elldritch/chess

A UCI engine written in Haskell

chess

An other UCI engine written in Haskell

This program is still in an early stage, but we managed to beat pyChess at its strongest setting.

The game PGN:

[Event "Local Event"]
[Site "Local Site"]
[Date "2014.07.27"]
[Round "1"]
[White "Chess"]
[Black "PyChess 0.10.1"]
[Result "1-0"]
[TimeControl "900+5"]
[Time "10:16:00"]
[WhiteClock "0:00:19.138"]
[BlackClock "0:12:44.121"]
[PlyCount "43"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. Bb5+ Bd7 5. Bxd7+ Nbxd7 6. O-O h6 7. d4 cxd4
8. Nxd4 e5 9. Nf5 Nc5 10. Re1 h5 11. Bg5 Qb8 12. Bxf6 gxf6 13. Nb5 Qd8 14. b4
Nxe4 15. Rxe4 d5 16. Qxd5 Qxd5 17. Nc7+ Kd7 18. Nxd5 Rb8 19. Rd1 Ke6 20. Nde7
Rd8 21. Rxd8 b6 22. Rd6# 1-0

Haddock

The auto generated haskell code documentation lives on http://phaul.github.io/chess/. This is manually regenerated from time to time, and might not reflect the latest code base.

Testing

The STS run with depth set to 4. Total score for STS1-10: 4117, STS1-14: 5478. This equates to an ELO estimate of 1403.

STS	Score	Test
STS1	342	Undermine
STS2	413	Open Files and Diagonals
STS3	396	Knight Outposts/Repositioning/Centralization
STS4	377	Square Vacancy
STS5	532	Bishop vs Knight
STS6	648	Recapturing
STS7	348	Simplification
STS8	244	AKPC
STS9	196	Advancement of a/b/c pawns
STS10	621	Simplification
STS11	244	King Activity
STS12	347	Center Control
STS13	330	Pawn Play in the Center
STS14	440	7th Rank

---