Event: The Chess Centre - Ilkley (Saturdays) Junior League

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Opponent Rating Result
Elias Ogden Long 932 1 - 0
Kirkchai Dillon 829 1 - 0
Kirkchai Dillon 829 ½ - ½
Elias Ogden Long 953 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

986 = (3543 + 400 * (2 - 1)) / 4)

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