rn1k2nr/1ppb1pp1/p3pq1p/6B1/1b1p1PPP/2PP3N/P2NP3/R2QKB1R w Q - 2 13
FEN state: rn1k2nr/1ppb1pp1/p3pq1p/6B1/1b1p1PPP/2PP3N/P2NP3/R2QKB1R w Q - 2 13 ; Best move: g5f6
The current state of the chess board is: Black rook at a8, black knight at b8, black king at d8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at c7, black bishop at d7, black pawn at f7 and black pawn at g7. Black pawn at a6, black pawn at e6, black queen at f6 and black pawn at h6. White bishop at g5. Black bishop at b4, black pawn at d4, white pawn at f4, white pawn at g4 and white pawn at h4. White pawn at c3, white pawn at d3 and white knight at h3. White pawn at a2, white knight at d2 and white pawn at e2. White rook at a1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White queenside is the only castle move available. Half move number is 2. Full move number is 13. White to move.