Event: Hammersmith Rockhammer Cup

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Opponent	Rating	Result
Ulysses Encina	1112	½ - ½
Ulysses Encina	1112	1 - 0
Thomas Ewart	1437	½ - ½
Thomas Ewart	1437	0 - 1
Jenny Beltran	1114	1 - 0

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

1322 = (6212 + 400 * (2 - 1)) / 5)