r2q1rk1/pb3pb1/np2pn1p/2p5/1Q1p1PPp/N2P4/PPPBPK2/R4BNR b - - 5 17
FEN state: r2q1rk1/pb3pb1/np2pn1p/2p5/1Q1p1PPp/N2P4/PPPBPK2/R4BNR b - - 5 17 ; Best move: f6g4
The current state of the chess board is: Black rook at a8, black queen at d8, black rook at f8 and black king at g8. Black pawn at a7, black bishop at b7, black pawn at f7 and black bishop at g7. Black knight at a6, black pawn at b6, black pawn at e6, black knight at f6 and black pawn at h6. Black pawn at c5. White queen at b4, black pawn at d4, white pawn at f4, white pawn at g4 and black pawn at h4. White knight at a3 and white pawn at d3. White pawn at a2, white pawn at b2, white pawn at c2, white bishop at d2, white pawn at e2 and white king at f2. White rook at a1, white bishop at f1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 5. Full move number is 17. Black to move.