Fabian Fichter [Thu, 3 Sep 2020 22:15:48 +0000]
Merge official-stockfish/master
bench: 4839910
Fabian Fichter [Thu, 3 Sep 2020 21:55:51 +0000]
Merge official-stockfish/master
No functional change.
Fabian Fichter [Thu, 3 Sep 2020 21:49:43 +0000]
Merge official-stockfish/master
No functional change.
Fabian Fichter [Thu, 3 Sep 2020 21:43:11 +0000]
Merge official-stockfish/master
Fabian Fichter [Thu, 3 Sep 2020 19:12:25 +0000]
Merge official-stockfish/master
bench: 4777225
Fabian Fichter [Thu, 27 Aug 2020 20:45:45 +0000]
Consider material density in king safety
Scale king danger of drop variants by material density
and thereby remove magic correction factors.
euroshogi STC
LLR: 2.97 (-2.94,2.94) [0.00,10.00]
Total: 2735 W: 1417 L: 1276 D: 42
http://www.variantfishtest.org:6543/tests/view/
5f3fd4266e23db221d9e902e
euroshogi LTC
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 1427 W: 760 L: 639 D: 28
http://www.variantfishtest.org:6543/tests/view/
5f46e1076e23db221d9e9045
shogi STC
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 6037 W: 3098 L: 2909 D: 30
http://www.variantfishtest.org:6543/tests/view/
5f3fabca6e23db221d9e9013
shogi LTC
LLR: 2.98 (-2.94,2.94) [-10.00,5.00]
Total: 917 W: 487 L: 425 D: 5
http://www.variantfishtest.org:6543/tests/view/
5f46b5236e23db221d9e9043
judkins STC
LLR: 2.96 (-2.94,2.94) [0.00,10.00]
Total: 2936 W: 1430 L: 1292 D: 214
http://www.variantfishtest.org:6543/tests/view/
5f3fd48d6e23db221d9e9030
QueensGambit [Wed, 26 Aug 2020 17:58:52 +0000]
added -DLARGEBOARDS support
Fabian Fichter [Tue, 25 Aug 2020 21:41:57 +0000]
Tweak king proximity
shogi STC
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 2506 W: 1314 L: 1176 D: 16
http://www.variantfishtest.org:6543/tests/view/
5f3fb2cb6e23db221d9e9018
shogi LTC
LLR: 2.97 (-2.94,2.94) [0.00,10.00]
Total: 976 W: 546 L: 429 D: 1
http://www.variantfishtest.org:6543/tests/view/
5f435c1e6e23db221d9e903e
crazyhouse STC
LLR: -2.97 (-2.94,2.94) [0.00,10.00]
Total: 18825 W: 9170 L: 8999 D: 656
http://www.variantfishtest.org:6543/tests/view/
5ee348126e23db104fb88ada
crazyhouse LTC
LLR: -2.96 (-2.94,2.94) [0.00,10.00]
Total: 13908 W: 6715 L: 6614 D: 579
http://www.variantfishtest.org:6543/tests/view/
5ee68ebb6e23db104fb88bad
Fabian Fichter [Tue, 25 Aug 2020 20:53:34 +0000]
Merge official-stockfish/master
QueensGambit [Sun, 23 Aug 2020 17:56:19 +0000]
updated ffish.js for initial npm version
+ added ffish.info() with test
+ added ES6 compile instructions to README.md
+ updated package.json
Fabian Fichter [Thu, 20 Aug 2020 16:52:35 +0000]
Fix pieceToCharTable for Janus
Thanks to @alwey for reporting.
Fabian Fichter [Sat, 15 Aug 2020 17:11:34 +0000]
Fix undo_move for arrow gating
Fabian Fichter [Sat, 15 Aug 2020 14:06:57 +0000]
Exclude Game of the Amazons by default
Avoids big stack size for standard builds.
Fabian Fichter [Sat, 15 Aug 2020 09:58:26 +0000]
Support Game of the Amazons
https://en.wikipedia.org/wiki/Game_of_the_Amazons
bench: 4413936
Fabian Fichter [Fri, 14 Aug 2020 13:55:48 +0000]
Merge official-stockfish/master
bench: 5082623
Fabian Fichter [Fri, 14 Aug 2020 13:45:40 +0000]
Simplify handling special riders
No functional change.
