Event: KO 2022-23

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Opponent	Rating	Result
W John Marshall	1784	0 - 1
Roger Waddingham	1516	1 - 0
Tim Pavlovic	1736	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1545 = (5036 + 400 * (1 - 2)) / 3)