Event: Thornaby Rapidplay Ladder

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Opponent	Rating	Result
Joseph Machin	1214	0 - 1
Joe McGinnis	1478	1 - 0
Joseph Machin	1311	0 - 1

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

1201 = (4003 + 400 * (1 - 2)) / 3)