Event: 5800 max

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Opponent	Rating	Result
Muhammed Oguz Isik	1547	0 - 1
Roger Ball	1525	1 - 0
Stephen Gaskell	1400	0 - 1
Ian M Truscott	1630	½ - ½
Trevor Reece	1320	1 - 0
Muhammed Oguz Isik	1547	0 - 1
Roger Ball	1525	0 - 1
Stephen Gaskell	1400	0 - 1
Ian M Truscott	1630	0 - 1
Trevor Reece	1320	1 - 0

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

1364 = (14844 + 400 * (3 - 6)) / 10)