4k1r1/3n2p1/1q1b4/pBp1p1pP/1p2p1n1/PP1P1N1R/2P2P2/R1BQK3 b Q - 1 18
FEN state: 4k1r1/3n2p1/1q1b4/pBp1p1pP/1p2p1n1/PP1P1N1R/2P2P2/R1BQK3 b Q - 1 18 ; Best move: c5c4
The current state of the chess board is: Black king at e8 and black rook at g8. Black knight at d7 and black pawn at g7. Black queen at b6 and black bishop at d6. Black pawn at a5, white bishop at b5, black pawn at c5, black pawn at e5, black pawn at g5 and white pawn at h5. Black pawn at b4, black pawn at e4 and black knight at g4. White pawn at a3, white pawn at b3, white pawn at d3, white knight at f3 and white rook at h3. White pawn at c2 and white pawn at f2. White rook at a1, white bishop at c1, white queen at d1 and white king at e1. White queenside is the only castle move available. Half move number is 1. Full move number is 18. Black to move.