/*------------------------------------------------------*\
|       _                                                |
|      (_)      ____ _ _    ____ _                       |
|     (___)    / ___(_) |_ / ___| |__   ___  ___ ___     |
|     _|_|    | |  _| | __| |   | '_ \ / _ \/ __/ __|    |
|    (_____)  | |_| | | |_| |___| | | |  __/\__ \__ \    |
|    /_____\   \____|_|\__|\____|_| |_|\___||___/___/    |
|                                                        |
|________________________________________________________|
|                                                        |
|           Antonio Pelusi              V. 1.0           |
|                                                        |
\*------------------------------------------------------*/

Just a git chess engine.

Elo: ~1900

Features:

• bitboard board representation
• pre-calculated attack tables
• magic bitboards for sliding pieces
• encoding moves as integers
• copy/make approach for making moves
• negamax search with alpha beta pruning
• PV/killer/history move ordering
• iterative deepening
• PVS (Principle Variation Search)
• LMR (Late Move Reduction)
• NMP (Null Move Pruning)
• Transposition table (20MB fixed size)
• Material/PST (Positional Square Tables) evaluation
• Double/isolated/passed pawns evaluation
• Bishop & Queen mobility evaluation
• king safety evaluation
• UCI protocol
• dynamic hash memory allocation
• tapered evaluation

Links:

ChessProgramming Wiki