Event: 54th Cotswold Open

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Opponent	Rating	Result
Yiwen Ding	1716	½ - ½
Michael H Stinton-Brownbridge	1849	1 - 0
Timothy J Kett	2196	0 - 1
Benjamin Lappin	1950	½ - ½
Qixuan Han	1819	1 - 0
Olugbemiga (Ben) Ogunshola	2168	½ - ½

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

2016 = (11698 + 400 * (2 - 1)) / 6)