rn1qkb2/1p1bpp1r/3p1np1/p1p4p/PP2P1PP/2NB4/2PPKP2/R1BQ2NR w q - 2 9
FEN state: rn1qkb2/1p1bpp1r/3p1np1/p1p4p/PP2P1PP/2NB4/2PPKP2/R1BQ2NR w q - 2 9 ; Best move: b4c5
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black king at e8 and black bishop at f8. Black pawn at b7, black bishop at d7, black pawn at e7, black pawn at f7 and black rook at h7. Black pawn at d6, black knight at f6 and black pawn at g6. Black pawn at a5, black pawn at c5 and black pawn at h5. White pawn at a4, white pawn at b4, white pawn at e4, white pawn at g4 and white pawn at h4. White knight at c3 and white bishop at d3. White pawn at c2, white pawn at d2, white king at e2 and white pawn at f2. White rook at a1, white bishop at c1, white queen at d1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 2. Full move number is 9. White to move.