Event: S&D Knockout Championship

PDF Excel

Opponent	Rating	Result
John P Mainwaring	138	½ - ½
John P Mainwaring	138	1 - 0
William Bazley	101	1 - 0
Mike Dew	120	1 - 0
Steven Lewis	148	0 - 1

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

289 = (645 + 400 * (3 - 1)) / 5)