Event: Vince Skillcorn Summer Tournament 2023

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Opponent Rating Result
J Alan Stockley 1387 1 - 0
Stuart McLaughlin 1390 ½ - ½
Bernie Callaghan 1299 1 - 0
Benjamin Dodgson 1434 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1578 = (5510 + 400 * (2 - 0)) / 4)

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