Dev Builds » 20130810-1511

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 05:58:50 1991439 2435 73 1404 958 -213.16 +/- 10.92
ncm-et-4 05:58:52 1975906 2408 76 1419 913 -218.72 +/- 11.22
ncm-et-5 01:52:22 2024264 759 30 440 289 -210.0 +/- 20.01
ncm-et-6 01:52:11 2024673 771 21 449 301 -217.41 +/- 19.5
ncm-et-7 01:52:07 2010581 776 22 458 296 -220.81 +/- 19.7
ncm-et-9 05:58:51 1988151 2438 74 1432 932 -218.36 +/- 11.09
ncm-et-10 05:58:57 1983468 2451 94 1435 922 -213.42 +/- 11.19
ncm-et-11 01:52:10 2020103 764 31 456 277 -217.99 +/- 20.48
ncm-et-12 01:52:23 2005742 771 17 441 313 -214.82 +/- 19.02
ncm-et-13 05:58:54 1991903 2440 84 1399 957 -209.38 +/- 10.95
ncm-et-14 01:52:19 2018476 771 25 444 302 -211.6 +/- 19.51
ncm-et-15 05:58:57 1989458 2437 76 1342 1019 -200.0 +/- 10.56
ncm-et-16 01:52:09 2020185 779 23 449 307 -213.28 +/- 19.32
20000 646 11568 7786 -212.91 +/- 3.84

