Event: SBCC Std Play Champ 23-24

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Opponent	Rating	Result
Mark A Drugan	1742	0 - 1
Callum Bing	1100	½ - ½
Sean Doherty	1473	0(def) - 1

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

1221 = (2842 + 400 * (0 - 1)) / 2)