r1bq2kr/1p1pb1p1/np2p2Q/2p2p1p/2PPnP2/4P2N/PPN3PP/R3KBR1 w Q - 3 15
FEN state: r1bq2kr/1p1pb1p1/np2p2Q/2p2p1p/2PPnP2/4P2N/PPN3PP/R3KBR1 w Q - 3 15 ; Best move: h6g6
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at g8 and black rook at h8. Black pawn at b7, black pawn at d7, black bishop at e7 and black pawn at g7. Black knight at a6, black pawn at b6, black pawn at e6 and white queen at h6. Black pawn at c5, black pawn at f5 and black pawn at h5. White pawn at c4, white pawn at d4, black knight at e4 and white pawn at f4. White pawn at e3 and white knight at h3. White pawn at a2, white pawn at b2, white knight at c2, white pawn at g2 and white pawn at h2. White rook at a1, white king at e1, white bishop at f1 and white rook at g1. White queenside is the only castle move available. Half move number is 3. Full move number is 15. White to move.