r1b1kb2/p2pp2r/p6p/5P2/1qp5/P1PP1KPp/1B6/RNQ3NR w q - 0 17
FEN state: r1b1kb2/p2pp2r/p6p/5P2/1qp5/P1PP1KPp/1B6/RNQ3NR w q - 0 17 ; Best move: c3b4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black bishop at f8. Black pawn at a7, black pawn at d7, black pawn at e7 and black rook at h7. Black pawn at a6 and black pawn at h6. White pawn at f5. Black queen at b4 and black pawn at c4. White pawn at a3, white pawn at c3, white pawn at d3, white king at f3, white pawn at g3 and black pawn at h3. White bishop at b2. White rook at a1, white knight at b1, white queen at c1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 17. White to move.