Event: Baum Trophy summer league

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Opponent	Rating	Result
Philip Staniland	1881	0 - 1
Gul Kapur	1464	1 - 0
Igor Naumov	1732	0 - 1
Vittorio Nigrelli	1625	1 - 0
Philip Staniland	1881	0 - 1
Gul Kapur	1464	1 - 0
Igor Naumov	1732	0 - 1
Vittorio Nigrelli	1625	0 - 1

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

1576 = (13404 + 400 * (3 - 5)) / 8)