r1bqk3/ppp2rpp/1n3p2/2P5/1PBppb2/PQ5N/3B1PP1/RN1K2R1 w q - 7 21
FEN state: r1bqk3/ppp2rpp/1n3p2/2P5/1PBppb2/PQ5N/3B1PP1/RN1K2R1 w q - 7 21 ; Best move: c4f7
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8 and black king at e8. Black pawn at a7, black pawn at b7, black pawn at c7, black rook at f7, black pawn at g7 and black pawn at h7. Black knight at b6 and black pawn at f6. White pawn at c5. White pawn at b4, white bishop at c4, black pawn at d4, black pawn at e4 and black bishop at f4. White pawn at a3, white queen at b3 and white knight at h3. White bishop at d2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white king at d1 and white rook at g1. Black queenside is the only castle move available. Half move number is 7. Full move number is 21. White to move.