Event: Stowmarket Club Championship 22-23

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Opponent Rating Result
Ray Firman 1139 ½ - ½
Richard Caves 1432 ½ - ½
William Mackintosh 1046 1 - 0
David P Green 1611 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1407 = (5228 + 400 * (1 - 0)) / 4)

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