Event: Bude Club Championship (QP) 2023/24

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Opponent	Rating	Result
Geoffrey W Lingard	1684	½ - ½
Reuben Medhurst	994	1 - 0

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

1539 = (2678 + 400 * (1 - 0)) / 2)