r1bk1bn1/2p2r2/n2P1pp1/p4P2/2q4p/1N1P2PP/NP2P3/1RBQKB1R b K - 6 23
FEN state: r1bk1bn1/2p2r2/n2P1pp1/p4P2/2q4p/1N1P2PP/NP2P3/1RBQKB1R b K - 6 23 ; Best move: c4c6
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8, black bishop at f8 and black knight at g8. Black pawn at c7 and black rook at f7. Black knight at a6, white pawn at d6, black pawn at f6 and black pawn at g6. Black pawn at a5 and white pawn at f5. Black queen at c4 and black pawn at h4. White knight at b3, white pawn at d3, white pawn at g3 and white pawn at h3. White knight at a2, white pawn at b2 and white pawn at e2. White rook at b1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 6. Full move number is 23. Black to move.