Event: D&DCL Div 1

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Opponent	Rating	Result
Paul Madden	190	0 - 1
Michael D Johnson	170	½ - ½
D Martin Howard	177	1 - 0
Michael J Alderson	175	0 - 1
John Molyneux	188	0 - 1
Jaime Castro	151	1 - 0
Sohrab Panday	161	0 - 1
Ranjit Nath	157	½ - ½
Kevin J Dalley	165	0 - 1

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

37 = (1534 + 400 * (2 - 5)) / 9)