Event: Siminson Cup 24

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Opponent	Rating	Result
Brian J Westover	1742	0 - 1
Christopher Exton	1112	1 - 0
Paul Worledge	1806	0 - 1
Graham Wilson	1097	½ - ½
Brian J Westover	1742	0 - 1
John L Clarke	1342	0 - 1
Bob Wallace	1385	½ - ½
Graham Wilson	1097	1 - 0

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

1315 = (11323 + 400 * (2 - 4)) / 8)