Event: Silver Rook

PDF Excel

Opponent	Rating	Result
Tony Pogson	1797	0 - 1
Roland Gehrels	1534	½ - ½
Mike Edbury	1611	1 - 0

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

1647 = (4942 + 400 * (1 - 1)) / 3)