Event: Individual Rapidplay

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Opponent	Rating	Result
Robert Ashworth	1864	0 - 1
Ian Gambles	1727	0 - 1
Robert Lacey	1398	0 - 1

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

1263 = (4989 + 400 * (0 - 3)) / 3)