r2q1bnr/1b2pk1p/pp5P/2p3pn/2PP1PP1/PP4pB/2QPN3/R1B1K1N1 w Q - 0 19
FEN state: r2q1bnr/1b2pk1p/pp5P/2p3pn/2PP1PP1/PP4pB/2QPN3/R1B1K1N1 w Q - 0 19 ; Best move: f4g5
The current state of the chess board is: Black rook at a8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black bishop at b7, black pawn at e7, black king at f7 and black pawn at h7. Black pawn at a6, black pawn at b6 and white pawn at h6. Black pawn at c5, black pawn at g5 and black knight at h5. White pawn at c4, white pawn at d4, white pawn at f4 and white pawn at g4. White pawn at a3, white pawn at b3, black pawn at g3 and white bishop at h3. White queen at c2, white pawn at d2 and white knight at e2. White rook at a1, white bishop at c1, white king at e1 and white knight at g1. White queenside is the only castle move available. Half move number is 0. Full move number is 19. White to move.