Dev Builds » 20200629-1802

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 08:22:10 1959459 3274 2103 52 1119 +255.56 +/- 10.1
ncm-et-4 08:25:39 1968300 3358 2143 48 1167 +254.09 +/- 9.88
ncm-et-9 08:25:10 1969387 3346 2103 54 1189 +247.62 +/- 9.79
ncm-et-10 08:27:03 1962960 3360 2181 51 1128 +259.87 +/- 10.07
ncm-et-13 08:25:12 1962765 3320 2029 56 1235 +237.73 +/- 9.58
ncm-et-15 08:27:58 1964888 3342 2110 54 1178 +249.2 +/- 9.84
20000 12669 315 7016 +250.6 +/- 4.03

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
133274 ncm-et-3 2020-06-30 06:21 00:43:21 1955881 274 181 4 89 +266.96 +/- 36.14
133273 ncm-et-13 2020-06-30 06:16 00:48:18 1964301 320 197 7 116 +237.45 +/- 31.56
133272 ncm-et-15 2020-06-30 06:13 00:51:41 1970182 342 219 4 119 +256.82 +/- 31.04
133271 ncm-et-9 2020-06-30 06:12 00:53:08 1967089 346 213 7 126 +238.32 +/- 30.24
133270 ncm-et-4 2020-06-30 06:10 00:54:41 1965848 358 241 1 116 +281.93 +/- 31.31
133269 ncm-et-10 2020-06-30 06:10 00:54:59 1965388 360 237 6 117 +264.4 +/- 31.5
133268 ncm-et-3 2020-06-30 05:03 01:17:15 1960155 500 312 7 181 +246.3 +/- 25.1
133267 ncm-et-13 2020-06-30 04:59 01:15:59 1960768 500 297 10 193 +227.04 +/- 24.3
133266 ncm-et-15 2020-06-30 04:57 01:15:03 1966926 500 301 5 194 +236.51 +/- 24.06
133265 ncm-et-4 2020-06-30 04:56 01:13:14 1966782 500 315 12 173 +244.1 +/- 25.87
133264 ncm-et-9 2020-06-30 04:55 01:15:53 1972183 500 303 9 188 +234.38 +/- 24.64
133263 ncm-et-10 2020-06-30 04:53 01:15:59 1959705 500 323 5 172 +261.07 +/- 25.75
133262 ncm-et-3 2020-06-30 03:46 01:16:04 1961842 500 321 11 168 +251.89 +/- 26.27
133261 ncm-et-13 2020-06-30 03:43 01:15:31 1965534 500 301 7 192 +234.38 +/- 24.28
133260 ncm-et-15 2020-06-30 03:41 01:14:56 1963850 500 339 9 152 +275.45 +/- 27.67
133259 ncm-et-4 2020-06-30 03:39 01:15:10 1972963 500 312 2 186 +251.89 +/- 24.5
133258 ncm-et-9 2020-06-30 03:38 01:15:39 1969724 500 321 10 169 +253.02 +/- 26.16
133257 ncm-et-10 2020-06-30 03:35 01:16:35 1958055 500 326 8 166 +261.07 +/- 26.36
133256 ncm-et-3 2020-06-30 02:27 01:17:57 1962302 500 328 5 167 +266.97 +/- 26.17
133255 ncm-et-13 2020-06-30 02:26 01:16:13 1962611 500 309 4 187 +246.3 +/- 24.52
133254 ncm-et-15 2020-06-30 02:24 01:16:08 1970790 500 314 6 180 +249.64 +/- 25.14
133253 ncm-et-4 2020-06-30 02:22 01:16:48 1971118 500 316 8 176 +249.64 +/- 25.53
133252 ncm-et-9 2020-06-30 02:21 01:16:14 1968008 500 316 9 175 +248.53 +/- 25.64
133251 ncm-et-10 2020-06-30 02:19 01:15:14 1962470 500 319 8 173 +253.02 +/- 25.77
133250 ncm-et-3 2020-06-30 01:10 01:15:43 1962456 500 332 5 163 +271.78 +/- 26.53
133249 ncm-et-13 2020-06-30 01:08 01:16:13 1960309 500 296 7 197 +229.12 +/- 23.92
133248 ncm-et-15 2020-06-30 01:06 01:17:00 1964148 500 311 8 181 +244.1 +/- 25.14
133247 ncm-et-9 2020-06-30 01:06 01:13:59 1971105 500 311 9 180 +243.0 +/- 25.24
133246 ncm-et-4 2020-06-30 01:05 01:15:56 1966617 500 323 5 172 +261.07 +/- 25.75
133245 ncm-et-10 2020-06-30 01:03 01:14:50 1960476 500 328 4 168 +268.17 +/- 26.05
133244 ncm-et-3 2020-06-29 23:54 01:15:06 1962459 500 301 6 193 +235.45 +/- 24.17
133243 ncm-et-13 2020-06-29 23:50 01:16:52 1961841 500 317 7 176 +251.89 +/- 25.5
133242 ncm-et-9 2020-06-29 23:49 01:15:42 1968657 500 321 6 173 +257.59 +/- 25.71
133241 ncm-et-4 2020-06-29 23:48 01:15:31 1970015 500 315 10 175 +246.3 +/- 25.67
133240 ncm-et-10 2020-06-29 23:48 01:14:08 1968015 500 315 13 172 +243.0 +/- 25.97
133239 ncm-et-15 2020-06-29 23:47 01:17:49 1958623 500 304 12 184 +232.26 +/- 25.02
133238 ncm-et-3 2020-06-29 22:36 01:16:44 1951124 500 328 14 158 +256.44 +/- 27.18
133237 ncm-et-13 2020-06-29 22:33 01:16:06 1963997 500 312 14 174 +238.66 +/- 25.83
133236 ncm-et-9 2020-06-29 22:33 01:14:35 1968946 500 318 4 178 +256.44 +/- 25.22
133235 ncm-et-4 2020-06-29 22:33 01:14:19 1964763 500 321 10 169 +253.02 +/- 26.16
133234 ncm-et-10 2020-06-29 22:31 01:15:18 1966617 500 333 7 160 +270.57 +/- 26.87
133233 ncm-et-15 2020-06-29 22:30 01:15:21 1959703 500 322 10 168 +254.16 +/- 26.24

Commit

Commit ID 69d3be42a112645a9e599df615f730d61a5dca8c
Author Stefan Geschwentner
Date 2020-06-29 18:02:58 UTC
Tweak single queen endgame scaling. Increase scaling factor for each minor of the opponent side of the queen. STC: LLR: 2.94 (-2.94,2.94) {-0.50,1.50} Total: 14528 W: 2860 L: 2653 D: 9015 Ptnml(0-2): 217, 1632, 3408, 1741, 266 https://tests.stockfishchess.org/tests/view/5ef98384020eec13834a96a0 LTC: LLR: 2.95 (-2.94,2.94) {0.25,1.75} Total: 34584 W: 4371 L: 4111 D: 26102 Ptnml(0-2): 205, 3080, 10501, 3262, 244 https://tests.stockfishchess.org/tests/view/5ef99972020eec13834a96c9 closes https://github.com/official-stockfish/Stockfish/pull/2782 Bench: 4523573
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