Event: 4 Board League A

PDF Excel

Opponent	Rating	Result
Phil R Watson	2193	0 - 1
Chris S Edwards	1702	1 - 0
Dave Sykes	1520	½ - ½
Greg Billenness	1834	1 - 0
Phil R Watson	2167	½ - ½
Dave Colledge	1791	0 - 1
Paul Butterworth	1729	0 - 1

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

1791 = (12936 + 400 * (2 - 3)) / 7)