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86e5780f26
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tune: pst
- avoid bongcloud
- avoid knight on edge
- avoid f-g-h pawns moving
- avoid bishop to g5/b5
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2024-12-20 16:55:38 -05:00 |
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b0a662460a
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feat: better move ordering
use transposition table as the primary heuristic
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2024-12-20 16:25:03 -05:00 |
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68afcb232c
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feat: transposition table node types
engine seemingly faster now, so allow longer soft limit (as a treat)
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2024-12-20 16:01:05 -05:00 |
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ab1dfb3aa1
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tune: time limits for games longer than 5'
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2024-12-20 14:59:18 -05:00 |
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e44cc0586e
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feat: soft/hard time limit
achieved by refactoring engine/main/stdin into three separate threads.
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2024-12-20 13:25:37 -05:00 |
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6be00e642e
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refactor: use EngineState to structure data in the engine
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2024-12-18 23:52:39 -05:00 |
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1843c5c4c6
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build: update msrv to 1.83 and remove beta compiler
const &mut was stabilized.
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2024-12-06 19:58:44 -05:00 |
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ae3a23c61f
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tune: timing and pst
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2024-11-24 14:59:40 -05:00 |
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b9819a52e6
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tune: pst and transposition table
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2024-11-23 22:39:39 -05:00 |
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f415a9148c
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fix: wrong logic on skepticism
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2024-11-23 21:37:19 -05:00 |
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c494230706
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feat: skepticism
garbage mitigation for the horizon problem
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2024-11-23 21:17:20 -05:00 |
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e8cb125df9
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tune: piece square tables
make it not be as crazy
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2024-11-23 20:15:39 -05:00 |
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3dcd27013d
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feat: transposition table can now directly decide move
it's no longer just a suggestion
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2024-11-23 19:13:02 -05:00 |
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e79f19942e
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perf: zobrist table no longer compares hash before overwrites
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2024-11-23 18:51:49 -05:00 |
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8895770da6
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chore: fmt
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2024-11-23 18:43:36 -05:00 |
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af18600d15
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refactor: move to main.rs file and add prelude
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2024-11-23 18:42:36 -05:00 |
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5ef46b3e7a
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feat: basic time management
this commit is full of tech debt. but the engine can flag now
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2024-11-20 12:19:09 -05:00 |
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8075e19bee
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feat: basic transposition table
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2024-11-17 14:02:47 -05:00 |
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6b672f83dc
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feat: perft zobrist cache
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2024-11-17 13:07:44 -05:00 |
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36753f6ecb
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refactor: random
uses a rust 1.83 feature so that the const fn works better
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2024-11-17 10:19:05 -05:00 |
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71594051f5
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chore: fix warnings
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2024-11-16 21:56:53 -05:00 |
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4ca186b67e
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chore: fmt
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2024-11-16 21:55:56 -05:00 |
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7c55400fbf
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fix: random doctest
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2024-11-16 21:54:03 -05:00 |
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987ec7656f
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fix: alpha-beta test
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2024-11-16 21:53:32 -05:00 |
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30e20d1f66
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stub: zobrist hash
no transposition table yet, but if the hash works it's coming
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2024-11-16 21:36:39 -05:00 |
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bec310c182
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feat: iterative deepening
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2024-11-16 15:57:01 -05:00 |
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69dfa98bef
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fix: remove attempt at quiescence search
it does not help at all
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2024-11-15 21:59:15 -05:00 |
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d1506e4d6c
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feat: quiescence search, lvv-mva
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2024-11-04 14:08:29 -05:00 |
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0591f29c66
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feat: better endgame heuristics
it may or may not be able to deliver checkmate
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2024-11-04 11:41:30 -05:00 |
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c0e8766fee
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chore: README
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2024-11-03 11:49:05 -05:00 |
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1c4c158053
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perf: borrow in the evalscore piece changes
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2024-11-03 11:42:19 -05:00 |
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4b245e0421
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chore: silence warnings
and also move perft tests into its own file
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2024-11-03 11:32:13 -05:00 |
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b51dc87b2c
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fix: make promoting pawns more important
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2024-11-02 22:23:41 -04:00 |
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7d7a2531ad
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feat: tapered eval for endgame
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2024-11-02 22:16:21 -04:00 |
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da6b3f20f9
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test: alpha-beta results are the same as without
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2024-11-02 21:53:54 -04:00 |
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96b4816f84
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feat: some extra uci info about the best line, etc
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2024-11-02 19:33:29 -04:00 |
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b7b3c6c5b8
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fix: not going for checkmate
engine will now prioritize closer mates rather than continuously going
"ah i'll checkmate next move" then never checkkmating
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2024-11-02 16:05:04 -04:00 |
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b36faba3ef
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feat: piece square table
no tapered eval yet
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2024-11-02 14:45:57 -04:00 |
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9b447ca039
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refactor: simplify move gen public interface
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2024-11-01 21:58:38 -04:00 |
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60d084886f
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refactor: use Index/IndexMut instead of helper functions
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2024-11-01 21:46:53 -04:00 |
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8d5ea3de31
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perf: alpha-beta pruning
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2024-10-27 17:34:41 -04:00 |
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39d5ebc2b3
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fix: not escaping checkmates
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2024-10-26 21:05:51 -04:00 |
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7d0d81905e
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feat: basic basic search
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2024-10-26 19:53:20 -04:00 |
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5751215ffa
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feat: uci engine interface
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2024-10-26 18:25:07 -04:00 |
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3ebadf995f
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feat: move conversion to uci algebraic
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2024-10-26 16:48:51 -04:00 |
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420e32fe86
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feat: basic basic eval
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2024-10-26 16:43:06 -04:00 |
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c2dcba81b8
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chore: license
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2024-10-25 22:30:03 -04:00 |
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3dac0e4388
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refactor: make square idx size type a variable
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2024-10-25 22:02:30 -04:00 |
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a36aa3b0c6
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fix: compiler warnings
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2024-10-25 21:34:33 -04:00 |
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3ed7f315c8
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refactor: movegen
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2024-10-25 21:25:38 -04:00 |
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