3q2r1/1bp1pkbp/1P3p1n/3p1np1/rPB1N2P/4PP2/1B1Q2P1/1R2K1NR b K - 4 18
FEN state: 3q2r1/1bp1pkbp/1P3p1n/3p1np1/rPB1N2P/4PP2/1B1Q2P1/1R2K1NR b K - 4 18 ; Best move: d5c4
The current state of the chess board is: Black queen at d8 and black rook at g8. Black bishop at b7, black pawn at c7, black pawn at e7, black king at f7, black bishop at g7 and black pawn at h7. White pawn at b6, black pawn at f6 and black knight at h6. Black pawn at d5, black knight at f5 and black pawn at g5. Black rook at a4, white pawn at b4, white bishop at c4, white knight at e4 and white pawn at h4. White pawn at e3 and white pawn at f3. White bishop at b2, white queen at d2 and white pawn at g2. White rook at b1, 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 4. Full move number is 18. Black to move.