Event: NSDCA Division 1

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Opponent	Rating	Result
Gerald Acey	2054	0 - 1
Martin J Burns	1941	0 - 1
Patrick Bennett	1964	½ - ½

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

1720 = (5959 + 400 * (0 - 2)) / 3)