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
103578 ncm-et-4 2019-11-12 10:51 00:21:48 1972679 147 4 96 47 -255.21 +/- 50.36
103577 ncm-et-15 2019-11-12 10:50 00:23:15 1969110 156 3 98 55 -245.74 +/- 46.14
103576 ncm-et-13 2019-11-12 10:47 00:25:28 1974514 167 6 90 71 -192.24 +/- 40.34
103575 ncm-et-9 2019-11-12 10:46 00:26:25 1971741 181 3 94 84 -192.13 +/- 36.27
103574 ncm-et-3 2019-11-12 10:46 00:26:47 1974670 173 4 96 73 -205.9 +/- 39.54
103573 ncm-et-10 2019-11-12 10:46 00:26:48 1964464 176 7 98 71 -198.84 +/- 40.53
103572 ncm-et-4 2019-11-12 09:35 01:14:58 1972977 500 18 288 194 -209.91 +/- 24.41
103571 ncm-et-15 2019-11-12 09:33 01:15:50 1971109 500 23 279 198 -196.45 +/- 24.2
103570 ncm-et-13 2019-11-12 09:32 01:14:03 1982197 500 21 276 203 -195.51 +/- 23.85
103569 ncm-et-9 2019-11-12 09:32 01:13:15 1964949 500 15 316 169 -241.91 +/- 26.25
103568 ncm-et-10 2019-11-12 09:32 01:13:11 1968776 500 13 296 191 -222.92 +/- 24.53
103567 ncm-et-3 2019-11-12 09:31 01:13:33 1966615 500 14 305 181 -231.21 +/- 25.28
103566 ncm-et-4 2019-11-12 08:21 01:12:22 1969397 500 9 292 199 -222.92 +/- 23.85
103565 ncm-et-13 2019-11-12 08:19 01:11:59 1974203 500 15 284 201 -208.93 +/- 23.88
103564 ncm-et-3 2019-11-12 08:19 01:11:41 1980363 500 14 269 217 -195.51 +/- 22.82
103563 ncm-et-15 2019-11-12 08:17 01:14:09 1981462 500 12 268 220 -196.45 +/- 22.58
103562 ncm-et-9 2019-11-12 08:17 01:13:46 1971877 500 17 270 213 -193.64 +/- 23.14
103561 ncm-et-10 2019-11-12 08:16 01:14:25 1965428 500 20 291 189 -210.89 +/- 24.78
103560 ncm-et-15 2019-11-12 07:03 01:13:18 1974047 500 17 296 187 -218.86 +/- 24.89
103559 ncm-et-3 2019-11-12 07:03 01:14:41 1976010 500 24 277 199 -193.64 +/- 24.15
103558 ncm-et-4 2019-11-12 07:03 01:17:24 1937545 500 16 280 204 -204.07 +/- 23.7
103557 ncm-et-10 2019-11-12 07:03 01:12:16 1960797 500 22 301 177 -218.86 +/- 25.67
103556 ncm-et-9 2019-11-12 07:03 01:13:09 1973118 500 12 294 194 -221.9 +/- 24.29
103555 ncm-et-13 2019-11-12 07:03 01:15:14 1970182 500 16 275 209 -199.29 +/- 23.37
33421 ncm-et-9 2018-05-20 17:16 00:37:52 2021488 257 4 158 95 -240.4 +/- 34.76
33420 ncm-et-5 2018-05-20 17:16 00:38:16 2024919 259 16 151 92 -200.83 +/- 35.71
33419 ncm-et-4 2018-05-20 17:16 00:38:26 2022311 261 13 161 87 -223.46 +/- 36.77
33418 ncm-et-3 2018-05-20 17:15 00:38:50 2025081 262 4 167 91 -253.1 +/- 35.64
33417 ncm-et-7 2018-05-20 17:15 00:38:54 1997388 276 9 158 109 -209.83 +/- 32.57
33416 ncm-et-10 2018-05-20 17:15 00:39:11 2020347 275 13 157 105 -201.98 +/- 33.37
33415 ncm-et-11 2018-05-20 17:15 00:39:00 2020184 264 13 157 94 -212.59 +/- 35.34
33414 ncm-et-13 2018-05-20 17:15 00:39:16 2024753 273 10 172 91 -237.27 +/- 35.94
33413 ncm-et-12 2018-05-20 17:15 00:39:33 1991300 271 6 162 103 -227.89 +/- 33.44
33412 ncm-et-6 2018-05-20 17:14 00:39:48 2025735 271 10 150 111 -198.63 +/- 32.26
33411 ncm-et-14 2018-05-20 17:14 00:40:24 2018395 271 8 147 116 -196.88 +/- 31.35
33410 ncm-et-15 2018-05-20 17:14 00:40:31 2020185 281 6 142 133 -183.51 +/- 28.8
33409 ncm-et-16 2018-05-20 17:14 00:40:38 2020349 279 7 155 117 -205.26 +/- 31.19
33408 ncm-et-3 2018-05-20 16:01 01:13:18 2025899 500 13 290 197 -216.85 +/- 24.1
33407 ncm-et-6 2018-05-20 16:01 01:12:23 2023611 500 11 299 190 -228.08 +/- 24.55
33406 ncm-et-10 2018-05-20 16:01 01:13:06 2020999 500 19 292 189 -212.86 +/- 24.77
33405 ncm-et-16 2018-05-20 16:01 01:11:31 2020022 500 16 294 190 -217.85 +/- 24.66
33404 ncm-et-14 2018-05-20 16:01 01:11:55 2018558 500 17 297 186 -219.87 +/- 24.96
33403 ncm-et-7 2018-05-20 16:01 01:13:13 2023775 500 13 300 187 -227.04 +/- 24.82
33402 ncm-et-4 2018-05-20 16:01 01:13:54 1980529 500 16 302 182 -226.0 +/- 25.24
33401 ncm-et-9 2018-05-20 16:01 01:14:24 2025735 500 23 300 177 -216.85 +/- 25.68
33400 ncm-et-15 2018-05-20 16:01 01:11:54 2020837 500 15 259 226 -185.33 +/- 22.3
33399 ncm-et-13 2018-05-20 16:01 01:12:54 2025572 500 16 302 182 -226.0 +/- 25.24
33398 ncm-et-11 2018-05-20 16:01 01:13:10 2020022 500 18 299 183 -220.88 +/- 25.19
33397 ncm-et-12 2018-05-20 16:01 01:12:50 2020184 500 11 279 210 -207.95 +/- 23.18
33396 ncm-et-5 2018-05-20 16:01 01:14:06 2023610 500 14 289 197 -214.85 +/- 24.13

Commit

Commit ID 94a3608ab9f2334784ac3b111dc79c9eb5e33ba3
Author Marco Costalba
Date 2013-08-10 15:11:13 UTC
Fix GrainSize rounding error The rounding formula is different between positive and negative scores due to the GrainSize/2 term that is asymmetric. So use truncation instead of rounding. This guarantees that evaluation is rounded to zero in the same way for both positive and negative scores. Found with position's flip bench: 4634244
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