Dev Builds » 20200613-0510

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 08:24:46 1962106 3337 2127 50 1160 +253.26 +/- 9.91
ncm-et-4 08:22:15 1964574 3340 2167 54 1119 +259.12 +/- 10.11
ncm-et-9 08:22:35 1966509 3324 2115 53 1156 +252.08 +/- 9.93
ncm-et-10 08:28:53 1960305 3327 2106 55 1166 +249.91 +/- 9.89
ncm-et-13 08:23:48 1962941 3335 2200 42 1093 +267.61 +/- 10.22
ncm-et-15 08:27:22 1969192 3337 2111 57 1169 +249.38 +/- 9.88
20000 12826 311 6863 +255.16 +/- 4.08

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
132518 ncm-et-3 2020-06-14 02:54 00:50:01 1962149 337 198 9 130 +220.29 +/- 29.77
132517 ncm-et-15 2020-06-14 02:54 00:50:11 1973753 337 226 7 104 +269.28 +/- 33.54
132516 ncm-et-4 2020-06-14 02:54 00:50:08 1973281 340 221 5 114 +260.66 +/- 31.84
132515 ncm-et-9 2020-06-14 02:54 00:50:15 1956189 324 204 5 115 +248.64 +/- 31.62
132514 ncm-et-10 2020-06-14 02:54 00:50:15 1955567 327 212 6 109 +257.58 +/- 32.64
132513 ncm-et-13 2020-06-14 02:54 00:50:23 1961074 335 202 5 128 +234.41 +/- 29.81
132470 ncm-et-10 2020-06-13 17:12 01:14:01 1969087 500 338 9 153 +274.22 +/- 27.57
132469 ncm-et-15 2020-06-13 17:07 01:16:48 1968624 500 306 13 181 +233.32 +/- 25.26
132468 ncm-et-3 2020-06-13 17:04 01:17:10 1960921 500 318 6 176 +254.16 +/- 25.46
132467 ncm-et-13 2020-06-13 17:04 01:16:33 1965534 500 340 4 156 +282.94 +/- 27.13
132466 ncm-et-9 2020-06-13 17:03 01:15:47 1970640 500 312 13 175 +239.74 +/- 25.73
132465 ncm-et-4 2020-06-13 17:03 01:15:51 1969714 500 318 12 170 +247.41 +/- 26.12
132464 ncm-et-10 2020-06-13 15:54 01:16:23 1956335 500 315 10 175 +246.3 +/- 25.67
132463 ncm-et-15 2020-06-13 15:50 01:16:15 1961389 500 305 7 188 +238.66 +/- 24.57
132462 ncm-et-3 2020-06-13 15:49 01:14:45 1962921 500 334 8 158 +270.57 +/- 27.08
132461 ncm-et-4 2020-06-13 15:48 01:14:40 1969106 500 325 8 167 +259.91 +/- 26.28
132460 ncm-et-13 2020-06-13 15:47 01:16:20 1961998 500 336 9 155 +271.78 +/- 27.38
132459 ncm-et-9 2020-06-13 15:47 01:15:42 1970682 500 301 7 192 +234.38 +/- 24.28
132458 ncm-et-10 2020-06-13 14:35 01:18:12 1956941 500 298 5 197 +233.32 +/- 23.84
132457 ncm-et-15 2020-06-13 14:34 01:15:01 1970947 500 322 5 173 +259.91 +/- 25.67
132456 ncm-et-3 2020-06-13 14:31 01:16:15 1963073 500 318 6 176 +254.16 +/- 25.46
132455 ncm-et-13 2020-06-13 14:31 01:14:44 1964765 500 329 5 166 +268.17 +/- 26.26
132454 ncm-et-4 2020-06-13 14:30 01:16:31 1938824 500 336 8 156 +273.0 +/- 27.26
132453 ncm-et-9 2020-06-13 14:29 01:16:31 1962918 500 315 11 174 +245.2 +/- 25.77
132452 ncm-et-15 2020-06-13 13:16 01:16:30 1974826 500 308 10 182 +238.66 +/- 25.12
132451 ncm-et-10 2020-06-13 13:16 01:17:43 1957566 500 312 11 177 +241.91 +/- 25.53
132450 ncm-et-3 2020-06-13 13:15 01:14:50 1960310 500 320 8 172 +254.16 +/- 25.86
132449 ncm-et-4 2020-06-13 13:14 01:14:40 1963839 500 328 10 162 +261.07 +/- 26.76
132448 ncm-et-13 2020-06-13 13:14 01:16:20 1961381 500 339 4 157 +281.68 +/- 27.03
132447 ncm-et-9 2020-06-13 13:13 01:14:57 1970797 500 333 7 160 +270.57 +/- 26.87
132446 ncm-et-10 2020-06-13 12:01 01:14:09 1965400 500 319 7 174 +254.16 +/- 25.66
132445 ncm-et-15 2020-06-13 11:59 01:15:54 1970027 500 313 10 177 +244.1 +/- 25.51
132444 ncm-et-4 2020-06-13 11:59 01:14:09 1967541 500 312 5 183 +248.53 +/- 24.87
132443 ncm-et-3 2020-06-13 11:58 01:16:45 1962609 500 316 7 177 +250.77 +/- 25.42
132442 ncm-et-9 2020-06-13 11:57 01:15:01 1965846 500 331 5 164 +270.57 +/- 26.44
132441 ncm-et-13 2020-06-13 11:57 01:15:39 1963381 500 325 6 169 +262.24 +/- 26.04
132440 ncm-et-13 2020-06-13 10:42 01:13:49 1962455 500 329 9 162 +263.42 +/- 26.74
132439 ncm-et-10 2020-06-13 10:42 01:18:10 1961245 500 312 7 181 +246.3 +/- 25.1
132438 ncm-et-15 2020-06-13 10:42 01:16:43 1964778 500 331 5 164 +270.57 +/- 26.44
132437 ncm-et-4 2020-06-13 10:42 01:16:16 1969718 500 327 6 167 +264.6 +/- 26.21
132436 ncm-et-3 2020-06-13 10:42 01:15:00 1962763 500 323 6 171 +259.91 +/- 25.87
132435 ncm-et-9 2020-06-13 10:41 01:14:22 1968492 500 319 5 176 +256.44 +/- 25.42

