Critter Chess
About
Critter is a UCI chess engine written by Richard Vida. It needs an user
interface like Arena. It
was developed using Delphi
2007, but should compile with FreePascal
too.
Latest release
Latest release version is 0.42. Binary and source downloads
are
available from
Internals
- Written in 100% pascal (no inline assembly)
- 0x88 board representation
- PVS search with aspiration window
- Null move reduction (R=3)
- Search extensions (check, single reply, pawn push)
- LMR and futility pruning
- Quiescent search with checks in firsty ply
- Killer moves and history heuristic
Contact
If you have any comments or bug reports, you can contact the author at
figyo_at_centrum.sk (replace _at_ with a @ sign)