Event: Stowmarket Club Championship 22-23

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Opponent Rating Result
Ray Firman 1139 1 - 0
William Mackintosh 1046 1 - 0
Terry Robinson 1516 ½ - ½
Adrian Hall 1050 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1288 = (4751 + 400 * (2 - 1)) / 4)

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