Event: DCL Div 2

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Opponent	Rating	Result
Geoff C Searing	154	½ - ½
Steve B Peirson	180	½ - ½
Geoff C Searing	154	1 - 0
Frank J Pittman	163	½ - ½
Steve B Peirson	180	0 - 1
Malcolm J Steevens	149	½ - ½
Christian F Westrap	162	0 - 1
Christian F Westrap	162	½ - ½

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

113 = (1304 + 400 * (1 - 2)) / 8)