Event: Division 1

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Opponent	Rating	Result
Richard A Bates	2338	½ - ½
D Ian Calvert	2008	1 - 0
Thomas B Bonn	2240	0 - 1

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

2195 = (6586 + 400 * (1 - 1)) / 3)