Event: 5th Somerset New Year Major

PDF Excel

Opponent	Rating	Result
Richard J Johnson	0	½ - ½
Joseph D Turner	0	½ - ½
Brian GE Gosling	1700	½ - ½

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

567 = (1700 + 400 * (0 - 0)) / 3)