Jones, of North Bethesda MD, and Gelfand, of Corralitos CA, posted a four-session total with carryover of 80.92 IMPs, while Feldman, of Redondo Beach CA, and Schreiber, of Valley Glen CA, finished with 78.60 IMPs.
The winners, who qualified ninth after Monday’s opening round, scored 46.33 IMPs in the first final session and 27.67 in the second. Their carryover was 6.92 IMPs.
Jones previously won the Lebhar IMP Pairs (in 2015), and he was second in the 0-10,000 Swiss Teams here in San Francisco on Sunday. Gelfand won the Leventritt Silver Ribbon Pairs earlier this year and has two previous second-place finishes in 10K events.
Feldman and Schreiber won the qualifying round on Monday and had a carryover of 17.00 IMPs, but their final session scores of 41.87 and 19.73 left them just short of the winners.