Event: 6-Board Division 1

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Opponent	Rating	Result
Andrew D Bettley	1772	1 - 0
Paul SN Kendall	1891	½ - ½
Jonathan R Slater	1550	1 - 0

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

2004 = (5213 + 400 * (2 - 0)) / 3)