Event: Anstey Junior Club Championship Rapidplay

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Opponent	Rating	Result
Alfie Wood	700	1 - 0
Jakub Miler	1148	1 - 0
Oliver Routh	1200	1 - 0
Curtis Blunt	1241	½ - ½
Noor Datoo	1411	0 - 1

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

1300 = (5700 + 400 * (3 - 1)) / 5)