Fabian Fichter [Fri, 14 Aug 2020 13:15:08 +0000]
Merge official-stockfish/master
No functional change.
Fabian Fichter [Wed, 12 Aug 2020 20:31:20 +0000]
Fix pseudo-legal move validation for Janggi
Closes #170.
Fabian Fichter [Tue, 11 Aug 2020 05:49:52 +0000]
Speed up perft tests in Travis CI
Fabian Fichter [Tue, 11 Aug 2020 05:38:18 +0000]
Fix Visual Studio linker error
Closes #169.
Fabian Fichter [Mon, 10 Aug 2020 20:54:39 +0000]
Merge official-stockfish/master
bench: 4822192
Fabian Fichter [Mon, 10 Aug 2020 20:35:47 +0000]
Merge official-stockfish/master
Merge new time management.
Fabian Fichter [Mon, 10 Aug 2020 17:14:51 +0000]
Disable shallow depth pruning of captures
giveaway STC
LLR: 2.97 (-2.94,2.94) [0.00,10.00]
Total: 733 W: 315 L: 224 D: 194
http://www.variantfishtest.org:6543/tests/view/
5f300b6e6e23db104fb88ea3
giveaway LTC
LLR: 2.96 (-2.94,2.94) [0.00,10.00]
Total: 1300 W: 522 L: 424 D: 354
http://www.variantfishtest.org:6543/tests/view/
5f3013386e23db104fb88eb2
Fabian Fichter [Sun, 9 Aug 2020 16:00:19 +0000]
Merge official-stockfish/master
bench: 4877370
Fabian Fichter [Sun, 9 Aug 2020 13:41:02 +0000]
Merge official-stockfish/master
Fabian Fichter [Sun, 9 Aug 2020 13:05:49 +0000]
Merge official-stockfish/master
bench: 4988792
Fabian Fichter [Sun, 9 Aug 2020 12:45:16 +0000]
Merge official-stockfish/master
No functional change.
Fabian Fichter [Sun, 9 Aug 2020 10:35:44 +0000]
Merge official-stockfish/master
bench: 4542650
Fabian Fichter [Sun, 9 Aug 2020 10:13:53 +0000]
Merge official-stockfish/master
bench: 5678334
Fabian Fichter [Sat, 8 Aug 2020 21:07:38 +0000]
Merge official-stockfish/master
No functional change.
Fabian Fichter [Fri, 7 Aug 2020 16:17:08 +0000]
Merge official-stockfish/master
bench: 4959597
Fabian Fichter [Fri, 7 Aug 2020 16:01:07 +0000]
Merge official-stockfish/master
No functional change.
Fabian Fichter [Fri, 7 Aug 2020 15:43:26 +0000]
Merge official-stockfish/master
No functional change.
Fabian Fichter [Fri, 7 Aug 2020 11:56:18 +0000]
Tweak LMR for drop variants
crazyhouse STC
LLR: 2.96 (-2.94,2.94) [0.00,10.00]
Total: 27169 W: 13361 L: 12871 D: 937
http://www.variantfishtest.org:6543/tests/view/
5f13332a6e23db104fb88e04
crazyhouse LTC
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 2197 W: 1118 L: 988 D: 91
http://www.variantfishtest.org:6543/tests/view/
5f1415e26e23db104fb88e17
Fabian Fichter [Thu, 6 Aug 2020 21:24:23 +0000]
Update readme
Fabian Fichter [Thu, 6 Aug 2020 20:25:52 +0000]
Support Ataxx
https://en.wikipedia.org/wiki/Ataxx
bench: 5499014
Fabian Fichter [Tue, 28 Jul 2020 21:09:33 +0000]
Clear move deque on setboard
Prevent undefined behavior on `undo` in CECP.
Closes #165.
