Event: Roger Goldsmith Div 1

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Opponent	Rating	Result
Kelvin Hunter	1674	0 - 1
Robert L Jones	1654	1 - 0
Stephen C Pride	1576	½ - ½

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

1635 = (4904 + 400 * (1 - 1)) / 3)