5a85cecea3
docs: branch info
2024-12-21 21:51:39 -05:00
3dcdb892ab
refactor: remove many transposition entry fields
...
seemingly having a smaller transposition table entry makes the engine
way faster (for example, position startpos - go now gets a depth of 6
compared to 5 before)
2024-12-21 21:23:08 -05:00
4ee30bd278
feat: recapture extension
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"quiescence" search
2024-12-20 22:50:35 -05:00
86e5780f26
tune: pst
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- avoid bongcloud
- avoid knight on edge
- avoid f-g-h pawns moving
- avoid bishop to g5/b5
2024-12-20 16:55:38 -05:00
b0a662460a
feat: better move ordering
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use transposition table as the primary heuristic
2024-12-20 16:25:03 -05:00
68afcb232c
feat: transposition table node types
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engine seemingly faster now, so allow longer soft limit (as a treat)
2024-12-20 16:01:05 -05:00
ab1dfb3aa1
tune: time limits for games longer than 5'
2024-12-20 14:59:18 -05:00
e44cc0586e
feat: soft/hard time limit
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achieved by refactoring engine/main/stdin into three separate threads.
2024-12-20 13:25:37 -05:00
6be00e642e
refactor: use EngineState to structure data in the engine
2024-12-18 23:52:39 -05:00
1843c5c4c6
build: update msrv to 1.83 and remove beta compiler
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const &mut was stabilized.
2024-12-06 19:58:44 -05:00
ae3a23c61f
tune: timing and pst
2024-11-24 14:59:40 -05:00
b9819a52e6
tune: pst and transposition table
2024-11-23 22:39:39 -05:00
f415a9148c
fix: wrong logic on skepticism
2024-11-23 21:37:19 -05:00
c494230706
feat: skepticism
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garbage mitigation for the horizon problem
2024-11-23 21:17:20 -05:00
e8cb125df9
tune: piece square tables
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make it not be as crazy
2024-11-23 20:15:39 -05:00
3dcd27013d
feat: transposition table can now directly decide move
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it's no longer just a suggestion
2024-11-23 19:13:02 -05:00
e79f19942e
perf: zobrist table no longer compares hash before overwrites
2024-11-23 18:51:49 -05:00
8895770da6
chore: fmt
2024-11-23 18:43:36 -05:00
af18600d15
refactor: move to main.rs file and add prelude
2024-11-23 18:42:36 -05:00
5ef46b3e7a
feat: basic time management
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this commit is full of tech debt. but the engine can flag now
2024-11-20 12:19:09 -05:00
8075e19bee
feat: basic transposition table
2024-11-17 14:02:47 -05:00
6b672f83dc
feat: perft zobrist cache
2024-11-17 13:07:44 -05:00
36753f6ecb
refactor: random
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uses a rust 1.83 feature so that the const fn works better
2024-11-17 10:19:05 -05:00
71594051f5
chore: fix warnings
2024-11-16 21:56:53 -05:00
4ca186b67e
chore: fmt
2024-11-16 21:55:56 -05:00
7c55400fbf
fix: random doctest
2024-11-16 21:54:03 -05:00
987ec7656f
fix: alpha-beta test
2024-11-16 21:53:32 -05:00
30e20d1f66
stub: zobrist hash
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no transposition table yet, but if the hash works it's coming
2024-11-16 21:36:39 -05:00
bec310c182
feat: iterative deepening
2024-11-16 15:57:01 -05:00
69dfa98bef
fix: remove attempt at quiescence search
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it does not help at all
2024-11-15 21:59:15 -05:00
d1506e4d6c
feat: quiescence search, lvv-mva
2024-11-04 14:08:29 -05:00
0591f29c66
feat: better endgame heuristics
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it may or may not be able to deliver checkmate
2024-11-04 11:41:30 -05:00
c0e8766fee
chore: README
2024-11-03 11:49:05 -05:00
1c4c158053
perf: borrow in the evalscore piece changes
2024-11-03 11:42:19 -05:00
4b245e0421
chore: silence warnings
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and also move perft tests into its own file
2024-11-03 11:32:13 -05:00
b51dc87b2c
fix: make promoting pawns more important
2024-11-02 22:23:41 -04:00
7d7a2531ad
feat: tapered eval for endgame
2024-11-02 22:16:21 -04:00
da6b3f20f9
test: alpha-beta results are the same as without
2024-11-02 21:53:54 -04:00
96b4816f84
feat: some extra uci info about the best line, etc
2024-11-02 19:33:29 -04:00
b7b3c6c5b8
fix: not going for checkmate
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engine will now prioritize closer mates rather than continuously going
"ah i'll checkmate next move" then never checkkmating
2024-11-02 16:05:04 -04:00
b36faba3ef
feat: piece square table
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no tapered eval yet
2024-11-02 14:45:57 -04:00
9b447ca039
refactor: simplify move gen public interface
2024-11-01 21:58:38 -04:00
60d084886f
refactor: use Index/IndexMut instead of helper functions
2024-11-01 21:46:53 -04:00
8d5ea3de31
perf: alpha-beta pruning
2024-10-27 17:34:41 -04:00
39d5ebc2b3
fix: not escaping checkmates
2024-10-26 21:05:51 -04:00
7d0d81905e
feat: basic basic search
2024-10-26 19:53:20 -04:00
5751215ffa
feat: uci engine interface
2024-10-26 18:25:07 -04:00
3ebadf995f
feat: move conversion to uci algebraic
2024-10-26 16:48:51 -04:00
420e32fe86
feat: basic basic eval
2024-10-26 16:43:06 -04:00
c2dcba81b8
chore: license
2024-10-25 22:30:03 -04:00
