Event: WDCL Division 3

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Opponent	Rating	Result
Paul Leonard	1647	0 - 1
Vincent Shanahan	1503	½ - ½
Peter Morgan	1397	1 - 0

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

1516 = (4547 + 400 * (1 - 1)) / 3)