rnq1kbn1/pp1bp1p1/2p1Q3/3P1p2/2N5/5P1r/PP1PP1PP/R1B1KBNR w KQ - 0 10
FEN state: rnq1kbn1/pp1bp1p1/2p1Q3/3P1p2/2N5/5P1r/PP1PP1PP/R1B1KBNR w KQ - 0 10 ; Best move: c4d6
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at c8, black king at e8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at b7, black bishop at d7, black pawn at e7 and black pawn at g7. Black pawn at c6 and white queen at e6. White pawn at d5 and black pawn at f5. White knight at c4. White pawn at f3 and black rook at h3. White pawn at a2, white pawn at b2, white pawn at d2, white pawn at e2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 0. Full move number is 10. White to move.