Fabian Fichter [Tue, 28 Jul 2020 16:45:19 +0000]
Double mobility bonus for nCheck
3check STC
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 2999 W: 1487 L: 1347 D: 165
http://www.variantfishtest.org:6543/tests/view/
5f1449956e23db104fb88e31
3check LTC
LLR: 2.96 (-2.94,2.94) [0.00,10.00]
Total: 3080 W: 1500 L: 1360 D: 220
http://www.variantfishtest.org:6543/tests/view/
5f15f4096e23db104fb88e3f
Fabian Fichter [Sat, 18 Jul 2020 13:47:07 +0000]
Merge official-stockfish/master
bench: 4507590
Fabian Fichter [Sat, 18 Jul 2020 13:42:32 +0000]
Merge official-stockfish/master
No functional change.
Fabian Fichter [Sat, 18 Jul 2020 12:54:43 +0000]
Merge official-stockfish/master
bench: 5255035
Fabian Fichter [Sat, 18 Jul 2020 10:44:36 +0000]
Merge official-stockfish/master
bench: 5126336
Fabian Fichter [Sat, 18 Jul 2020 09:59:11 +0000]
Merge official-stockfish/master
No functional change.
Fabian Fichter [Sat, 18 Jul 2020 08:33:59 +0000]
Merge official-stockfish/master
Fabian Fichter [Sat, 18 Jul 2020 08:33:12 +0000]
Merge official-stockfish/master
bench: 5054568
Fabian Fichter [Sun, 12 Jul 2020 18:19:40 +0000]
Update reference bench
bench: 4964428
Fabian Fichter [Sun, 12 Jul 2020 16:13:40 +0000]
Tweak futility pruning for extinction variants
extinction STC
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 312 W: 196 L: 96 D: 20
http://www.variantfishtest.org:6543/tests/view/
5f0ac6906e23db104fb88d83
extinction LTC
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 491 W: 258 L: 162 D: 71
http://www.variantfishtest.org:6543/tests/view/
5f0af0ff6e23db104fb88d92
threekings STC
LLR: 2.97 (-2.94,2.94) [0.00,10.00]
Total: 250 W: 89 L: 23 D: 138
http://www.variantfishtest.org:6543/tests/view/
5f0ac6ac6e23db104fb88d86
threekings LTC
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 179 W: 71 L: 9 D: 99
http://www.variantfishtest.org:6543/tests/view/
5f0af0f46e23db104fb88d90
kinglet STC
LLR: 2.97 (-2.94,2.94) [0.00,10.00]
Total: 735 W: 373 L: 271 D: 91
http://www.variantfishtest.org:6543/tests/view/
5f0af14f6e23db104fb88d94
Bajusz Tamás [Thu, 9 Jul 2020 15:53:55 +0000]
Add version() to pyffish
Yann Dirson [Sat, 4 Jul 2020 12:36:12 +0000]
xboard: add engine version to 'myname' feature
Fabian Fichter [Sat, 4 Jul 2020 13:22:21 +0000]
Tweak evaluation of stable disks
reversi
LLR: 2.96 (-2.94,2.94) [0.00,10.00]
Total: 624 W: 351 L: 244 D: 29
Fabian Fichter [Sat, 4 Jul 2020 09:04:52 +0000]
Extend definition of stable disks
reversi
LLR: 2.97 (-2.94,2.94) [0.00,10.00]
Total: 422 W: 255 L: 150 D: 17
Fabian Fichter [Fri, 3 Jul 2020 21:17:00 +0000]
Evaluate potential piece flips
reversi
LLR: 3.00 (-2.94,2.94) [0.00,10.00]
Total: 268 W: 178 L: 76 D: 14
Fabian Fichter [Fri, 3 Jul 2020 14:19:41 +0000]
Skip NMP for reversi
reversi
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 280 W: 174 L: 78 D: 28
Fabian Fichter [Fri, 3 Jul 2020 13:43:34 +0000]
