Event: App Frod Rapid

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Opponent	Rating	Result
Joanne Hutchinson	1734	0 - 1
Joanne Hutchinson	1734	1 - 0
Joe Kilshaw	2042	0 - 1
Joe Kilshaw	2042	0 - 1
Adam L Batty	1600	1 - 0
Adam L Batty	1600	0 - 1
Michael Bath	1500
Michael Bath	1500
Denis Georgiou	1774
Denis Georgiou	1774
Rico-Bradley Ellis	1612
Rico-Bradley Ellis	1612
Michal Trafas	1414
Michal Trafas	1414
Simon Whytock	0
Simon Whytock	0
John P Mainwaring	1702
John P Mainwaring	1702
Stan J Smart	1648
Stan J Smart	1648
Bernard Pratten	1681
Bernard Pratten	1681

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

1659 = (10752 + 400 * (2 - 4)) / 6)