Dev Builds » 20210723-1653

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 08:19:03 1961315 3338 2793 7 538 +418.04 +/- 14.68
ncm-et-4 08:19:37 1963182 3355 2816 9 530 +420.38 +/- 14.8
ncm-et-9 08:19:21 1960810 3322 2771 7 544 +415.08 +/- 14.59
ncm-et-10 08:19:13 1954635 3319 2814 5 500 +431.9 +/- 15.23
ncm-et-13 08:19:51 1960541 3331 2813 7 511 +427.12 +/- 15.07
ncm-et-15 08:19:28 1954304 3335 2812 5 518 +426.27 +/- 14.96
20000 16819 40 3141 +423.04 +/- 6.07

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
150176 ncm-et-13 2021-07-24 09:31 00:48:30 1960158 331 274 0 57 +410.35 +/- 45.69
150175 ncm-et-9 2021-07-24 09:31 00:48:07 1968476 322 279 0 43 +458.15 +/- 53.1
150174 ncm-et-10 2021-07-24 09:30 00:48:43 1956335 319 263 1 55 +403.32 +/- 46.66
150173 ncm-et-15 2021-07-24 09:28 00:50:38 1957103 335 283 2 50 +422.87 +/- 49.15
150172 ncm-et-3 2021-07-24 09:27 00:52:02 1958320 338 286 0 52 +431.67 +/- 47.99
150171 ncm-et-4 2021-07-24 09:26 00:52:53 1967574 355 302 1 52 +433.8 +/- 48.13
150170 ncm-et-9 2021-07-24 08:14 01:16:01 1959390 500 410 2 88 +397.72 +/- 36.65
150169 ncm-et-13 2021-07-24 08:13 01:16:45 1957570 500 429 0 71 +446.7 +/- 40.89
150168 ncm-et-15 2021-07-24 08:13 01:14:21 1946310 500 419 0 81 +421.93 +/- 38.15
150167 ncm-et-10 2021-07-24 08:13 01:16:14 1956044 500 417 0 83 +417.31 +/- 37.67
150166 ncm-et-4 2021-07-24 08:12 01:13:52 1969570 500 426 1 73 +436.43 +/- 40.36
150165 ncm-et-3 2021-07-24 08:11 01:14:40 1959701 500 405 0 95 +391.57 +/- 35.09
150164 ncm-et-10 2021-07-24 06:59 01:13:43 1949943 500 423 2 75 +426.65 +/- 39.83
150163 ncm-et-9 2021-07-24 06:59 01:14:47 1963287 500 422 2 76 +424.28 +/- 39.56
150162 ncm-et-15 2021-07-24 06:58 01:14:07 1961849 500 413 1 86 +406.2 +/- 37.04
150161 ncm-et-3 2021-07-24 06:58 01:12:28 1962613 500 420 0 80 +424.27 +/- 38.4
150160 ncm-et-13 2021-07-24 06:58 01:14:44 1962921 500 429 1 70 +444.09 +/- 41.26
150159 ncm-et-4 2021-07-24 06:56 01:15:29 1957634 500 414 3 83 +404.05 +/- 37.81
150158 ncm-et-9 2021-07-24 05:43 01:14:54 1958019 500 403 1 96 +385.59 +/- 34.96
150157 ncm-et-3 2021-07-24 05:43 01:14:50 1961116 500 425 3 72 +429.05 +/- 40.7
150156 ncm-et-10 2021-07-24 05:43 01:15:19 1958479 500 425 0 75 +436.43 +/- 39.73
150155 ncm-et-13 2021-07-24 05:42 01:15:34 1957876 500 421 2 77 +421.93 +/- 39.29
150154 ncm-et-15 2021-07-24 05:42 01:16:11 1944048 500 431 1 68 +449.35 +/- 41.89
150153 ncm-et-4 2021-07-24 05:39 01:16:05 1956035 500 425 0 75 +436.43 +/- 39.73
150152 ncm-et-3 2021-07-24 04:27 01:14:53 1962004 500 419 1 80 +419.61 +/- 38.47
150151 ncm-et-9 2021-07-24 04:27 01:15:03 1957704 500 420 0 80 +424.27 +/- 38.4
150150 ncm-et-15 2021-07-24 04:27 01:14:01 1955692 500 428 1 71 +441.5 +/- 40.95
150149 ncm-et-10 2021-07-24 04:27 01:15:18 1945900 500 421 1 78 +424.28 +/- 38.99
150148 ncm-et-13 2021-07-24 04:27 01:14:17 1963383 500 422 0 78 +429.05 +/- 38.92
150147 ncm-et-4 2021-07-24 04:25 01:13:11 1960629 500 420 0 80 +424.27 +/- 38.4
150146 ncm-et-15 2021-07-24 03:12 01:14:46 1958579 500 409 0 91 +399.81 +/- 35.89
150145 ncm-et-10 2021-07-24 03:11 01:14:52 1953738 500 432 0 68 +454.76 +/- 41.82
150144 ncm-et-9 2021-07-24 03:10 01:16:18 1958483 500 426 2 72 +433.94 +/- 40.69
150143 ncm-et-4 2021-07-24 03:10 01:14:13 1962030 500 415 3 82 +406.2 +/- 38.05
150142 ncm-et-13 2021-07-24 03:10 01:16:15 1956800 500 417 1 82 +415.05 +/- 37.98
150141 ncm-et-3 2021-07-24 03:10 01:16:45 1956944 500 423 0 77 +431.48 +/- 39.18
150140 ncm-et-3 2021-07-24 01:56 01:13:25 1968509 500 415 3 82 +406.2 +/- 38.05
150139 ncm-et-10 2021-07-24 01:56 01:15:04 1962008 500 433 1 66 +454.76 +/- 42.55
150138 ncm-et-4 2021-07-24 01:56 01:13:54 1968805 500 414 1 85 +408.38 +/- 37.27
150137 ncm-et-9 2021-07-24 01:56 01:14:11 1960314 500 411 0 89 +404.05 +/- 36.31
150136 ncm-et-13 2021-07-24 01:56 01:13:46 1965085 500 421 3 76 +419.61 +/- 39.58
150135 ncm-et-15 2021-07-24 01:56 01:15:24 1956549 500 429 0 71 +446.7 +/- 40.89

Commit

Commit ID 760b7462bc89e4202ef6b43dc052b4364167ed4d
Author pb00067
Date 2021-07-23 16:53:03 UTC
Simplify lowply-history scoring logic STC: https://tests.stockfishchess.org/tests/view/60eee559d1189bed71812b16 LLR: 2.97 (-2.94,2.94) <-2.50,0.50> Total: 33976 W: 2523 L: 2431 D: 29022 Ptnml(0-2): 66, 2030, 12730, 2070, 92 LTC: https://tests.stockfishchess.org/tests/view/60eefa12d1189bed71812b24 LLR: 2.93 (-2.94,2.94) <-2.50,0.50> Total: 107240 W: 3053 L: 3046 D: 101141 Ptnml(0-2): 56, 2668, 48154, 2697, 45 closes https://github.com/official-stockfish/Stockfish/pull/3616 bench: 5199177
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