Event: Guildford FIDE Congress

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Opponent	Rating	Result
James Wallman	0	1 - 0
Albert Hornsby	0	½ - ½
Liam Ireland	0	½ - ½
Benjamin Wright	0	1 - 0
Aidan Burnside	0	½ - ½

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

160 = (0 + 400 * (2 - 0)) / 5)