Event: Yorkshire u18s Team Championship - Division 2

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Opponent	Rating	Result
Luke Attwater	1095	1 - 0
Logan Richards	982	1 - 0
Seb Wilford	1033	1 - 0
Aart Gehrels	0	1 - 0
Ethan Gaffney	1336	1 - 0
Joey Fell	1072	1 - 0
Louis Needham	1194	1 - 0
Luigi Ucci	1062	½ - ½

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1322 = (7774 + 400 * (7 - 0)) / 8)