1nb1qb1r/1rpkppp1/7n/3p4/1pP2PP1/1p1PP2P/P1Q3B1/RN2K1NR w KQ - 0 18
FEN state: 1nb1qb1r/1rpkppp1/7n/3p4/1pP2PP1/1p1PP2P/P1Q3B1/RN2K1NR w KQ - 0 18 ; Best move: a2b3
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at e8, black bishop at f8 and black rook at h8. Black rook at b7, black pawn at c7, black king at d7, black pawn at e7, black pawn at f7 and black pawn at g7. Black knight at h6. Black pawn at d5. Black pawn at b4, white pawn at c4, white pawn at f4 and white pawn at g4. Black pawn at b3, white pawn at d3, white pawn at e3 and white pawn at h3. White pawn at a2, white queen at c2 and white bishop at g2. White rook at a1, white knight at b1, white king at e1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 0. Full move number is 18. White to move.