Event: Dons Christmas Allegro

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Opponent	Rating	Result
Chris Jones	1583	1 - 0
Alexander New	1766	½ - ½
Tal Wood	0	1 - 0
David A LeMoir	2188	½ - ½
John A Wood	1983	1 - 0

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

1744 = (7520 + 400 * (3 - 0)) / 5)