Event: LCA Division 1

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Opponent	Rating	Result
Ben Ashcroft	0	½ - ½
Herman FF Kok	1798	½ - ½
Peter G Sherlock	1554	½ - ½

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

1117 = (3352 + 400 * (0 - 0)) / 3)