Dev Builds » 20141112-2106

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 06:01:56 1984042 2378 166 687 1525 -77.37 +/- 8.18
ncm-et-4 06:02:00 1966524 2380 169 730 1481 -83.46 +/- 8.39
ncm-et-5 01:46:58 2023044 712 53 201 458 -73.29 +/- 14.95
ncm-et-6 01:46:50 2024509 715 53 223 439 -84.22 +/- 15.51
ncm-et-7 01:47:07 1982681 698 56 199 443 -72.2 +/- 15.31
ncm-et-8 01:47:12 2019859 700 46 198 456 -76.66 +/- 14.84
ncm-et-9 06:01:59 1992340 2378 175 684 1519 -75.53 +/- 8.22
ncm-et-10 06:01:56 1982569 2389 167 715 1507 -81.14 +/- 8.28
ncm-et-11 01:47:04 2018640 710 47 195 468 -73.5 +/- 14.58
ncm-et-12 01:46:58 2013343 719 41 214 464 -85.27 +/- 14.69
ncm-et-13 06:01:59 1990388 2395 178 684 1533 -74.53 +/- 8.18
ncm-et-14 01:47:11 2019126 723 50 217 456 -81.73 +/- 15.05
ncm-et-15 06:02:09 1988666 2398 180 665 1553 -71.25 +/- 8.09
ncm-et-16 01:47:10 2005575 705 57 209 439 -76.1 +/- 15.48
20000 1438 5821 12741 -77.4 +/- 2.84

