r1bk1nnr/p1q1b1pp/3p1p2/1pp1p1N1/1P2P1PP/PQP5/R2P1P2/1NB1KB1R w K - 1 13
FEN state: r1bk1nnr/p1q1b1pp/3p1p2/1pp1p1N1/1P2P1PP/PQP5/R2P1P2/1NB1KB1R w K - 1 13 ; Best move: g5f7
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8, black knight at f8, black knight at g8 and black rook at h8. Black pawn at a7, black queen at c7, black bishop at e7, black pawn at g7 and black pawn at h7. Black pawn at d6 and black pawn at f6. Black pawn at b5, black pawn at c5, black pawn at e5 and white knight at g5. White pawn at b4, white pawn at e4, white pawn at g4 and white pawn at h4. White pawn at a3, white queen at b3 and white pawn at c3. White rook at a2, white pawn at d2 and white pawn at f2. White knight at b1, white bishop at c1, white king at e1, white bishop at f1 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.