eq { diff { hop { filter_eq { all_rows ; player ; brad lamb } ; round } ; hop { filter_eq { all_rows ; player ; mark maddox } ; round } } ; -1 } = true
select the rows whose player record fuzzily matches to brad lamb . take the round record of this row . select the rows whose player record fuzzily matches to mark maddox . take the round record of this row . the second record is 1 larger than the first record .