Reduce value of immobile piece
reversi
LLR: 2.97 (-2.94,2.94) [0.00,10.00]
Total: 244 W: 165 L: 65 D: 14
Fabian Fichter [Fri, 3 Jul 2020 13:05:24 +0000]
Tweak drop mobility
reversi
Total: 100 W: 99 L: 1 D: 0
Fabian Fichter [Fri, 3 Jul 2020 11:37:41 +0000]
Bonus for corner squares
reversi
LLR: 2.96 (-2.94,2.94) [0.00,10.00]
Total: 104 W: 100 L: 3 D: 1
Fabian Fichter [Fri, 3 Jul 2020 10:58:13 +0000]
Support Othello/Reversi
Fabian Fichter [Thu, 2 Jul 2020 19:22:25 +0000]
Decrease mobility bonus for fairy pieces
seirawan STC
LLR: 2.96 (-2.94,2.94) [0.00,10.00]
Total: 1991 W: 763 L: 657 D: 571
http://www.variantfishtest.org:6543/tests/view/
5efa2fb26e23db104fb88c8b
seirawan LTC
LLR: 3.11 (-2.94,2.94) [0.00,10.00]
Total: 1552 W: 559 L: 459 D: 534
http://www.variantfishtest.org:6543/tests/view/
5efb8cb86e23db104fb88ca7
shatranj STC
LLR: 2.98 (-2.94,2.94) [0.00,10.00]
Total: 1656 W: 200 L: 134 D: 1322
http://www.variantfishtest.org:6543/tests/view/
5efb1d676e23db104fb88c92
shatranj LTC
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 1482 W: 165 L: 102 D: 1215
http://www.variantfishtest.org:6543/tests/view/
5efb8cd16e23db104fb88ca9
makruk STC
LLR: 3.00 (-2.94,2.94) [-10.00,5.00]
Total: 6773 W: 519 L: 495 D: 5759
http://www.variantfishtest.org:6543/tests/view/
5efb489a6e23db104fb88c9b
Fabian Fichter [Wed, 1 Jul 2020 09:46:13 +0000]
Update readme
Fabian Fichter [Tue, 30 Jun 2020 17:27:58 +0000]
Tweak endgame scale factor
makruk STC
LLR: 2.99 (-2.94,2.94) [0.00,10.00]
Total: 2918 W: 272 L: 203 D: 2443
http://www.variantfishtest.org:6543/tests/view/
5ef3c19a6e23db104fb88c5f
makruk LTC
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 8027 W: 495 L: 416 D: 7116
http://www.variantfishtest.org:6543/tests/view/
5ef3c8db6e23db104fb88c68
Fabian Fichter [Mon, 29 Jun 2020 17:16:59 +0000]
Fix link in readme
Fabian Fichter [Mon, 29 Jun 2020 17:14:38 +0000]
Add ffish.js to readme
QueensGambit [Mon, 29 Jun 2020 12:22:45 +0000]
Added initial version of ffish.js
Fabian Fichter [Sun, 28 Jun 2020 15:23:29 +0000]
Tweak futility pruning at parent node
3check STC
LLR: 2.97 (-2.94,2.94) [0.00,10.00]
Total: 3951 W: 1916 L: 1763 D: 272
http://www.variantfishtest.org:6543/tests/view/
5eed14286e23db104fb88bee
3check LTC
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 10074 W: 4762 L: 4523 D: 789
http://www.variantfishtest.org:6543/tests/view/
5eefa6e56e23db104fb88c44
Fabian Fichter [Sun, 28 Jun 2020 15:10:19 +0000]
Further simplification of variant definitions
No functional change.
Fabian Fichter [Sun, 28 Jun 2020 14:58:48 +0000]
Simplify Janggi rule definition
No functional change.
Fabian Fichter [Sun, 28 Jun 2020 13:40:37 +0000]
Merge official-stockfish/master
No functional change.
Fabian Fichter [Sun, 28 Jun 2020 13:13:34 +0000]
Merge official-stockfish/master
No functional change.
Fabian Fichter [Sat, 27 Jun 2020 16:42:04 +0000]
Simplify passed pawn evaluation
No functional change.
