2bqkbr1/1p2p3/rnp2np1/p2N3p/3PPp2/PP3PP1/RBP3BP/3QK1NR w K - 1 13
FEN state: 2bqkbr1/1p2p3/rnp2np1/p2N3p/3PPp2/PP3PP1/RBP3BP/3QK1NR w K - 1 13 ; Best move: d5f4
The current state of the chess board is: Black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at b7 and black pawn at e7. Black rook at a6, black knight at b6, black pawn at c6, black knight at f6 and black pawn at g6. Black pawn at a5, white knight at d5 and black pawn at h5. White pawn at d4, white pawn at e4 and black pawn at f4. White pawn at a3, white pawn at b3, white pawn at f3 and white pawn at g3. White rook at a2, white bishop at b2, white pawn at c2, white bishop at g2 and white pawn at h2. White queen at d1, white king at e1, white knight at g1 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.