rnb4r/pp2q2p/3ppk1n/3P1pp1/P1p1PP1P/P2R4/2P1N1P1/RNBQK3 w Q - 1 15
FEN state: rnb4r/pp2q2p/3ppk1n/3P1pp1/P1p1PP1P/P2R4/2P1N1P1/RNBQK3 w Q - 1 15 ; Best move: f4g5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8 and black rook at h8. Black pawn at a7, black pawn at b7, black queen at e7 and black pawn at h7. Black pawn at d6, black pawn at e6, black king at f6 and black knight at h6. White pawn at d5, black pawn at f5 and black pawn at g5. White pawn at a4, black pawn at c4, white pawn at e4, white pawn at f4 and white pawn at h4. White pawn at a3 and white rook at d3. White pawn at c2, white knight at e2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1 and white king at e1. White queenside is the only castle move available. Half move number is 1. Full move number is 15. White to move.