Event: D&DCL Div 1

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Opponent	Rating	Result
D Martin Howard	177	0 - 1
David Hulme	153	½ - ½
Norman J Davies	122	1 - 0
Sohrab Panday	161	1 - 0
Andrew J Mort	163	½ - ½
Alex Webster	163	1 - 0
Steven J Burke	166	½ - ½
Andrew Toothill	162	½ - ½
Jonathon Swift	101	0 - 1

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

196 = (1368 + 400 * (3 - 2)) / 9)