b1rqkbn1/p1pppp2/2n5/1p4pp/QP2Pr1P/N1P5/P2P1PPR/R1B1KBN1 w Q - 9 13
FEN state: b1rqkbn1/p1pppp2/2n5/1p4pp/QP2Pr1P/N1P5/P2P1PPR/R1B1KBN1 w Q - 9 13 ; Best move: a4c2
The current state of the chess board is: Black bishop at a8, black rook at c8, black queen at d8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at c7, black pawn at d7, black pawn at e7 and black pawn at f7. Black knight at c6. Black pawn at b5, black pawn at g5 and black pawn at h5. White queen at a4, white pawn at b4, white pawn at e4, black rook at f4 and white pawn at h4. White knight at a3 and white pawn at c3. White pawn at a2, white pawn at d2, white pawn at f2, white pawn at g2 and white rook at h2. 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 9. Full move number is 13. White to move.