Event: Doncaster Handicap League

PDF Excel

Opponent	Rating	Result
Anthony Perry	112	1 - 0
Paul Lea-Kime	131	½ - ½
John E Beech	125	½ - ½
Steven R Brooks	120	1 - 0
John E Beech	125	½ - ½

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

283 = (613 + 400 * (2 - 0)) / 5)