Event: OTB Club Championship

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Opponent	Rating	Result
Vittorio Nigrelli	1753	0 - 1
Peter A Nickals	1728	0 - 1
Paul Read	1295	1 - 0
David Smith	1602	½ - ½
Mark RA Murrell	1908	0 - 1
Joseph Rosenberg	1548	1 - 0
Aradhya Mukherjee	0	0 - 1

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

1291 = (9834 + 400 * (2 - 4)) / 7)