Event: U1650R summer league

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Opponent	Rating	Result
Michael GA Wilson	1646	0 - 1
Ashwin GopiKrishna	1134	0 - 1
Gul Kapur	1445	½ - ½
Rashid Shafiq	82	1 - 0
Michael GA Wilson	1646	0 - 1
Ashwin GopiKrishna	1134	0 - 1
Gul Kapur	1445	0 - 1
Rashid Shafiq	82	1 - 0

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

927 = (8614 + 400 * (2 - 5)) / 8)