rnr5/1ppb1ppp/p1k5/2bpp3/1P2PNn1/P6B/2PPNP1P/R1B1K1R1 w Q - 2 17
FEN state: rnr5/1ppb1ppp/p1k5/2bpp3/1P2PNn1/P6B/2PPNP1P/R1B1K1R1 w Q - 2 17 ; Best move: e4d5
The current state of the chess board is: Black rook at a8, black knight at b8 and black rook at c8. Black pawn at b7, black pawn at c7, black bishop at d7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at a6 and black king at c6. Black bishop at c5, black pawn at d5 and black pawn at e5. White pawn at b4, white pawn at e4, white knight at f4 and black knight at g4. White pawn at a3 and white bishop at h3. White pawn at c2, white pawn at d2, white knight at e2, white pawn at f2 and white pawn at h2. White rook at a1, white bishop at c1, white king at e1 and white rook at g1. White queenside is the only castle move available. Half move number is 2. Full move number is 17. White to move.