Dev Builds » 20180621-0823

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 07:11:45 2005137 2803 1399 73 1331 +178.59 +/- 9.1
ncm-et-4 07:10:34 2001728 2765 1400 78 1287 +180.86 +/- 9.29
ncm-et-7 02:51:15 2022143 1098 574 20 504 +192.96 +/- 14.77
ncm-et-9 07:11:24 1992242 2797 1426 67 1304 +184.37 +/- 9.2
ncm-et-10 07:10:51 1991142 2801 1400 75 1326 +178.58 +/- 9.13
ncm-et-11 02:51:47 2026010 1122 569 29 524 +182.28 +/- 14.54
ncm-et-12 02:50:13 2010945 1096 510 32 554 +162.41 +/- 14.02
ncm-et-13 07:09:52 1999392 2773 1417 81 1275 +182.51 +/- 9.35
ncm-et-15 07:12:09 1974326 2745 1392 85 1268 +179.96 +/- 9.38
20000 10087 540 9373 +180.51 +/- 3.44

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
49704 ncm-et-13 2018-08-14 03:21 00:23:01 1989874 151 80 2 69 +198.61 +/- 40.04
49703 ncm-et-15 2018-08-14 03:21 00:23:34 1936674 147 76 4 67 +186.15 +/- 41.09
49702 ncm-et-10 2018-08-14 03:18 00:26:01 1940139 165 90 6 69 +195.09 +/- 40.98
49701 ncm-et-4 2018-08-14 03:17 00:27:36 1989558 171 85 3 83 +181.49 +/- 36.3
49700 ncm-et-3 2018-08-14 03:16 00:27:39 1989875 182 94 2 86 +193.4 +/- 35.58
49699 ncm-et-9 2018-08-14 03:16 00:28:38 1989086 184 91 4 89 +178.48 +/- 35.18
49698 ncm-et-15 2018-08-14 02:01 01:18:29 1982479 500 234 14 252 +164.07 +/- 20.81
49697 ncm-et-13 2018-08-14 02:00 01:20:37 1955506 500 238 10 252 +171.02 +/- 20.68
49696 ncm-et-10 2018-08-14 01:59 01:17:55 1976399 500 257 10 233 +188.08 +/- 21.74
49695 ncm-et-9 2018-08-14 01:59 01:15:32 1990507 500 265 14 221 +191.78 +/- 22.58
49694 ncm-et-3 2018-08-14 01:59 01:16:19 1990507 500 261 15 224 +187.16 +/- 22.42
49693 ncm-et-4 2018-08-14 01:58 01:17:22 1991772 500 249 20 231 +171.9 +/- 22.13
49692 ncm-et-15 2018-08-14 00:41 01:18:50 1979505 500 247 22 231 +168.4 +/- 22.17
49691 ncm-et-13 2018-08-14 00:41 01:17:34 1990665 500 265 14 221 +191.78 +/- 22.58
49690 ncm-et-10 2018-08-14 00:41 01:17:22 1982480 500 249 15 236 +176.33 +/- 21.72
49689 ncm-et-9 2018-08-14 00:40 01:17:32 1987669 500 258 9 233 +189.92 +/- 21.71
49688 ncm-et-3 2018-08-14 00:40 01:17:55 1990195 500 248 18 234 +172.78 +/- 21.91
49687 ncm-et-4 2018-08-14 00:39 01:17:59 1990349 500 244 19 237 +168.4 +/- 21.76
49686 ncm-et-9 2018-08-13 23:22 01:17:30 1986564 500 259 16 225 +184.42 +/- 22.39
49685 ncm-et-4 2018-08-13 23:22 01:16:16 1988455 500 260 10 230 +190.85 +/- 21.92
49684 ncm-et-15 2018-08-13 23:22 01:18:20 1981539 500 273 13 214 +200.24 +/- 22.98
49683 ncm-et-3 2018-08-13 23:22 01:17:08 1987193 500 245 10 245 +177.22 +/- 21.06
49682 ncm-et-13 2018-08-13 23:22 01:18:12 1986250 500 244 11 245 +175.44 +/- 21.09
49681 ncm-et-10 2018-08-13 23:22 01:18:03 1982164 500 244 14 242 +172.78 +/- 21.36
42656 ncm-et-12 2018-06-21 17:04 00:15:01 2020184 96 47 5 44 +162.99 +/- 51.46
42655 ncm-et-4 2018-06-21 17:03 00:15:27 2026063 94 50 2 42 +195.81 +/- 52.07
42654 ncm-et-7 2018-06-21 17:03 00:15:28 2023285 98 58 3 37 +220.49 +/- 56.64
