1nb2Q2/3kq2p/4pp2/Npnp3P/p1p5/P1P4R/3NPPP1/R1B1KB2 w Q - 1 23
FEN state: 1nb2Q2/3kq2p/4pp2/Npnp3P/p1p5/P1P4R/3NPPP1/R1B1KB2 w Q - 1 23 ; Best move: f8e7
The current state of the chess board is: Black knight at b8, black bishop at c8 and white queen at f8. Black king at d7, black queen at e7 and black pawn at h7. Black pawn at e6 and black pawn at f6. White knight at a5, black pawn at b5, black knight at c5, black pawn at d5 and white pawn at h5. Black pawn at a4 and black pawn at c4. White pawn at a3, white pawn at c3 and white rook at h3. White knight at d2, white pawn at e2, white pawn at f2 and white pawn at g2. White rook at a1, white bishop at c1, white king at e1 and white bishop at f1. White queenside is the only castle move available. Half move number is 1. Full move number is 23. White to move.