Event: 6-Board Division 2

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Opponent	Rating	Result
David Stothard	1773	½ - ½
David Stothard	1773	½ - ½
Chris J Matthews	1833	0 - 1
David Stothard	1773	0 - 1
Pruthvi Kapoor	1500	1 - 0
Graeme C Reid	1480	½ - ½
Lester Jones	1518	½ - ½

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

1607 = (11650 + 400 * (1 - 2)) / 7)