Event: Division Two

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Opponent	Rating	Result
Majid Mashayekh	1874	½ - ½
Geoffrey A Foxon	1544	1 - 0
David Thomas	1723	1 - 0
John P Carter	1758	½ - ½
Yawar I Jafri	1667	1 - 0
Hamish Sloan	1516	1 - 0
Yawar I Jafri	1981	½ - ½

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

1952 = (12063 + 400 * (4 - 0)) / 7)