Event: Summer Rapidplay

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Opponent	Rating	Result
Iain Mellis	1705	0 - 1
Wesley Park	1371	0 - 1
Joe McGinnis	1506	0 - 1

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

1127 = (4582 + 400 * (0 - 3)) / 3)