Event: Division Two

PDF Excel

Opponent	Rating	Result
Derek Ellesmore	1748	½ - ½
Alex D Pready	1789	½ - ½
David Thomson	1828	0 - 1
John F Fahy	1749	0 - 1
Gordon SG Christie	1715	½ - ½
Paul J Evans	1680	1 - 0
Derek Green	1592	1 - 0

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

1729 = (12101 + 400 * (2 - 2)) / 7)