Event: 4-Board Division 1

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Opponent	Rating	Result
Joe Varley	2075	0 - 1
Giles Dunn	1638	1 - 0
Ian Scott	1610	½ - ½

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

1774 = (5323 + 400 * (1 - 1)) / 3)