Event: WDCL Division 2

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Opponent Rating Result
Martin Lythgoe 1896 ½ - ½
Roger G Williamson 2252 0 - 1
Raymond Udena 1600 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1916 = (5748 + 400 * (1 - 1)) / 3)

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