rn1qk1n1/Q5b1/pp4pr/P2ppb2/R2NpB2/3P1p1P/1PP3B1/3K2NR w q - 12 22
FEN state: rn1qk1n1/Q5b1/pp4pr/P2ppb2/R2NpB2/3P1p1P/1PP3B1/3K2NR w q - 12 22 ; Best move: a7g7
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black king at e8 and black knight at g8. White queen at a7 and black bishop at g7. Black pawn at a6, black pawn at b6, black pawn at g6 and black rook at h6. White pawn at a5, black pawn at d5, black pawn at e5 and black bishop at f5. White rook at a4, white knight at d4, black pawn at e4 and white bishop at f4. White pawn at d3, black pawn at f3 and white pawn at h3. White pawn at b2, white pawn at c2 and white bishop at g2. White king at d1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 12. Full move number is 22. White to move.