eq { diff { hop { filter_eq { all_rows ; player ; lee janzen } ; score } ; hop { filter_eq { all_rows ; player ; chris perry } ; score } } ; -1 } = true
select the rows whose player record fuzzily matches to lee janzen . take the score record of this row . select the rows whose player record fuzzily matches to chris perry . take the score record of this row . the second record is 1 larger than the first record .