eq { diff { hop { filter_eq { all_rows ; game ; 1 } ; date } ; hop { filter_eq { all_rows ; game ; 2 } ; date } } ; -2 } = true
select the rows whose game record fuzzily matches to 1 . take the date record of this row . select the rows whose game record fuzzily matches to 2 . take the date record of this row . the second record is 2 larger than the first record .