Event: 5th Somerset New Year Intermediate

PDF Excel

Opponent	Rating	Result
Roy A Ludlow	1645	0 - 1
Phil B Pinto	1689	1 - 0
Niall Homer	0	0 - 1
Jordan Walsh	0	½ - ½

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

734 = (3334 + 400 * (1 - 2)) / 4)