Event: OTB Blitz Championship

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Opponent	Rating	Result
Vittorio Nigrelli	1776	0 - 1
Ivan Hutcheson	1508	0 - 1
Davide Segat	1502	1 - 0
Aradhya Mukherjee	1502	0 - 1
Huw D Jacob	1627	0 - 1
A Fin O'Regan	1110	0 - 1
James Walsh	1300	0 - 1

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

1189 = (10325 + 400 * (1 - 6)) / 7)