r1bq1b1r/p2ppkpp/np5n/2p2pP1/5PNP/P3P2B/RPPP4/1NBQK2R w K - 1 13
FEN state: r1bq1b1r/p2ppkpp/np5n/2p2pP1/5PNP/P3P2B/RPPP4/1NBQK2R w K - 1 13 ; Best move: g4h6
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at d7, black pawn at e7, black king at f7, black pawn at g7 and black pawn at h7. Black knight at a6, black pawn at b6 and black knight at h6. Black pawn at c5, black pawn at f5 and white pawn at g5. White pawn at f4, white knight at g4 and white pawn at h4. White pawn at a3, white pawn at e3 and white bishop at h3. White rook at a2, white pawn at b2, white pawn at c2 and white pawn at d2. White knight at b1, white bishop at c1, white queen at d1, white king at e1 and white rook at h1. White kingside is the only castle move available. Half move number is 1. Full move number is 13. White to move.