Event: Guildford 2021-12-05 Rapid 10+5

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Opponent	Rating	Result
James M G Toon	2025	1 - 0
Julien M Shepley	1836	½ - ½
Russell Hope	1676	1 - 0

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

2112 = (5537 + 400 * (2 - 0)) / 3)