Event: 6-Board Division 1

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Opponent	Rating	Result
Steve Tomlinson	1428	1 - 0
Scott Nicholson	1848	0 - 1
Derek A Sheppard	1698	0(def) - 1

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

1638 = (3276 + 400 * (1 - 1)) / 2)