r1q1kbnr/p1p5/bn2p2p/3p1pp1/p3PPQ1/P1PP3N/1B3KPP/R4B1R w kq - 0 18
FEN state: r1q1kbnr/p1p5/bn2p2p/3p1pp1/p3PPQ1/P1PP3N/1B3KPP/R4B1R w kq - 0 18 ; Best move: g4h5
The current state of the chess board is: Black rook at a8, black queen at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7 and black pawn at c7. Black bishop at a6, black knight at b6, black pawn at e6 and black pawn at h6. Black pawn at d5, black pawn at f5 and black pawn at g5. Black pawn at a4, white pawn at e4, white pawn at f4 and white queen at g4. White pawn at a3, white pawn at c3, white pawn at d3 and white knight at h3. White bishop at b2, white king at f2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at f1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 18. White to move.