Event: MID County / Lewis Cup

PDF Excel

Opponent	Rating	Result
Steve Marsland	170	0 - 1
Kevin Smyth	163	0 - 1
Nicolas Varley	188	0 - 1
John B Atherton	163	1 - 0
Paul J Kelly	170	½ - ½
Barrington Beavis	147	½ - ½
Russell R Goodfellow	159	1 - 0
Robert G Thompson	146	1 - 0

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

163 = (1306 + 400 * (3 - 3)) / 8)