rn1k2nN/1b1p3p/8/pPqP4/5p1b/PQ4P1/4P2P/RNB1KBR1 b Q - 1 23
FEN state: rn1k2nN/1b1p3p/8/pPqP4/5p1b/PQ4P1/4P2P/RNB1KBR1 b Q - 1 23 ; Best move: c5c1
The current state of the chess board is: Black rook at a8, black knight at b8, black king at d8, black knight at g8 and white knight at h8. Black bishop at b7, black pawn at d7 and black pawn at h7. Black pawn at a5, white pawn at b5, black queen at c5 and white pawn at d5. Black pawn at f4 and black bishop at h4. White pawn at a3, white queen at b3 and white pawn at g3. White pawn at e2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white bishop at f1 and white rook at g1. White queenside is the only castle move available. Half move number is 1. Full move number is 23. Black to move.