 His return to chess in later life was chronicled by the writer and chess master Alfred Kreymborg in the short story "Chess Reclaims a Devotee".Jaffe did qualify for the finals at the 1938 U.S. Open Chess Championship at Boston, where he finished tied 8-9th with 4/11, as Al Horowitz won.Jaffe's final tournament was the 1939 U.S. Open Chess Championship at New York, where he qualified for the finals, but lost all 11 of his games in that group to place 12th, as Reuben Fine won.