1nbk4/1ppp2q1/5ppn/r1b5/P2PP2p/P1N2P1P/2PBB3/R3K1NR b Q - 0 23
FEN state: 1nbk4/1ppp2q1/5ppn/r1b5/P2PP2p/P1N2P1P/2PBB3/R3K1NR b Q - 0 23 ; Best move: c5d4
The current state of the chess board is: Black knight at b8, black bishop at c8 and black king at d8. Black pawn at b7, black pawn at c7, black pawn at d7 and black queen at g7. Black pawn at f6, black pawn at g6 and black knight at h6. Black rook at a5 and black bishop at c5. White pawn at a4, white pawn at d4, white pawn at e4 and black pawn at h4. White pawn at a3, white knight at c3, white pawn at f3 and white pawn at h3. White pawn at c2, white bishop at d2 and white bishop at e2. White rook at a1, white king at e1, white knight at g1 and white rook at h1. White queenside is the only castle move available. Half move number is 0. Full move number is 23. Black to move.