Commit

Commit ID 4d657618e956decdd51bceca77c2c5489dfcf6af
Author Joost VandeVondele
Date 2020-06-13 05:10:34 UTC
Quantize eval to multiples of 16 Removes some excess precision, helps searchs. Effectively reintroduces evaluation grain, with a slightly different context. https://github.com/official-stockfish/Stockfish/commit/45dbd9cd0303d0db469670af8ec3598731a4eace passed STC LLR: 2.97 (-2.94,2.94) {-0.50,1.50} Total: 197032 W: 37938 L: 37462 D: 121632 Ptnml(0-2): 3359, 22994, 45446, 23246, 3471 https://tests.stockfishchess.org/tests/view/5ee0c228f29b40b0fc95ae53 passed LTC LLR: 2.94 (-2.94,2.94) {0.25,1.75} Total: 77696 W: 9970 L: 9581 D: 58145 Ptnml(0-2): 530, 7075, 23311, 7340, 592 https://tests.stockfishchess.org/tests/view/5ee21426f29b40b0fc95af43 passed LTC SMP LLR: 2.96 (-2.94,2.94) {0.25,1.75} Total: 64136 W: 7425 L: 7091 D: 49620 Ptnml(0-2): 345, 5416, 20228, 5718, 361 https://tests.stockfishchess.org/tests/view/5ee387bbf29b40b0fc95b04c closes https://github.com/official-stockfish/Stockfish/pull/2733 Bench: 4939103
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