Event: Graded LP Friendlies

PDF Excel

Opponent	Rating	Result
Mario Scarpa	1493	½ - ½
Gerald Parton	1200	1 - 0
Nigel Gardner	1551	0 - 1
George Bowkett	0	0 - 1
Philip Grocott	1346	0 - 1
Steve Ballantyne	1371	½ - ½
Jamshid Farshchi	1129	1 - 0

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

1099 = (8090 + 400 * (2 - 3)) / 7)