r1b3nr/p1Q4p/1p2qk1P/n4p2/4pp2/NPP1P1P1/1B1P2B1/R3K1NR b K - 0 18
FEN state: r1b3nr/p1Q4p/1p2qk1P/n4p2/4pp2/NPP1P1P1/1B1P2B1/R3K1NR b K - 0 18 ; Best move: c8d7
The current state of the chess board is: Black rook at a8, black bishop at c8, black knight at g8 and black rook at h8. Black pawn at a7, white queen at c7 and black pawn at h7. Black pawn at b6, black queen at e6, black king at f6 and white pawn at h6. Black knight at a5 and black pawn at f5. Black pawn at e4 and black pawn at f4. White knight at a3, white pawn at b3, white pawn at c3, white pawn at e3 and white pawn at g3. White bishop at b2, white pawn at d2 and white bishop at g2. White rook at a1, white king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 18. Black to move.