Event: Silver Rook

PDF Excel

Opponent	Rating	Result
Jael De Sousa Muachikape	127	0 - 1
Keith Marsh	127	0 - 1
Jim R Postill	110	1 - 0
Peter Gregory	102	½ - ½
Paul Gelder	121	1 - 0
Keith Marsh	127	½ - ½
Jonathan Moreton	112	1 - 0
Mike Wilford	109	0 - 1

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

117 = (935 + 400 * (3 - 3)) / 8)