1n2kbn1/p2pqp1r/bQ3p2/1pp5/4B1p1/N1P1p2P/PP3P2/R3K1NR w KQ - 1 18
FEN state: 1n2kbn1/p2pqp1r/bQ3p2/1pp5/4B1p1/N1P1p2P/PP3P2/R3K1NR w KQ - 1 18 ; Best move: b6b8
The current state of the chess board is: Black knight at b8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at d7, black queen at e7, black pawn at f7 and black rook at h7. Black bishop at a6, white queen at b6 and black pawn at f6. Black pawn at b5 and black pawn at c5. White bishop at e4 and black pawn at g4. White knight at a3, white pawn at c3, black pawn at e3 and white pawn at h3. White pawn at a2, white pawn at b2 and white pawn at f2. White rook at a1, 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 1. Full move number is 18. White to move.