Event: App Frod Rapid

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Opponent	Rating	Result
Stan J Smart	1648	1 - 0
Stan J Smart	1648	0 - 1
Bernard Pratten	1681
Bernard Pratten	1681
Joanne Hutchinson	1734
Joanne Hutchinson	1734
Joe Kilshaw	2042
Joe Kilshaw	2042
Adam L Batty	1600
Adam L Batty	1600
Michael Bath	1500
Michael Bath	1500
Denis Georgiou	1774
Denis Georgiou	1774
Rico-Bradley Ellis	1612
Rico-Bradley Ellis	1612
Glyn G Williams	1548
Glyn G Williams	1548
Michal Trafas	1414
Michal Trafas	1414
Simon Whytock	0
Simon Whytock	0

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

1648 = (3296 + 400 * (1 - 1)) / 2)