Dev Builds » 20140421-0547

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 06:03:04 1991726 2410 167 913 1330 -111.19 +/- 9.11
ncm-et-4 06:03:16 1966961 2330 151 914 1265 -118.12 +/- 9.35
ncm-et-5 01:47:36 2024263 715 46 284 385 -120.23 +/- 16.98
ncm-et-6 01:48:06 2026554 704 45 276 383 -118.38 +/- 16.99
ncm-et-7 01:48:06 2001876 719 40 296 383 -129.37 +/- 16.99
ncm-et-8 01:47:53 1977796 698 40 272 386 -120.04 +/- 16.83
ncm-et-9 06:03:33 1993592 2404 161 905 1338 -111.17 +/- 9.06
ncm-et-10 06:03:26 1985087 2382 142 886 1354 -112.27 +/- 8.94
ncm-et-11 01:48:14 2017015 726 37 293 396 -128.01 +/- 16.6
ncm-et-12 01:48:05 1996429 695 41 289 365 -129.68 +/- 17.47
ncm-et-13 06:03:07 1992849 2384 154 915 1315 -114.92 +/- 9.14
ncm-et-14 01:48:10 2019940 708 54 254 400 -100.89 +/- 16.59
ncm-et-15 06:02:57 1986566 2398 135 950 1313 -122.97 +/- 9.13
ncm-et-16 01:48:10 2020104 727 33 266 428 -115.42 +/- 15.65
20000 1246 7713 11041 -116.52 +/- 3.15

