r1b1k1nr/p1p4p/4pQpP/1pPp4/1n6/2N3P1/PP1PP3/R1B1KBNR w Q - 3 18
FEN state: r1b1k1nr/p1p4p/4pQpP/1pPp4/1n6/2N3P1/PP1PP3/R1B1KBNR w Q - 3 18 ; Best move: f6h8
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7 and black pawn at h7. Black pawn at e6, white queen at f6, black pawn at g6 and white pawn at h6. Black pawn at b5, white pawn at c5 and black pawn at d5. Black knight at b4. White knight at c3 and white pawn at g3. White pawn at a2, white pawn at b2, white pawn at d2 and white pawn at e2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White queenside is the only castle move available. Half move number is 3. Full move number is 18. White to move.