rnbq1bnr/4pkp1/p6p/1pp5/P1PppPP1/7P/1P1P3R/RNBQKBN1 w Q - 0 10
FEN state: rnbq1bnr/4pkp1/p6p/1pp5/P1PppPP1/7P/1P1P3R/RNBQKBN1 w Q - 0 10 ; Best move: f1g2
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at e7, black king at f7 and black pawn at g7. Black pawn at a6 and black pawn at h6. Black pawn at b5 and black pawn at c5. White pawn at a4, white pawn at c4, black pawn at d4, black pawn at e4, white pawn at f4 and white pawn at g4. White pawn at h3. White pawn at b2, white pawn at d2 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, white bishop at f1 and white knight at g1. White queenside is the only castle move available. Half move number is 0. Full move number is 10. White to move.