Event: Club Championship 22

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Opponent	Rating	Result
David Hooper	1179	½ - ½
Michael Bailey	850	1 - 0
Maciej Kalinowski	950	1 - 0
Len SC Whittaker	1365	½ - ½
Abijan Sureshkumar	1280	0 - 1
Oscar Waszkielewicz	1222	1 - 0

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

1274 = (6846 + 400 * (3 - 1)) / 6)