r4bnr/p1qbpk1p/nppp4/3P1pp1/4PB2/P1N2PKN/1PP3PP/RQ3B1R b - - 2 17
FEN state: r4bnr/p1qbpk1p/nppp4/3P1pp1/4PB2/P1N2PKN/1PP3PP/RQ3B1R b - - 2 17 ; Best move: g5f4
The current state of the chess board is: Black rook at a8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black queen at c7, black bishop at d7, black pawn at e7, black king at f7 and black pawn at h7. Black knight at a6, black pawn at b6, black pawn at c6 and black pawn at d6. White pawn at d5, black pawn at f5 and black pawn at g5. White pawn at e4 and white bishop at f4. White pawn at a3, white knight at c3, white pawn at f3, white king at g3 and white knight at h3. White pawn at b2, white pawn at c2, white pawn at g2 and white pawn at h2. White rook at a1, white queen at b1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 2. Full move number is 17. Black to move.