Event: D&DCL Div 4

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Opponent	Rating	Result
Michael Moon	100	1 - 0
Ray Sawyer	0	½ - ½
Michael D Boreham	130	1 - 0
Chris Sharp	100	0 - 1
Dylan Meyer	130	0 - 1

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

92 = (460 + 400 * (2 - 2)) / 5)