later that year, harry chambers (who had replaced chesterman as secretary of sheffield fc) wrote to the fa proposing a return match to be held in sheffield under sheffield rules. on 12 november 1866, the fa accepted this offer, but specified that only fa rules could be played. a return match in sheffield was subsequently scheduled for 19 january 1867. two days before this game was due to be played, it was postponed to march or april because of bad weather. during this delay, two developments occurred that served to emphasize the differences between the london and sheffield codes of football: