1r2kbr1/p2bqNpp/2npp3/1pp4P/5P2/PPP2P2/R1QPP3/1NB1KBR1 b - - 0 17
FEN state: 1r2kbr1/p2bqNpp/2npp3/1pp4P/5P2/PPP2P2/R1QPP3/1NB1KBR1 b - - 0 17 ; Best move: e7h4
The current state of the chess board is: Black rook at b8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at a7, black bishop at d7, black queen at e7, white knight at f7, black pawn at g7 and black pawn at h7. Black knight at c6, black pawn at d6 and black pawn at e6. Black pawn at b5, black pawn at c5 and white pawn at h5. White pawn at f4. White pawn at a3, white pawn at b3, white pawn at c3 and white pawn at f3. White rook at a2, white queen at c2, white pawn at d2 and white pawn at e2. White knight at b1, white bishop at c1, white king at e1, white bishop at f1 and white rook at g1. Both players have exhausted their castles. Half move number is 0. Full move number is 17. Black to move.