Event: Club Championship 2022/2023

Opponent Rating Result
David J Gibson 1541 ½ - ½
Michael C Hackett 1615 0 - 1
Steve Hughes 1426 1 - 0
Bruce R Oliver 1639 ½ - ½
Derek A Sheppard 1715 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1587 = (7936 + 400 * (1 - 1)) / 5)

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