Event: 54th Cotswold Open

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Opponent	Rating	Result
Ian A Robson	2194	0 - 1
Florence Spirling	1703	1 - 0
John Jenkins	2002	½ - ½
Dildarav Lishoy Gengis Paratazham	2103	0 - 1
Andy Hill	2002	0 - 1
Lindsay Pyun	1878	½ - ½

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

1847 = (11882 + 400 * (1 - 3)) / 6)