6547978
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