Event: South Cheshire Shield

PDF Excel

Opponent	Rating	Result
Julian P Cook	1370	1 - 0
Martin J Chadwick	1328	1 - 0
Sandra G Blackburn	1567	½ - ½
James Dawson	1000	1 - 0
David J Barker	1487	½ - ½
Nicholas PA Wright	1437	½ - ½

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

1565 = (8189 + 400 * (3 - 0)) / 6)