Dev Builds » 20210822-0705

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 08:20:37 1954737 3306 2768 11 527 +417.25 +/- 14.84
ncm-et-4 08:20:52 1964412 3367 2837 4 526 +425.94 +/- 14.84
ncm-et-9 08:20:31 1961741 3339 2836 7 496 +433.03 +/- 15.3
ncm-et-10 08:20:34 1956313 3335 2851 8 476 +439.55 +/- 15.62
ncm-et-13 08:20:42 1960625 3339 2778 8 553 +412.34 +/- 14.48
ncm-et-15 08:20:28 1955265 3314 2776 7 531 +419.09 +/- 14.78
20000 16846 45 3109 +424.34 +/- 6.1

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
151064 ncm-et-3 2021-08-23 14:43 00:46:39 1940118 306 256 1 49 +416.56 +/- 49.6
151063 ncm-et-15 2021-08-23 14:42 00:47:40 1939650 314 264 1 49 +421.44 +/- 49.61
151062 ncm-et-10 2021-08-23 14:39 00:50:43 1954673 335 297 1 37 +483.59 +/- 57.69
151061 ncm-et-9 2021-08-23 14:39 00:51:24 1964303 339 286 0 53 +428.64 +/- 47.51
151060 ncm-et-13 2021-08-23 14:38 00:51:35 1958803 339 277 1 61 +395.81 +/- 44.2
151059 ncm-et-4 2021-08-23 14:36 00:54:38 1968932 367 302 0 65 +405.0 +/- 42.67
151058 ncm-et-3 2021-08-23 13:26 01:16:10 1956494 500 419 2 79 +417.32 +/- 38.77
151057 ncm-et-15 2021-08-23 13:26 01:16:06 1955581 500 418 0 82 +419.61 +/- 37.91
151056 ncm-et-10 2021-08-23 13:25 01:13:14 1964002 500 418 3 79 +412.8 +/- 38.79
151055 ncm-et-13 2021-08-23 13:24 01:13:49 1968788 500 424 2 74 +429.05 +/- 40.11
151054 ncm-et-9 2021-08-23 13:23 01:15:05 1961694 500 415 2 83 +408.38 +/- 37.78
151053 ncm-et-4 2021-08-23 13:21 01:14:22 1971414 500 417 0 83 +417.31 +/- 37.67
151052 ncm-et-3 2021-08-23 12:11 01:14:40 1966046 500 420 1 79 +421.93 +/- 38.73
151051 ncm-et-15 2021-08-23 12:11 01:14:01 1961997 500 404 2 94 +385.59 +/- 35.4
151050 ncm-et-10 2021-08-23 12:09 01:15:32 1955419 500 426 0 74 +438.95 +/- 40.01
151049 ncm-et-13 2021-08-23 12:08 01:15:06 1961534 500 411 1 88 +401.92 +/- 36.6
151048 ncm-et-9 2021-08-23 12:07 01:15:21 1959238 500 421 0 79 +426.65 +/- 38.66
151047 ncm-et-4 2021-08-23 12:05 01:14:33 1959244 500 423 2 75 +426.65 +/- 39.83
151046 ncm-et-3 2021-08-23 10:55 01:15:13 1964781 500 415 2 83 +408.38 +/- 37.78
151045 ncm-et-15 2021-08-23 10:54 01:16:12 1959100 500 424 2 74 +429.05 +/- 40.11
151044 ncm-et-10 2021-08-23 10:53 01:15:09 1947692 500 419 0 81 +421.93 +/- 38.15
151043 ncm-et-13 2021-08-23 10:52 01:15:29 1946545 500 425 1 74 +433.94 +/- 40.08
151042 ncm-et-9 2021-08-23 10:51 01:15:17 1961421 500 425 2 73 +431.48 +/- 40.4
151041 ncm-et-4 2021-08-23 10:50 01:14:25 1966164 500 423 0 77 +431.48 +/- 39.18
151040 ncm-et-3 2021-08-23 09:38 01:16:11 1951618 500 427 3 70 +433.94 +/- 41.3
151039 ncm-et-15 2021-08-23 09:38 01:15:19 1952497 500 425 0 75 +436.43 +/- 39.73
151038 ncm-et-10 2021-08-23 09:38 01:14:42 1964163 500 429 1 70 +444.09 +/- 41.26
151037 ncm-et-13 2021-08-23 09:38 01:13:56 1968009 500 409 0 91 +399.81 +/- 35.89
151036 ncm-et-9 2021-08-23 09:35 01:15:18 1961995 500 436 2 62 +460.32 +/- 43.99
151035 ncm-et-4 2021-08-23 09:34 01:15:13 1953287 500 433 1 66 +454.76 +/- 42.55
151034 ncm-et-3 2021-08-23 08:22 01:15:42 1945632 500 416 1 83 +412.8 +/- 37.74
151033 ncm-et-10 2021-08-23 08:22 01:15:27 1953444 500 433 2 65 +452.04 +/- 42.92
151032 ncm-et-15 2021-08-23 08:21 01:16:13 1956038 500 414 2 84 +406.2 +/- 37.55
151031 ncm-et-13 2021-08-23 08:21 01:16:01 1957431 500 412 2 86 +401.92 +/- 37.09
151030 ncm-et-9 2021-08-23 08:21 01:13:50 1961232 500 421 1 78 +424.28 +/- 38.99
151029 ncm-et-4 2021-08-23 08:20 01:13:51 1963378 500 418 1 81 +417.32 +/- 38.22
151028 ncm-et-15 2021-08-23 07:06 01:14:57 1961995 500 427 0 73 +441.5 +/- 40.29
151027 ncm-et-9 2021-08-23 07:06 01:14:16 1962308 500 432 0 68 +454.76 +/- 41.82
151026 ncm-et-10 2021-08-23 07:06 01:15:47 1954804 500 429 1 70 +444.09 +/- 41.26
151025 ncm-et-13 2021-08-23 07:06 01:14:46 1963270 500 420 1 79 +421.93 +/- 38.73
151024 ncm-et-4 2021-08-23 07:06 01:13:50 1968467 500 421 0 79 +426.65 +/- 38.66
151023 ncm-et-3 2021-08-23 07:05 01:16:02 1958473 500 415 1 84 +410.58 +/- 37.5

Commit

Commit ID 939ffe454d28556ee7653af4d3322b8c8ba470be
Author candirufish
Date 2021-08-22 07:05:53 UTC
do more LMR extensions for PV nodes LMR Pv and depth 6 Extension tweak: LTC: LLR: 2.93 (-2.94,2.94) <0.50,3.50> Total: 52488 W: 1542 L: 1394 D: 49552 Ptnml(0-2): 18, 1253, 23552, 1405, 16 https://tests.stockfishchess.org/tests/view/611e49c34977aa1525c9caa7 STC: LLR: 2.94 (-2.94,2.94) <-0.50,2.50> Total: 76216 W: 6000 L: 5784 D: 64432 Ptnml(0-2): 204, 4745, 28006, 4937, 216 https://tests.stockfishchess.org/tests/view/611e0e254977aa1525c9ca89 closes https://github.com/official-stockfish/Stockfish/pull/3666 Bench: 5046381
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