Dev Builds » 20180410-1547

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 06:02:45 2002512 2410 1121 60 1229 +164.18 +/- 9.37
ncm-et-4 06:02:54 1999202 2394 1111 72 1211 +161.49 +/- 9.49
ncm-et-5 01:48:16 2008020 722 338 18 366 +165.46 +/- 17.2
ncm-et-6 01:46:52 2024427 707 326 23 358 +159.18 +/- 17.49
ncm-et-7 01:47:08 2003793 706 332 26 348 +161.25 +/- 17.85
ncm-et-8 01:47:15 2022548 717 325 33 359 +150.2 +/- 17.63
ncm-et-9 06:00:56 2001339 2384 1085 76 1223 +156.91 +/- 9.43
ncm-et-10 05:59:14 1989969 2366 1109 70 1187 +163.7 +/- 9.59
ncm-et-11 01:47:31 2008307 715 334 24 357 +161.31 +/- 17.56
ncm-et-12 01:49:12 2009519 735 325 34 376 +145.51 +/- 17.18
ncm-et-13 06:02:01 1985166 2365 1108 77 1180 +162.32 +/- 9.65
ncm-et-14 01:47:54 2019452 715 335 14 366 +167.95 +/- 17.1
ncm-et-15 06:01:09 1993528 2363 1107 81 1175 +161.58 +/- 9.68
ncm-et-16 01:46:22 2004752 701 334 15 352 +170.61 +/- 17.52
20000 9290 623 10087 +161.21 +/- 3.29