Fabian Fichter [Mon, 22 Jun 2020 16:05:38 +0000]
Increase futility margin for losing chess
giveaway STC
LLR: 2.96 (-2.94,2.94) [0.00,10.00]
Total: 3110 W: 1188 L: 1066 D: 856
http://www.variantfishtest.org:6543/tests/view/
5eed135b6e23db104fb88be8
giveaway LTC
LLR: 2.97 (-2.94,2.94) [0.00,10.00]
Total: 2975 W: 1096 L: 978 D: 901
http://www.variantfishtest.org:6543/tests/view/
5eee59f46e23db104fb88c32
losers STC
LLR: 2.96 (-2.94,2.94) [0.00,10.00]
Total: 1118 W: 548 L: 440 D: 130
http://www.variantfishtest.org:6543/tests/view/
5eee1cb16e23db104fb88c28
losers LTC
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 2471 W: 1145 L: 1019 D: 307
http://www.variantfishtest.org:6543/tests/view/
5eee2b5c6e23db104fb88c2c
Fabian Fichter [Sun, 21 Jun 2020 12:04:28 +0000]
Penalty for mandatory demotions
kyotoshogi
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 776 W: 434 L: 323 D: 19
Fabian Fichter [Sun, 21 Jun 2020 10:50:08 +0000]
Evaluate promoted drops for hand pieces
kyotoshogi
LLR: 2.98 (-2.94,2.94) [0.00,10.00]
Total: 512 W: 306 L: 197 D: 9
Fabian Fichter [Sat, 20 Jun 2020 18:56:13 +0000]
Tweak quiet SEE pruning for CTF variants
racingkings STC
LLR: 2.97 (-2.94,2.94) [0.00,10.00]
Total: 952 W: 336 L: 250 D: 366
http://www.variantfishtest.org:6543/tests/view/
5eede86c6e23db104fb88c1a
racingkings LTC
LLR: 2.96 (-2.94,2.94) [0.00,10.00]
Total: 980 W: 320 L: 237 D: 423
http://www.variantfishtest.org:6543/tests/view/
5eee06866e23db104fb88c26
kingofthehill STC
LLR: -2.95 (-2.94,2.94) [0.00,10.00]
Total: 2523 W: 1034 L: 1087 D: 402
http://www.variantfishtest.org:6543/tests/view/
5eede8896e23db104fb88c1d
kingofthehill LTC
LLR: 2.99 (-2.94,2.94) [-10.00,5.00]
Total: 656 W: 296 L: 242 D: 118
http://www.variantfishtest.org:6543/tests/view/
5eee2a986e23db104fb88c2a
Fabian Fichter [Sat, 20 Jun 2020 17:35:47 +0000]
Consider anchored blockers in CTF bonus
kingofthehill STC
LLR: 2.96 (-2.94,2.94) [0.00,10.00]
Total: 1485 W: 683 L: 573 D: 229
http://www.variantfishtest.org:6543/tests/view/
5ee4b30e6e23db104fb88b26
kingofthehill LTC
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 5214 W: 2182 L: 2024 D: 1008
http://www.variantfishtest.org:6543/tests/view/
5ee5d1156e23db104fb88b88
Fabian Fichter [Sat, 20 Jun 2020 13:01:26 +0000]
Generalize SAN disambiguation
Closes #152.
Fabian Fichter [Fri, 19 Jun 2020 22:50:22 +0000]
Generalize insufficient material calculation
Closes #139.
Fabian Fichter [Fri, 19 Jun 2020 19:03:01 +0000]
Remove redundant LMR condition
No functional change.
Fabian Fichter [Sun, 14 Jun 2020 12:52:25 +0000]
Adjudicate optional game ends in CECP protocol
Closes #150.
Fabian Fichter [Thu, 18 Jun 2020 21:14:38 +0000]
Minor cleanups in search code
No functional change.
