Event: Summer League

PDF Excel

Opponent	Rating	Result
Michael Ashworth	2056	0 - 1
Duncan Dicks	2090	½ - ½
Jim Beaty	1958	1 - 0
David Lacey	1770	1 - 0
Michael Ashworth	2056	½ - ½
Duncan Dicks	2090	0 - 1
Jim Beaty	1958	1 - 0
David Lacey	1770	½ - ½

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

2019 = (15748 + 400 * (3 - 2)) / 8)