rnbq1b2/2ppnk1r/1p3pp1/p3p1Pp/2P2P1P/P4B2/1P1PP2R/RNBQK1N1 w Q - 2 10
FEN state: rnbq1b2/2ppnk1r/1p3pp1/p3p1Pp/2P2P1P/P4B2/1P1PP2R/RNBQK1N1 w Q - 2 10 ; Best move: f3a8
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8 and black bishop at f8. Black pawn at c7, black pawn at d7, black knight at e7, black king at f7 and black rook at h7. Black pawn at b6, black pawn at f6 and black pawn at g6. Black pawn at a5, black pawn at e5, white pawn at g5 and black pawn at h5. White pawn at c4, white pawn at f4 and white pawn at h4. White pawn at a3 and white bishop at f3. White pawn at b2, white pawn at d2, white pawn at e2 and white rook at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white king at e1 and white knight at g1. White queenside is the only castle move available. Half move number is 2. Full move number is 10. White to move.