rn3r1R/1bp5/p1k1pp2/3p4/1pP1q1P1/Q4PP1/PP1NP3/R1B1KBN1 w Q - 2 22
FEN state: rn3r1R/1bp5/p1k1pp2/3p4/1pP1q1P1/Q4PP1/PP1NP3/R1B1KBN1 w Q - 2 22 ; Best move: a3a4
The current state of the chess board is: Black rook at a8, black knight at b8, black rook at f8 and white rook at h8. Black bishop at b7 and black pawn at c7. Black pawn at a6, black king at c6, black pawn at e6 and black pawn at f6. Black pawn at d5. Black pawn at b4, white pawn at c4, black queen at e4 and white pawn at g4. White queen at a3, white pawn at f3 and white pawn at g3. White pawn at a2, white pawn at b2, white knight at d2 and white pawn at e2. White rook at a1, white bishop at c1, 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 2. Full move number is 22. White to move.