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
92204 ncm-et-4 2019-08-10 12:34 00:19:19 1943491 124 8 45 71 -106.92 +/- 39.26
92203 ncm-et-13 2019-08-10 12:29 00:24:21 1971876 162 9 70 83 -137.59 +/- 36.86
92202 ncm-et-10 2019-08-10 12:27 00:26:37 1958938 165 10 66 89 -122.79 +/- 35.38
92201 ncm-et-9 2019-08-10 12:27 00:26:37 1975923 179 8 70 101 -125.53 +/- 32.63
92200 ncm-et-15 2019-08-10 12:26 00:27:03 1971102 182 13 76 93 -125.45 +/- 35.01
92199 ncm-et-3 2019-08-10 12:25 00:28:24 1972804 188 20 73 95 -100.67 +/- 34.91
92198 ncm-et-4 2019-08-10 11:16 01:16:44 1967232 500 28 197 275 -122.24 +/- 19.95
92197 ncm-et-13 2019-08-10 11:11 01:16:40 1973436 500 34 186 280 -109.07 +/- 19.81
92196 ncm-et-9 2019-08-10 11:10 01:15:44 1975295 500 28 196 276 -121.46 +/- 19.9
92195 ncm-et-10 2019-08-10 11:09 01:16:18 1965700 500 26 171 303 -103.73 +/- 18.53
92194 ncm-et-15 2019-08-10 11:08 01:16:51 1959750 500 29 175 296 -104.49 +/- 18.94
92193 ncm-et-3 2019-08-10 11:07 01:16:27 1974369 500 32 192 276 -115.23 +/- 19.97
92192 ncm-et-4 2019-08-10 09:59 01:16:38 1980211 500 43 192 265 -106.78 +/- 20.67
92191 ncm-et-13 2019-08-10 09:54 01:15:50 1975919 500 31 184 285 -109.83 +/- 19.51
92190 ncm-et-10 2019-08-10 09:53 01:15:37 1964462 500 24 201 275 -128.55 +/- 19.87
92189 ncm-et-9 2019-08-10 09:52 01:16:57 1970169 500 36 191 273 -111.37 +/- 20.18
92188 ncm-et-15 2019-08-10 09:52 01:15:42 1980334 500 27 197 276 -123.02 +/- 19.88
92187 ncm-et-3 2019-08-10 09:51 01:14:56 1979773 500 29 205 266 -127.76 +/- 20.42
92186 ncm-et-15 2019-08-10 08:35 01:15:25 1971260 500 27 195 278 -121.46 +/- 19.78
92185 ncm-et-3 2019-08-10 08:35 01:15:25 1973902 500 28 184 288 -112.14 +/- 19.31
92184 ncm-et-13 2019-08-10 08:35 01:18:14 1989302 500 40 198 262 -113.68 +/- 20.78
92183 ncm-et-4 2019-08-10 08:35 01:22:35 1861329 500 44 194 262 -107.54 +/- 20.82
92182 ncm-et-10 2019-08-10 08:35 01:16:50 1978940 500 37 181 282 -102.97 +/- 19.76
92181 ncm-et-9 2019-08-10 08:35 01:16:04 1990823 500 31 180 289 -106.78 +/- 19.32
24532 ncm-et-8 2018-04-29 23:51 00:30:07 2020510 198 11 77 110 -120.41 +/- 31.55
24531 ncm-et-12 2018-04-29 23:50 00:30:36 2020021 195 12 82 101 -130.53 +/- 33.41
24530 ncm-et-6 2018-04-29 23:50 00:30:48 2027046 204 15 73 116 -101.58 +/- 30.81
24529 ncm-et-14 2018-04-29 23:49 00:31:36 2020021 208 22 75 111 -90.52 +/- 32.1
24528 ncm-et-4 2018-04-29 23:49 00:31:42 2025081 206 12 78 116 -115.38 +/- 30.67
24527 ncm-et-15 2018-04-29 23:49 00:32:11 2019371 216 13 87 116 -124.04 +/- 30.97
24526 ncm-et-5 2018-04-29 23:49 00:32:17 2024100 215 11 100 104 -153.0 +/- 33.07
24525 ncm-et-13 2018-04-29 23:48 00:32:59 2023609 222 8 80 134 -116.9 +/- 27.64
24524 ncm-et-7 2018-04-29 23:48 00:33:08 1994533 219 9 90 120 -134.9 +/- 30.04
24523 ncm-et-10 2018-04-29 23:48 00:33:06 2020999 217 13 88 116 -125.24 +/- 30.99
24522 ncm-et-3 2018-04-29 23:47 00:33:16 2023283 222 14 81 127 -108.23 +/- 29.27
24521 ncm-et-9 2018-04-29 23:47 00:34:04 2023283 225 12 93 120 -130.94 +/- 30.39
24520 ncm-et-11 2018-04-29 23:47 00:34:13 2018395 226 14 89 123 -119.84 +/- 30.02
24519 ncm-et-16 2018-04-29 23:46 00:34:30 2019046 227 10 91 126 -129.68 +/- 29.28
24518 ncm-et-5 2018-04-29 22:32 01:15:19 2024426 500 35 184 281 -106.78 +/- 19.78
24517 ncm-et-8 2018-04-29 22:32 01:17:46 1935083 500 29 195 276 -119.89 +/- 19.92
24516 ncm-et-4 2018-04-29 22:32 01:16:18 2024426 500 16 208 276 -140.62 +/- 19.61
24515 ncm-et-13 2018-04-29 22:32 01:15:03 2022956 500 32 197 271 -119.11 +/- 20.22
24514 ncm-et-12 2018-04-29 22:32 01:17:29 1972838 500 29 207 264 -129.35 +/- 20.52
24513 ncm-et-14 2018-04-29 22:32 01:16:34 2019860 500 32 179 289 -105.25 +/- 19.34
24512 ncm-et-15 2018-04-29 22:32 01:15:45 2017583 500 26 220 254 -142.26 +/- 20.99
24511 ncm-et-9 2018-04-29 22:32 01:14:07 2026063 500 46 175 279 -91.71 +/- 20.02
24510 ncm-et-3 2018-04-29 22:32 01:14:36 2026227 500 44 178 278 -95.44 +/- 20.04
24509 ncm-et-16 2018-04-29 22:32 01:13:40 2021162 500 23 175 302 -109.07 +/- 18.51
24508 ncm-et-6 2018-04-29 22:32 01:17:18 2026063 500 30 203 267 -125.39 +/- 20.39
24507 ncm-et-10 2018-04-29 22:32 01:14:58 2021488 500 32 179 289 -105.25 +/- 19.34
24506 ncm-et-7 2018-04-29 22:32 01:14:58 2009220 500 31 206 263 -126.97 +/- 20.61
24505 ncm-et-11 2018-04-29 22:32 01:14:01 2015636 500 23 204 273 -131.74 +/- 19.95

Commit

Commit ID 0e8ad40ef0303c5c3bc13ff0ddcaa488f91b73fc
Author Stefan Geschwentner
Date 2014-04-21 05:47:50 UTC
Raise penalty blocked enemy pawn on 6th rank Idea from Lyudmil Tsvetkov. The value seems to be raised a bit abruptly, but as Gary said, a blocked pawn on the sixth rank has been instrumental in limiting king mobility in multiple losses that I've seen from SF. A blocked pawn on fifth rank is much less serious on the king safety impact. Passed both STC LLR: 2.97 (-2.94,2.94) [-1.50,4.50] Total: 14551 W: 2750 L: 2607 D: 9194 and LTC LLR: 2.96 (-2.94,2.94) [0.00,6.00] Total: 43595 W: 6917 L: 6618 D: 30060 And even a retest at 60" fixed games 40K ELO: 1.79 +-1.9 (95%) LOS: 97.0% Total: 39889 W: 6018 L: 5813 D: 28058 bench: 7154916
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