Event: Division 2 Cup

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Opponent	Rating	Result
Herbert Lockwood	1640	½ - ½
Derek Toyne	1595	0 - 1
David Wells	1849	1 - 0

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

1695 = (5084 + 400 * (1 - 1)) / 3)