Fabian Fichter [Thu, 18 Jun 2020 20:52:46 +0000]
Re-enable NMP for breakthrough and clobber
Fabian Fichter [Thu, 18 Jun 2020 20:40:50 +0000]
Simplify clobber-specific code
Fabian Fichter [Sun, 14 Jun 2020 17:33:00 +0000]
Blocked pawns in CTF bonus
kingofthehill STC
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 3352 W: 1506 L: 1369 D: 477
http://www.variantfishtest.org:6543/tests/view/
5ee3f28a6e23db104fb88b00
kingofthehill LTC
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 839 W: 403 L: 303 D: 133
http://www.variantfishtest.org:6543/tests/view/
5ee63d316e23db104fb88ba8
Fabian Fichter [Sun, 14 Jun 2020 07:29:40 +0000]
Tweak horde pawn evaluation
horde STC
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 812 W: 458 L: 345 D: 9
http://www.variantfishtest.org:6543/tests/view/
5ee52c706e23db104fb88b7e
horde LTC
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 960 W: 532 L: 417 D: 11
http://www.variantfishtest.org:6543/tests/view/
5ee5569e6e23db104fb88b86
Fabian Fichter [Sat, 13 Jun 2020 21:34:44 +0000]
Tweak antichess extinction evaluation
giveaway STC
LLR: 2.97 (-2.94,2.94) [0.00,10.00]
Total: 910 W: 392 L: 297 D: 221
http://www.variantfishtest.org:6543/tests/view/
5ee4d10b6e23db104fb88b3e
giveaway LTC
LLR: 2.96 (-2.94,2.94) [0.00,10.00]
Total: 874 W: 363 L: 271 D: 240
http://www.variantfishtest.org:6543/tests/view/
5ee4ef196e23db104fb88b62
Fabian Fichter [Sat, 13 Jun 2020 18:38:27 +0000]
Enable extinction evaluation for losers chess
losers STC
LLR: 2.96 (-2.94,2.94) [0.00,10.00]
Total: 315 W: 188 L: 92 D: 35
http://www.variantfishtest.org:6543/tests/view/
5ee4d0a06e23db104fb88b3b
losers LTC
LLR: 2.96 (-2.94,2.94) [0.00,10.00]
Total: 415 W: 225 L: 130 D: 60
http://www.variantfishtest.org:6543/tests/view/
5ee4df9e6e23db104fb88b4d
Fabian Fichter [Sat, 13 Jun 2020 11:31:21 +0000]
Avoid unnecessary recomputations in CTF bonus
No funtional change.
Fabian Fichter [Sat, 13 Jun 2020 10:50:41 +0000]
Consider protected pawns in CTF bonus
kingofthehill STC
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 1009 W: 485 L: 381 D: 143
http://www.variantfishtest.org:6543/tests/view/
5ee3f57f6e23db104fb88b04
kingofthehill LTC
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 772 W: 384 L: 283 D: 105
http://www.variantfishtest.org:6543/tests/view/
5ee48b3c6e23db104fb88b09
Joost VandeVondele [Wed, 10 Jun 2020 11:19:21 +0000]
Quantize eval to multiples of 16
Removes some excess precision, helps searchs.
Effectively reintroduces evaluation grain, with a slightly different context.
https://github.com/official-stockfish/Stockfish/commit/
45dbd9cd0303d0db469670af8ec3598731a4eace
passed STC
LLR: 2.97 (-2.94,2.94) {-0.50,1.50}
Total: 197032 W: 37938 L: 37462 D: 121632
Ptnml(0-2): 3359, 22994, 45446, 23246, 3471
https://tests.stockfishchess.org/tests/view/
5ee0c228f29b40b0fc95ae53
passed LTC
LLR: 2.94 (-2.94,2.94) {0.25,1.75}
Total: 77696 W: 9970 L: 9581 D: 58145
Ptnml(0-2): 530, 7075, 23311, 7340, 592
https://tests.stockfishchess.org/tests/view/
5ee21426f29b40b0fc95af43
passed LTC SMP
LLR: 2.96 (-2.94,2.94) {0.25,1.75}
Total: 64136 W: 7425 L: 7091 D: 49620
Ptnml(0-2): 345, 5416, 20228, 5718, 361
https://tests.stockfishchess.org/tests/view/
5ee387bbf29b40b0fc95b04c
closes https://github.com/official-stockfish/Stockfish/pull/2733
Bench: 4939103
Vizvezdenec [Sat, 13 Jun 2020 02:03:59 +0000]
Adjust history threshold for quiet moves futility pruning
This patch adjusts the threshold for futility pruning of quiet moves
using the continuation history array contHist[5], in the same way as
it is used in movepicker.
