Event: U1450

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Opponent	Rating	Result
Lawrence Harold	1430	1 - 0
David Holroyd	1322	½ - ½
S David Wray	1429	0 - 1

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

1394 = (4181 + 400 * (1 - 1)) / 3)