Dev Builds » 20210917-0614

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 08:23:40 1956861 3312 2857 7 448 +450.03 +/- 16.11
ncm-et-4 08:23:23 1957107 3347 2859 14 474 +436.45 +/- 15.67
ncm-et-9 08:23:24 1963321 3322 2859 3 460 +448.98 +/- 15.88
ncm-et-10 08:23:22 1956361 3311 2851 10 450 +446.77 +/- 16.08
ncm-et-13 08:23:23 1963876 3351 2871 5 475 +443.14 +/- 15.63
ncm-et-15 08:23:33 1960605 3357 2867 8 482 +438.51 +/- 15.53
20000 17164 47 2789 +443.89 +/- 6.44

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
151652 ncm-et-10 2021-09-17 18:51 00:47:28 1950851 311 261 0 50 +423.36 +/- 48.95
151651 ncm-et-3 2021-09-17 18:51 00:48:14 1933558 312 272 0 40 +465.73 +/- 55.19
151650 ncm-et-9 2021-09-17 18:49 00:49:35 1964463 322 275 1 46 +437.6 +/- 51.33
151649 ncm-et-13 2021-09-17 18:46 00:52:37 1966349 351 302 0 49 +449.88 +/- 49.56
151648 ncm-et-4 2021-09-17 18:46 00:52:46 1962307 347 294 0 53 +433.03 +/- 47.52
151647 ncm-et-15 2021-09-17 18:45 00:53:26 1958478 357 304 1 52 +434.86 +/- 48.13
151646 ncm-et-3 2021-09-17 17:36 01:14:01 1973430 500 436 1 63 +463.16 +/- 43.6
151645 ncm-et-10 2021-09-17 17:35 01:15:15 1954651 500 444 2 54 +484.25 +/- 47.29
151644 ncm-et-9 2021-09-17 17:33 01:15:18 1969085 500 422 0 78 +429.05 +/- 38.92
151643 ncm-et-4 2021-09-17 17:31 01:14:38 1963545 500 428 4 68 +433.94 +/- 41.9
151642 ncm-et-15 2021-09-17 17:30 01:14:33 1959550 500 432 2 66 +449.35 +/- 42.58
151641 ncm-et-13 2021-09-17 17:30 01:15:28 1965226 500 433 0 67 +457.52 +/- 42.15
151640 ncm-et-3 2021-09-17 16:19 01:16:22 1956033 500 421 1 78 +424.28 +/- 38.99
151639 ncm-et-10 2021-09-17 16:19 01:15:54 1956643 500 437 1 62 +466.04 +/- 43.97
151638 ncm-et-9 2021-09-17 16:16 01:16:21 1948444 500 431 0 69 +452.04 +/- 41.5
151637 ncm-et-15 2021-09-17 16:15 01:14:24 1961246 500 428 1 71 +441.5 +/- 40.95
151636 ncm-et-4 2021-09-17 16:14 01:15:52 1956518 500 434 4 62 +449.35 +/- 43.93
151635 ncm-et-13 2021-09-17 16:14 01:15:25 1962459 500 427 1 72 +438.95 +/- 40.66
151634 ncm-et-3 2021-09-17 15:03 01:15:44 1966007 500 425 1 74 +433.94 +/- 40.08
151633 ncm-et-10 2021-09-17 15:01 01:16:55 1959390 500 426 1 73 +436.43 +/- 40.36
151632 ncm-et-15 2021-09-17 15:00 01:14:39 1959396 500 424 1 75 +431.48 +/- 39.8
151631 ncm-et-9 2021-09-17 15:00 01:15:46 1964322 500 428 1 71 +441.5 +/- 40.95
151630 ncm-et-13 2021-09-17 14:59 01:14:15 1967094 500 429 1 70 +444.09 +/- 41.26
151629 ncm-et-4 2021-09-17 14:58 01:15:34 1956239 500 425 1 74 +433.94 +/- 40.08
151628 ncm-et-3 2021-09-17 13:46 01:16:37 1953894 500 437 1 62 +466.04 +/- 43.97
151627 ncm-et-15 2021-09-17 13:45 01:14:29 1959850 500 441 2 57 +474.93 +/- 45.97
151626 ncm-et-10 2021-09-17 13:44 01:16:32 1953741 500 434 2 64 +454.76 +/- 43.27
151625 ncm-et-9 2021-09-17 13:44 01:15:30 1966309 500 436 0 64 +466.03 +/- 43.18
151624 ncm-et-13 2021-09-17 13:43 01:15:08 1963081 500 417 1 82 +415.05 +/- 37.98
151623 ncm-et-4 2021-09-17 13:41 01:16:48 1942011 500 415 3 82 +406.2 +/- 38.05
151622 ncm-et-3 2021-09-17 12:29 01:15:40 1956789 500 428 1 71 +441.5 +/- 40.95
151621 ncm-et-10 2021-09-17 12:29 01:14:47 1962158 500 421 3 76 +419.61 +/- 39.58
151620 ncm-et-15 2021-09-17 12:28 01:15:44 1958023 500 411 0 89 +404.05 +/- 36.31
151619 ncm-et-9 2021-09-17 12:28 01:15:23 1962002 500 428 0 72 +444.08 +/- 40.59
151618 ncm-et-13 2021-09-17 12:28 01:15:09 1962156 500 428 1 71 +441.5 +/- 40.95
151617 ncm-et-4 2021-09-17 12:26 01:14:19 1955885 500 434 0 66 +460.32 +/- 42.48
151616 ncm-et-3 2021-09-17 11:12 01:17:02 1958318 500 438 2 60 +466.04 +/- 44.75
151615 ncm-et-13 2021-09-17 11:12 01:15:21 1960767 500 435 1 64 +460.32 +/- 43.24
151614 ncm-et-15 2021-09-17 11:12 01:16:18 1967693 500 427 1 72 +438.95 +/- 40.66
151613 ncm-et-4 2021-09-17 11:12 01:13:26 1963246 500 429 2 69 +441.5 +/- 41.61
151612 ncm-et-10 2021-09-17 11:12 01:16:31 1957097 500 428 1 71 +441.5 +/- 40.95
151611 ncm-et-9 2021-09-17 11:12 01:15:31 1968623 500 439 1 60 +471.92 +/- 44.73

