1nbq4/r1pp1k2/3b1prn/pp1Pp2p/4P1P1/PP5P/2PNB1P1/R1BQK1NR w Q - 0 15
FEN state: 1nbq4/r1pp1k2/3b1prn/pp1Pp2p/4P1P1/PP5P/2PNB1P1/R1BQK1NR w Q - 0 15 ; Best move: g4g5
The current state of the chess board is: Black knight at b8, black bishop at c8 and black queen at d8. Black rook at a7, black pawn at c7, black pawn at d7 and black king at f7. Black bishop at d6, black pawn at f6, black rook at g6 and black knight at h6. Black pawn at a5, black pawn at b5, white pawn at d5, black pawn at e5 and black pawn at h5. White pawn at e4 and white pawn at g4. White pawn at a3, white pawn at b3 and white pawn at h3. White pawn at c2, white knight at d2, white bishop at e2 and white pawn at g2. White rook at a1, white bishop at c1, white queen at d1, white king at e1, white knight at g1 and white rook at h1. White queenside is the only castle move available. Half move number is 0. Full move number is 15. White to move.