Event: Division Two

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Opponent	Rating	Result
Julian H Summerfield	159	0 - 1
David Hulme	146	½ - ½
Keith Thomas	150	0 - 1
Gordon SG Christie	150	0 - 1
Mark Bethel	144	1 - 0
Stuart Black	115	1 - 0(def)
Tim A Lane	161	0 - 1
Saket Singhal	121	1 - 0

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

33 = (1031 + 400 * (2 - 4)) / 7)