1nb1kbr1/3p2pp/1pp5/1p1npp1q/1PP2PP1/BQ1P1N1P/P3P2R/R3KB2 w Q - 2 15
FEN state: 1nb1kbr1/3p2pp/1pp5/1p1npp1q/1PP2PP1/BQ1P1N1P/P3P2R/R3KB2 w Q - 2 15 ; Best move: g4h5
The current state of the chess board is: Black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at d7, black pawn at g7 and black pawn at h7. Black pawn at b6 and black pawn at c6. Black pawn at b5, black knight at d5, black pawn at e5, black pawn at f5 and black queen at h5. White pawn at b4, white pawn at c4, white pawn at f4 and white pawn at g4. White bishop at a3, white queen at b3, white pawn at d3, white knight at f3 and white pawn at h3. White pawn at a2, white pawn at e2 and white rook at h2. White rook at a1, white king at e1 and white bishop at f1. White queenside is the only castle move available. Half move number is 2. Full move number is 15. White to move.