Event: Fenland Cup (7000)

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Opponent	Rating	Result
Adrian Kaszuba	0	½ - ½
Paul Spencer	1748	1 - 0
Peter Baddeley	1622	½ - ½

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

1257 = (3370 + 400 * (1 - 0)) / 3)