r1b1kbn1/3pp1r1/4np2/pBq4p/P5p1/1QP1PN2/3K1PPP/RNB3R1 w q - 1 17
FEN state: r1b1kbn1/3pp1r1/4np2/pBq4p/P5p1/1QP1PN2/3K1PPP/RNB3R1 w q - 1 17 ; Best move: f3d4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at d7, black pawn at e7 and black rook at g7. Black knight at e6 and black pawn at f6. Black pawn at a5, white bishop at b5, black queen at c5 and black pawn at h5. White pawn at a4 and black pawn at g4. White queen at b3, white pawn at c3, white pawn at e3 and white knight at f3. White king at d2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1 and white rook at g1. Black queenside is the only castle move available. Half move number is 1. Full move number is 17. White to move.