Event: Summer Open Division

PDF Excel

Opponent	Rating	Result
Keith C Arkell	235	1 - 0
Henrik Stepanyan	210	½ - ½
Ian Emery	172	½ - ½
Pavel Besedin	213	0 - 1
Keith C Arkell	235	0 - 1
Henrik Stepanyan	210	0 - 1
Ian Emery	172	½ - ½
Pavel Besedin	213	0 - 1

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

58 = (1660 + 400 * (1 - 4)) / 8)