passed STC:
https://tests.stockfishchess.org/tests/view/
5ee3f88bca6c451633a9959f
LLR: 2.94 (-2.94,2.94) {-0.50,1.50}
Total: 55984 W: 10822 L: 10552 D: 34610
Ptnml(0-2): 952, 6435, 12941, 6719, 945
passed LTC:
https://tests.stockfishchess.org/tests/view/
5ee4186dca6c451633a995cf
LLR: 2.96 (-2.94,2.94) {0.25,1.75}
Total: 41712 W: 5402 L: 5114 D: 31196
Ptnml(0-2): 293, 3766, 12469, 4016, 312
closes https://github.com/official-stockfish/Stockfish/pull/2734
Bench: 4715960
Stéphane Nicolet [Tue, 9 Jun 2020 22:10:07 +0000]
Improve the anti-shuffling policy
We replace the current decrease of the complexity term in initiative
when shuffling by a direct damping of the evaluation. This scheme may
have two benefits over the initiative approach:
a) the damping effect is more brutal for fortresses with heavy pieces
on the board, because the initiative term is almost an endgame term;
b) the initiative implementation had a funny side effect, almost a bug,
in the rare positions where mg > 0, eg < 0 and the tampered eval
returned a positive value (ie with heavy pieces still on the board):
sending eg to zero via shuffling would **increase** the tampered
eval instead of decreasing it, which is somewhat illogical. This
patch avoids this phenomenon.
STC:
LLR: 2.94 (-2.94,2.94) {-0.50,1.50}
Total: 43072 W: 8373 L: 8121 D: 26578
Ptnml(0-2): 729, 4954, 9940, 5162, 751
https://tests.stockfishchess.org/tests/view/
5ee008ebf29b40b0fc95ade2
LTC:
LLR: 2.94 (-2.94,2.94) {0.25,1.75}
Total: 37376 W: 4816 L: 4543 D: 28017
Ptnml(0-2): 259, 3329, 11286, 3508, 306
https://tests.stockfishchess.org/tests/view/
5ee03b06f29b40b0fc95ae0c
Closes https://github.com/official-stockfish/Stockfish/pull/2727
Bench: 4757174
Sami Kiminki [Fri, 5 Jun 2020 17:17:00 +0000]
Increase the maximum hash size by a factor of 256
Conceptually group hash clusters into super clusters of 256 clusters.
This scheme allows us to use hash sizes up to 32 TB
(= 2^32 super clusters = 2^40 clusters).
Use 48 bits of the Zobrist key to choose the cluster index. We use 8
extra bits to mitigate the quantization error for very large hashes when
scaling the hash key to cluster index.
The hash index computation is organized to be compatible with the existing
scheme for power-of-two hash sizes up to 128 GB.
Fixes https://github.com/official-stockfish/Stockfish/issues/1349
closes https://github.com/official-stockfish/Stockfish/pull/2722
Passed non-regression STC:
LLR: 2.93 (-2.94,2.94) {-1.50,0.50}
Total: 37976 W: 7336 L: 7211 D: 23429
Ptnml(0-2): 578, 4295, 9149, 4356, 610
https://tests.stockfishchess.org/tests/view/
5edcbaaef29b40b0fc95abc5
No functional change.
nguyenpham [Sun, 7 Jun 2020 22:49:27 +0000]
Improve Readme.md about compiling
Reparagraph, add an example how to compile on Unix-like systems
closes https://github.com/official-stockfish/Stockfish/pull/2724
No functional change
NguyenPham [Sun, 7 Jun 2020 21:48:38 +0000]
show coordinates when displaying board
closes https://github.com/official-stockfish/Stockfish/pull/2723
No functional change
protonspring [Mon, 1 Jun 2020 05:31:14 +0000]
Refactor some threads related code.
This is a code style change that moves some pure thread code into the threads class.
It is a bit more code, but it makes search.cpp cleaner and easier to read by hiding some thread specific functionality.
STC (SMP)
LLR: 2.93 (-2.94,2.94) {-1.50,0.50}
Total: 75896 W: 12073 L: 12026 D: 51797
Ptnml(0-2): 828, 8224, 19872, 8121, 903
https://tests.stockfishchess.org/tests/view/
5ed492e8f29b40b0fc95a74c
closes https://github.com/official-stockfish/Stockfish/pull/2720
No functional change.
protonspring [Sun, 7 Jun 2020 03:25:32 +0000]
Wrap all access to LineBB and add assert
This is a non-functional code style change which provides a safe access handler for LineBB.
