r1b1r3/p1q2p1p/np1kpb2/2pp2p1/P2PP2P/NPP1Q1PB/4NP2/R3K2R b Q - 4 24
FEN state: r1b1r3/p1q2p1p/np1kpb2/2pp2p1/P2PP2P/NPP1Q1PB/4NP2/R3K2R b Q - 4 24 ; Best move: c5d4
The current state of the chess board is: Black rook at a8, black bishop at c8 and black rook at e8. Black pawn at a7, black queen at c7, black pawn at f7 and black pawn at h7. Black knight at a6, black pawn at b6, black king at d6, black pawn at e6 and black bishop at f6. Black pawn at c5, black pawn at d5 and black pawn at g5. White pawn at a4, white pawn at d4, white pawn at e4 and white pawn at h4. White knight at a3, white pawn at b3, white pawn at c3, white queen at e3, white pawn at g3 and white bishop at h3. White knight at e2 and white pawn at f2. White rook at a1, white king at e1 and white rook at h1. White queenside is the only castle move available. Half move number is 4. Full move number is 24. Black to move.