Event: Roger Goldsmith Div 2

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Opponent	Rating	Result
James Pack	1804	½ - ½
Danny Harrison	1617	½ - ½
Ruben Evans	1852	½ - ½
Anthony Chan	1730	½ - ½
Michael MJ Osborn	1555	1 - 0

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

1792 = (8558 + 400 * (1 - 0)) / 5)