Event: St Andrews Club Championship

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Opponent	Rating	Result
Giles Dunn	1638	0 - 0
Michael A Pollard	1622
Stephen Crow	1899	½ - ½
Ian D Major	1844	½ - ½
David G Mills	0	½ - ½
Lester Jones	1531	½ - ½

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

1319 = (5274 + 400 * (0 - 0)) / 4)