Event: OTB Club Championship

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Opponent	Rating	Result
Voldi Gailans	1275	½ - ½
Aradhya Mukherjee	1502	0 - 1
Mark Le Gassicke	1364	½ - ½
Terry Lucy	1372	1 - 0
Cormac P Stamper	1358	1 - 0
Ben Harte	1726	1 - 0
John H Hodgson	2152	0 - 1

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

1593 = (10749 + 400 * (3 - 2)) / 7)