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
51372 ncm-et-10 2018-08-27 05:20 01:06:05 1964083 433 200 9 224 +164.55 +/- 21.85
51371 ncm-et-13 2018-08-27 05:19 01:06:58 1987193 441 205 10 226 +165.01 +/- 21.83
51370 ncm-et-15 2018-08-27 05:19 01:06:50 1982322 441 194 22 225 +143.08 +/- 22.27
51369 ncm-et-4 2018-08-27 05:18 01:08:32 1990666 461 216 14 231 +163.29 +/- 21.79
51368 ncm-et-3 2018-08-27 05:15 01:10:57 1990350 470 218 15 237 +160.6 +/- 21.51
51367 ncm-et-9 2018-08-27 05:15 01:11:32 1990348 466 204 15 247 +149.5 +/- 20.9
51366 ncm-et-10 2018-08-27 04:02 01:17:17 1980599 500 252 20 228 +174.55 +/- 22.3
51365 ncm-et-4 2018-08-27 04:01 01:16:08 1988770 500 241 14 245 +170.15 +/- 21.19
51364 ncm-et-15 2018-08-27 04:00 01:18:00 1979508 500 232 10 258 +165.8 +/- 20.35
51363 ncm-et-3 2018-08-27 04:00 01:14:01 1988927 500 241 12 247 +171.9 +/- 21.02
51362 ncm-et-9 2018-08-27 04:00 01:14:08 1989401 500 253 11 236 +183.51 +/- 21.6
51361 ncm-et-13 2018-08-27 04:00 01:18:44 1930336 500 215 15 270 +147.19 +/- 19.89
51360 ncm-et-10 2018-08-27 02:44 01:16:29 1977210 500 212 11 277 +148.02 +/- 19.4
51359 ncm-et-13 2018-08-27 02:44 01:14:28 1987354 500 241 19 240 +165.8 +/- 21.6
51358 ncm-et-4 2018-08-27 02:44 01:15:34 1990033 500 226 18 256 +153.86 +/- 20.7
51357 ncm-et-3 2018-08-27 02:44 01:15:18 1991614 500 248 15 237 +175.44 +/- 21.67
51356 ncm-et-15 2018-08-27 02:43 01:15:37 1983734 500 222 23 255 +146.36 +/- 20.87
51355 ncm-et-9 2018-08-27 02:43 01:15:00 1989085 500 228 19 253 +154.7 +/- 20.89
51354 ncm-et-9 2018-08-26 19:44 00:32:42 1990664 215 95 8 112 +149.12 +/- 31.31
51353 ncm-et-10 2018-08-26 19:43 00:33:17 1979503 221 103 5 113 +165.55 +/- 30.94
51352 ncm-et-15 2018-08-26 19:43 00:33:34 1980442 215 110 5 100 +185.5 +/- 33.38
51351 ncm-et-3 2018-08-26 19:43 00:32:46 1993040 214 90 5 119 +146.03 +/- 29.67
51350 ncm-et-13 2018-08-26 19:43 00:33:30 1955297 213 110 8 95 +181.2 +/- 34.69
51349 ncm-et-4 2018-08-26 19:43 00:33:02 1990348 210 108 5 97 +186.46 +/- 33.94
17578 ncm-et-16 2018-04-10 18:00 00:29:28 2019208 201 89 3 109 +158.87 +/- 30.94
17577 ncm-et-7 2018-04-10 17:59 00:30:40 2022303 206 106 13 87 +169.04 +/- 36.65
17576 ncm-et-15 2018-04-10 17:59 00:30:46 2017908 207 101 6 100 +172.32 +/- 33.35
17575 ncm-et-13 2018-04-10 17:59 00:31:01 2025244 211 97 10 104 +152.32 +/- 32.94
17574 ncm-et-6 2018-04-10 17:58 00:31:35 2025244 207 100 7 100 +168.09 +/- 33.45
17573 ncm-et-10 2018-04-10 17:58 00:31:46 2020999 212 108 3 101 +188.67 +/- 32.86
17572 ncm-et-9 2018-04-10 17:58 00:31:44 2027538 203 86 7 110 +142.73 +/- 31.31
17571 ncm-et-14 2018-04-10 17:57 00:32:21 2018558 215 92 2 121 +154.96 +/- 28.92
17570 ncm-et-4 2018-04-10 17:57 00:33:13 2010638 223 109 6 108 +173.61 +/- 32.02
17569 ncm-et-11 2018-04-10 17:57 00:33:05 1997242 215 96 4 115 +158.89 +/- 30.31
17568 ncm-et-8 2018-04-10 17:56 00:33:09 2022956 217 101 7 109 +161.14 +/- 31.82
17567 ncm-et-5 2018-04-10 17:56 00:33:10 1992921 222 99 8 115 +151.31 +/- 30.9
17566 ncm-et-3 2018-04-10 17:56 00:34:05 2025081 226 109 4 113 +174.82 +/- 30.93
17565 ncm-et-12 2018-04-10 17:55 00:34:21 2021814 235 103 8 124 +148.95 +/- 29.62
17564 ncm-et-10 2018-04-10 16:42 01:14:20 2017420 500 234 22 244 +157.24 +/- 21.44
17563 ncm-et-16 2018-04-10 16:42 01:16:54 1990297 500 245 12 243 +175.44 +/- 21.24
17562 ncm-et-6 2018-04-10 16:42 01:15:17 2023610 500 226 16 258 +155.54 +/- 20.54
17561 ncm-et-7 2018-04-10 16:42 01:16:28 1985284 500 226 13 261 +158.08 +/- 20.3
17560 ncm-et-15 2018-04-10 16:41 01:16:22 2017259 500 248 15 237 +175.44 +/- 21.67
17559 ncm-et-8 2018-04-10 16:41 01:14:06 2022141 500 224 26 250 +145.54 +/- 21.2
17558 ncm-et-11 2018-04-10 16:41 01:14:26 2019373 500 238 20 242 +162.35 +/- 21.51
17557 ncm-et-9 2018-04-10 16:41 01:15:50 2020999 500 219 16 265 +149.68 +/- 20.18
17556 ncm-et-14 2018-04-10 16:41 01:15:33 2020347 500 243 12 245 +173.67 +/- 21.13
17555 ncm-et-13 2018-04-10 16:40 01:17:20 2025573 500 240 15 245 +168.4 +/- 21.22
17554 ncm-et-5 2018-04-10 16:40 01:15:06 2023120 500 239 10 251 +171.9 +/- 20.73
17553 ncm-et-12 2018-04-10 16:39 01:14:51 1997224 500 222 26 252 +143.89 +/- 21.09
17552 ncm-et-4 2018-04-10 16:39 01:16:25 2024758 500 211 15 274 +143.89 +/- 19.68
17551 ncm-et-3 2018-04-10 16:39 01:15:38 2026065 500 215 9 276 +152.18 +/- 19.38

Commit

Commit ID 62619fa228ff9b1f1adfbe023ce4c417807fdeba
Author Jerry Donald Watson
Date 2018-04-10 15:47:55 UTC
Simplify condition in space definition We remove an unnecessary condition in the definition of safe squares in the space evaluation. Only the squares which are occupied by our pawns or attacked by our opponent's pawns are now excluded. STC: LLR: 2.96 (-2.94,2.94) [-3.00,1.00] Total: 21096 W: 4321 L: 4199 D: 12576 http://tests.stockfishchess.org/tests/view/5acbf7510ebc59547e537d4e LTC: LLR: 2.96 (-2.94,2.94) [-3.00,1.00] Total: 23437 W: 3577 L: 3460 D: 16400 http://tests.stockfishchess.org/tests/view/5acc0f750ebc59547e537d6a It may be possible to further refine the definition of such safe squares. Bench: 5351765
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