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
84278 ncm-et-9 2019-06-06 16:15 00:23:20 1985185 152 9 36 107 -62.38 +/- 29.41
84277 ncm-et-3 2019-06-06 16:14 00:24:27 1963842 155 9 40 106 -70.44 +/- 30.02
84276 ncm-et-10 2019-06-06 16:13 00:25:59 1969394 173 15 47 111 -65.01 +/- 30.61
84275 ncm-et-4 2019-06-06 16:12 00:26:40 1907522 162 14 53 95 -85.32 +/- 33.99
84274 ncm-et-13 2019-06-06 16:11 00:27:27 1972039 174 15 55 104 -81.32 +/- 32.33
84273 ncm-et-15 2019-06-06 16:11 00:27:45 1970033 184 14 42 128 -53.28 +/- 27.31
84272 ncm-et-9 2019-06-06 14:58 01:16:28 1982414 500 35 141 324 -74.79 +/- 17.69
84271 ncm-et-4 2019-06-06 14:55 01:15:42 1968528 500 34 149 317 -81.37 +/- 18.01
84270 ncm-et-10 2019-06-06 14:55 01:16:43 1961237 500 43 154 303 -78.44 +/- 18.83
84269 ncm-et-3 2019-06-06 14:54 01:19:01 1957742 500 33 146 321 -79.9 +/- 17.8
84268 ncm-et-13 2019-06-06 14:54 01:16:12 1985552 500 42 142 316 -70.44 +/- 18.19
84267 ncm-et-15 2019-06-06 14:54 01:16:10 1977865 500 35 148 317 -79.9 +/- 18.03
84266 ncm-et-4 2019-06-06 13:40 01:14:18 1963536 500 32 159 309 -90.22 +/- 18.36
84265 ncm-et-9 2019-06-06 13:39 01:18:05 1970809 500 43 138 319 -66.82 +/- 18.05
84264 ncm-et-13 2019-06-06 13:38 01:14:42 1965997 500 38 163 299 -88.74 +/- 18.95
84263 ncm-et-10 2019-06-06 13:38 01:16:02 1957246 500 35 158 307 -87.26 +/- 18.51
84262 ncm-et-15 2019-06-06 13:36 01:16:14 1976696 500 43 140 317 -68.27 +/- 18.15
84261 ncm-et-3 2019-06-06 13:36 01:17:29 1967078 500 40 151 309 -78.44 +/- 18.5
84260 ncm-et-4 2019-06-06 12:21 01:18:03 1909065 500 32 138 330 -74.79 +/- 17.34
84259 ncm-et-9 2019-06-06 12:21 01:16:57 1969882 500 30 151 319 -85.78 +/- 17.84
84258 ncm-et-3 2019-06-06 12:21 01:13:55 1964609 500 30 151 319 -85.78 +/- 17.84
84257 ncm-et-13 2019-06-06 12:21 01:16:35 1969397 500 39 137 324 -68.99 +/- 17.75
84256 ncm-et-10 2019-06-06 12:21 01:15:52 1965542 500 27 148 325 -85.78 +/- 17.48
84255 ncm-et-15 2019-06-06 12:21 01:14:45 1971425 500 36 143 321 -75.52 +/- 17.85
19576 ncm-et-8 2018-04-16 10:23 00:30:14 2020511 200 16 60 124 -77.71 +/- 29.22
19575 ncm-et-7 2018-04-16 10:22 00:30:46 1941262 198 12 60 126 -85.94 +/- 28.46
19574 ncm-et-11 2018-04-16 10:22 00:31:01 2019534 210 13 54 143 -68.71 +/- 25.95
19573 ncm-et-6 2018-04-16 10:22 00:31:08 2026063 215 21 60 134 -63.73 +/- 28.23
19572 ncm-et-15 2018-04-16 10:22 00:31:40 2019371 214 16 68 130 -86.15 +/- 28.64
19571 ncm-et-16 2018-04-16 10:21 00:31:34 1989336 205 19 65 121 -79.31 +/- 30.11
19570 ncm-et-10 2018-04-16 10:21 00:32:12 2020347 216 10 68 138 -95.64 +/- 26.91
19569 ncm-et-5 2018-04-16 10:21 00:32:07 2025900 212 14 54 144 -66.35 +/- 25.95
19568 ncm-et-3 2018-04-16 10:21 00:32:25 2026555 223 22 62 139 -63.0 +/- 27.72
19567 ncm-et-4 2018-04-16 10:20 00:32:38 2022630 218 19 65 134 -74.43 +/- 28.25
19566 ncm-et-12 2018-04-16 10:20 00:32:55 2017420 219 15 73 131 -94.26 +/- 28.58
19565 ncm-et-14 2018-04-16 10:20 00:33:03 2019045 223 11 69 143 -92.49 +/- 26.45
19564 ncm-et-13 2018-04-16 10:20 00:33:05 2024590 221 18 56 147 -60.34 +/- 26.13
19563 ncm-et-9 2018-04-16 10:19 00:33:43 2022630 226 19 72 135 -83.02 +/- 28.34
19562 ncm-et-5 2018-04-16 09:05 01:14:51 2020189 500 39 147 314 -76.25 +/- 18.24
19561 ncm-et-6 2018-04-16 09:05 01:15:42 2022956 500 32 163 305 -93.2 +/- 18.56
19560 ncm-et-7 2018-04-16 09:05 01:16:21 2024100 500 44 139 317 -66.82 +/- 18.16
19559 ncm-et-11 2018-04-16 09:05 01:16:03 2017746 500 34 141 325 -75.52 +/- 17.62
19558 ncm-et-12 2018-04-16 09:05 01:14:03 2009267 500 26 141 333 -81.37 +/- 17.06
19557 ncm-et-13 2018-04-16 09:05 01:13:58 2024754 500 26 131 343 -74.06 +/- 16.57
19556 ncm-et-15 2018-04-16 09:05 01:15:35 2016609 500 36 124 340 -61.79 +/- 16.91
19555 ncm-et-14 2018-04-16 09:05 01:14:08 2019208 500 39 148 313 -76.98 +/- 18.29
19554 ncm-et-3 2018-04-16 09:05 01:14:39 2024426 500 32 137 331 -74.06 +/- 17.29
19553 ncm-et-4 2018-04-16 09:05 01:14:39 2027866 500 38 166 296 -90.97 +/- 19.09
19552 ncm-et-10 2018-04-16 09:05 01:15:08 2021651 500 37 140 323 -72.61 +/- 17.77
19551 ncm-et-16 2018-04-16 09:05 01:15:36 2021815 500 38 144 318 -74.79 +/- 18.03
19550 ncm-et-8 2018-04-16 09:05 01:16:58 2019208 500 30 138 332 -76.25 +/- 17.2
19549 ncm-et-9 2018-04-16 09:05 01:13:26 2023120 500 39 146 315 -75.52 +/- 18.19

Commit

Commit ID 234344500f4d6e35c6992a07e0b1adb59aea209e
Author lucasart
Date 2014-11-12 21:06:14 UTC
Use quiet ttMove in qsearch() (7962287) Daniel Jose reported that it was an elo gain in his engine: http://www.talkchess.com/forum/viewtopic.php?t=54290 STC: Hash=16 LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 33067 W: 6670 L: 6571 D: 19826 LTC: Hash=64 LLR: 2.96 (-2.94,2.94) [-3.00,1.00] Total: 41181 W: 7008 L: 6920 D: 27253 And another one to verify no regression with hash pressure: STC: Hash=4 LLR: 2.96 (-2.94,2.94) [-4.00,0.00] Total: 25085 W: 5059 L: 4991 D: 15035 Verified that qsearch does not explode after this patch (recapture threshold). Bench 7962287 Resolves #112
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