Commit

Commit ID 5b47b4e6c04719e66559efe91e505569e0f7aafa
Author xoto10
Date 2021-09-17 06:14:36 UTC
Increase optimumTime by 10% STC 10+0.1 : LLR: 2.94 (-2.94,2.94) <-0.50,2.50> Total: 47032 W: 12078 L: 11841 D: 23113 Ptnml(0-2): 159, 5098, 12746, 5373, 140 https://tests.stockfishchess.org/tests/view/613f9df1f29dda16fcca8731 LTC 60+0.6 : LLR: 2.95 (-2.94,2.94) <0.50,3.50> Total: 66248 W: 16631 L: 16301 D: 33316 Ptnml(0-2): 44, 6560, 19578, 6906, 36 https://tests.stockfishchess.org/tests/view/6140603d7315e7c73204a4c1 Non-regression tests with other time control styles: Moves/Time 40/10+0 : LLR: 2.93 (-2.94,2.94) <-2.50,0.50> Total: 51640 W: 13350 L: 13254 D: 25036 Ptnml(0-2): 183, 5770, 13797, 5908, 162 https://tests.stockfishchess.org/tests/view/6141592b7315e7c73204a599 TCEC Style 10+0.01 : LLR: 2.94 (-2.94,2.94) <-2.50,0.50> Total: 20592 W: 5300 L: 5157 D: 10135 Ptnml(0-2): 81, 2240, 5544, 2317, 114 https://tests.stockfishchess.org/tests/view/61425bb27315e7c73204a6a2 Sudden death 15+0 : LLR: 2.94 (-2.94,2.94) <-2.50,0.50> Total: 127104 W: 32728 L: 32741 D: 61635 Ptnml(0-2): 735, 13973, 34149, 13960, 735 https://tests.stockfishchess.org/tests/view/614256a77315e7c73204a699 The first 3 tests were run with an initial version of the code, which was then modified to make the amount of extra time dependent on the size of increment. No increment gives no extra time, and the extra time given increases until an increment of 1% or more of remaining time gives 10% extra thinking time. closes https://github.com/official-stockfish/Stockfish/pull/3702 Bench 6658747
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