Also includes an assert in debug mode to verify square correctness.
closes https://github.com/official-stockfish/Stockfish/pull/2719
No functional change
xoto10 [Wed, 3 Jun 2020 10:05:58 +0000]
join scale_factor, initiative and mg+eg reduction
Merging this code into one function `winnable()`.
Should allow common concepts used to adjust the eg value,
either by addition or scaling, to be combined more effectively.
Improve trace function.
closes https://github.com/official-stockfish/Stockfish/pull/2710
No functional change.
Fabian Fichter [Mon, 8 Jun 2020 20:53:08 +0000]
Tweak alfil piece value
shatranj STC
LLR: 2.97 (-2.94,2.94) [0.00,10.00]
Total: 5322 W: 544 L: 461 D: 4317
http://www.variantfishtest.org:6543/tests/view/
5ed36fd96e23db36d55f2cc5
shatranj LTC
LLR: 2.97 (-2.94,2.94) [0.00,10.00]
Total: 6331 W: 535 L: 453 D: 5343
http://www.variantfishtest.org:6543/tests/view/
5ed73ffe6e23db36d55f2d1b
Fabian Fichter [Sun, 7 Jun 2020 16:25:47 +0000]
Double PSQT for slow leapers
makruk STC
LLR: 2.99 (-2.94,2.94) [0.00,10.00]
Total: 634 W: 87 L: 28 D: 519
http://www.variantfishtest.org:6543/tests/view/
5edbeaa16e23db36d55f2d62
makruk LTC
LLR: 2.96 (-2.94,2.94) [0.00,10.00]
Total: 769 W: 89 L: 31 D: 649
http://www.variantfishtest.org:6543/tests/view/
5edca7656e23db36d55f2d8d
shatranj STC
LLR: 2.99 (-2.94,2.94) [0.00,10.00]
Total: 2884 W: 317 L: 245 D: 2322
http://www.variantfishtest.org:6543/tests/view/
5edbeac86e23db36d55f2d67
knightmate STC
LLR: 2.95 (-2.94,2.94) [0.00,10.00]
Total: 470 W: 171 L: 95 D: 204
http://www.variantfishtest.org:6543/tests/view/
5edc0c366e23db36d55f2d7e
Fabian Fichter [Sat, 6 Jun 2020 21:36:41 +0000]
Adjust pawn value based on promotion type
shatranj STC
LLR: 2.98 (-2.94,2.94) [0.00,10.00]
Total: 3802 W: 386 L: 311 D: 3105
http://www.variantfishtest.org:6543/tests/view/
5ed4336b6e23db36d55f2cf9
shatranj LTC
LLR: 2.97 (-2.94,2.94) [0.00,10.00]
Total: 2686 W: 230 L: 164 D: 2292
http://www.variantfishtest.org:6543/tests/view/
5ed81b436e23db36d55f2d3b
sittuyin STC
LLR: 2.98 (-2.94,2.94) [0.00,10.00]
Total: 1820 W: 168 L: 105 D: 1547
http://www.variantfishtest.org:6543/tests/view/
5ed73f8b6e23db36d55f2d19
sittuyin LTC
LLR: 2.96 (-2.94,2.94) [0.00,10.00]
Total: 2435 W: 158 L: 97 D: 2180
http://www.variantfishtest.org:6543/tests/view/
5ed81bb86e23db36d55f2d3e
pb00067 [Sat, 6 Jun 2020 10:56:38 +0000]
Use lowply-history also on low depths
STC:
https://tests.stockfishchess.org/tests/view/
5ed75078f29b40b0fc95a8b9
LLR: 2.93 (-2.94,2.94) {-0.50,1.50}
Total: 73928 W: 14301 L: 14005 D: 45622
Ptnml(0-2): 1243, 8572, 17096, 8752, 1301
LTC:
https://tests.stockfishchess.org/tests/view/
5ed895e0f29b40b0fc95a976
LLR: 2.93 (-2.94,2.94) {0.25,1.75}
Total: 154848 W: 19684 L: 19074 D: 116090
Ptnml(0-2): 1048, 14108, 46627, 14468, 1173
closes https://github.com/official-stockfish/Stockfish/pull/2718
bench: 4582693