Event: 6th Somerset New Year Intermediate

PDF Excel

Opponent	Rating	Result
Kevin Winter	1732	½ - ½
Dale Sibborn	1718	0 - 1
Grant Daly	1602	½ - ½
Roy A Ludlow	1629	½ - ½

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

1570 = (6681 + 400 * (0 - 1)) / 4)