r2qkbnr/1p2p1p1/n2p3p/p1p2p1b/5PP1/P2PP2Q/2P2KNP/RNB2B1R w kq - 4 13
FEN state: r2qkbnr/1p2p1p1/n2p3p/p1p2p1b/5PP1/P2PP2Q/2P2KNP/RNB2B1R w kq - 4 13 ; Best move: h3h5
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at e7 and black pawn at g7. Black knight at a6, black pawn at d6 and black pawn at h6. Black pawn at a5, black pawn at c5, black pawn at f5 and black bishop at h5. White pawn at f4 and white pawn at g4. White pawn at a3, white pawn at d3, white pawn at e3 and white queen at h3. White pawn at c2, white king at f2, white knight at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white bishop at f1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 4. Full move number is 13. White to move.