Event: Division 2

PDF Excel

Opponent	Rating	Result
Tony C Norris	134	½ - ½
John H Sleggs	114	0 - 1
Ronald C Andriessen	120	1 - 0
Ian Webster	112	0 - 1
Joshua Gittins	121	0 - 1
Stephen Bush	114	1 - 0
Kevin N Bendall	131	½ - ½

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

64 = (846 + 400 * (2 - 3)) / 7)