Event: WMA Summer League Division 1

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Opponent	Rating	Result
Matthew T Thompson	0	1 - 0
Robert C Stern	162	½ - ½
David Flynn	155	1 - 0
Rob Sutton	122	1 - 0
Sam Foster	99	½ - ½
John Mildenhall	164	1 - 0
Matthew T Thompson	0	1 - 0
Robert C Stern	162	1 - 0
David Flynn	155	1 - 0
Rob Sutton	122	1 - 0
Sam Foster	99	1 - 0
John Mildenhall	164	1 - 0

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

450 = (1404 + 400 * (10 - 0)) / 12)