LL Chess

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LL Chess,
a chess program with focus on solving mates, written by Leonid Liberman in x86 assembly to run under DOS, last modified in May 2001, still in it's beta stage [1]. LL Chess represents the board as plain 8x8 mailbox. The search uses several brute-force and selective layers.

Positional Logic

The so called positional logic, the logic of material exchange between the two sides takes following point values into account, as given in Leonid's Chess Introduction [2].

Piece Score
Pawn 2000
Knight 4800
Bishop 4825
Rook 9100
Queen 18000
King 80000

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