Event: St Andrews Club Championship

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Opponent	Rating	Result
Stephen Garner	100	½ - ½
Graeme C Reid	116	½ - ½
Ian Scott	110	1 - 0
Stephen Crow	154	0 - 1
Lester Jones	103	½ - ½

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

117 = (583 + 400 * (1 - 1)) / 5)