42653 ncm-et-15 2018-06-21 17:03 00:15:36 1972755 98 46 4 48 +159.18 +/- 48.64
42652 ncm-et-9 2018-06-21 17:01 00:17:20 1962629 113 53 0 60 +176.78 +/- 41.31
42651 ncm-et-13 2018-06-21 17:00 00:18:34 2026065 122 58 8 56 +151.28 +/- 45.65
42650 ncm-et-3 2018-06-21 17:00 00:18:52 2027046 121 61 3 57 +181.4 +/- 44.36
42649 ncm-et-11 2018-06-21 17:00 00:19:04 2026882 122 70 5 47 +206.39 +/- 50.16
42648 ncm-et-10 2018-06-21 16:58 00:20:55 2019208 136 73 6 57 +187.46 +/- 45.28
42647 ncm-et-4 2018-06-21 15:45 01:17:18 2028689 500 245 13 242 +174.55 +/- 21.33
42646 ncm-et-7 2018-06-21 15:45 01:17:38 2019534 500 259 8 233 +191.78 +/- 21.67
42645 ncm-et-12 2018-06-21 15:44 01:18:30 1990676 500 220 15 265 +151.35 +/- 20.15
42644 ncm-et-15 2018-06-21 15:44 01:18:06 1983661 500 253 13 234 +181.7 +/- 21.78
42643 ncm-et-9 2018-06-21 15:43 01:17:17 2026718 500 251 9 240 +183.51 +/- 21.3
42642 ncm-et-11 2018-06-21 15:42 01:16:18 2027211 500 253 13 234 +181.7 +/- 21.78
42641 ncm-et-13 2018-06-21 15:42 01:16:42 2021977 500 255 20 225 +177.22 +/- 22.48
42640 ncm-et-3 2018-06-21 15:41 01:17:33 2026554 500 233 9 258 +167.53 +/- 20.32
42639 ncm-et-10 2018-06-21 15:41 01:16:05 2018558 500 238 15 247 +166.66 +/- 21.11
42638 ncm-et-12 2018-06-21 14:26 01:16:42 2021977 500 243 12 245 +173.67 +/- 21.13
42637 ncm-et-13 2018-06-21 14:26 01:15:12 2025408 500 277 16 207 +201.19 +/- 23.5
42636 ncm-et-7 2018-06-21 14:25 01:18:09 2023611 500 257 9 234 +189.0 +/- 21.65
42635 ncm-et-4 2018-06-21 14:25 01:18:36 1997211 500 267 11 222 +196.45 +/- 22.43
42634 ncm-et-10 2018-06-21 14:25 01:14:30 2019048 500 249 9 242 +181.7 +/- 21.19
42633 ncm-et-11 2018-06-21 14:25 01:16:25 2023937 500 246 11 243 +177.22 +/- 21.21
42632 ncm-et-9 2018-06-21 14:24 01:17:35 2002524 500 249 15 236 +176.33 +/- 21.72
42631 ncm-et-3 2018-06-21 14:24 01:16:19 2024590 500 257 16 227 +182.61 +/- 22.27
42630 ncm-et-15 2018-06-21 14:24 01:19:14 1983669 500 263 15 222 +189.0 +/- 22.54

Commit

Commit ID 062eb074c8a7353f151aa324a21d5d25bc33e431
Author candirufish
Date 2018-06-21 08:23:05 UTC
Tuned values after 505k games Various king and pawn tuned eval values after 505k 60 sec 600 nodes time SPSA games. Adjusted passed rank and file values to be symmetrical. Passed LTC (after passed rank/file adjustment): LLR: 2.95 (-2.94,2.94) [0.00,4.00] Total: 37906 W: 6953 L: 6668 D: 24285 http://tests.stockfishchess.org/tests/view/5b2790960ebc5902b8d17ba1 A previous, very similar version with raw tuned values passed STC and LTC: STC: LLR: 2.95 (-2.94,2.94) [0.00,4.00] Total: 39515 W: 9227 L: 8900 D: 21388 http://tests.stockfishchess.org/tests/view/5b277e3e0ebc5902b8d17ac9 LTC: LLR: 2.95 (-2.94,2.94) [0.00,4.00] Total: 14618 W: 2743 L: 2537 D: 9338 http://tests.stockfishchess.org/tests/view/5b2785020ebc5902b8d17b98 Closes https://github.com/official-stockfish/Stockfish/pull/1654 bench: 4777396
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