rnb1qbnr/2pp2p1/p3kp1p/1p6/PPP1pPP1/3PPQ2/RB3N1P/1N1K1B1R b - - 0 17
FEN state: rnb1qbnr/2pp2p1/p3kp1p/1p6/PPP1pPP1/3PPQ2/RB3N1P/1N1K1B1R b - - 0 17 ; Best move: e4f3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at c7, black pawn at d7 and black pawn at g7. Black pawn at a6, black king at e6, black pawn at f6 and black pawn at h6. Black pawn at b5. White pawn at a4, white pawn at b4, white pawn at c4, black pawn at e4, white pawn at f4 and white pawn at g4. White pawn at d3, white pawn at e3 and white queen at f3. White rook at a2, white bishop at b2, white knight at f2 and white pawn at h2. White knight at b1, white king at d1, white bishop at f1 and white rook at h1. Both players have exhausted their castles. Half move number is 0. Full move number is 17. Black to move.