r1b2Nn1/pp2pk2/2n4r/3p1Ppp/1p1q4/P4P1P/2PP2P1/R1BQKBNR b K - 0 13
FEN state: r1b2Nn1/pp2pk2/2n4r/3p1Ppp/1p1q4/P4P1P/2PP2P1/R1BQKBNR b K - 0 13 ; Best move: d4h4
The current state of the chess board is: Black rook at a8, black bishop at c8, white knight at f8 and black knight at g8. Black pawn at a7, black pawn at b7, black pawn at e7 and black king at f7. Black knight at c6 and black rook at h6. Black pawn at d5, white pawn at f5, black pawn at g5 and black pawn at h5. Black pawn at b4 and black queen at d4. White pawn at a3, white pawn at f3 and white pawn at h3. White pawn at c2, white pawn at d2 and white pawn at g2. White rook at a1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 13. Black to move.