Event: Division 1

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Opponent	Rating	Result
Martyn Hamer	2153	½ - ½
Howard R Hughes	2198	0 - 1
Clive Edwards	1783	½ - ½

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

1911 = (6134 + 400 * (0 - 1)) / 3)