1rb3nr/1ppp4/p1n1kp1p/5qpQ/1bPp2P1/PPN2P1P/4P1B1/R2K2R1 b - - 5 18
FEN state: 1rb3nr/1ppp4/p1n1kp1p/5qpQ/1bPp2P1/PPN2P1P/4P1B1/R2K2R1 b - - 5 18 ; Best move: f5f4
The current state of the chess board is: Black rook at b8, black bishop at c8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at c7 and black pawn at d7. Black pawn at a6, black knight at c6, black king at e6, black pawn at f6 and black pawn at h6. Black queen at f5, black pawn at g5 and white queen at h5. Black bishop at b4, white pawn at c4, black pawn at d4 and white pawn at g4. White pawn at a3, white pawn at b3, white knight at c3, white pawn at f3 and white pawn at h3. White pawn at e2 and white bishop at g2. White rook at a1, white king at d1 and white rook at g1. Both players have exhausted their castles. Half move number is 5. Full move number is 18. Black to move.