Event: Divison 3 - Batley-Meek Memorial Trophy

PDF Excel

Opponent	Rating	Result
Jonathan W Arnott	192	0 - 1
Szilard Tamas	155	0 - 1
Andrew Birtwhistle	0	1 - 0
Bryan Wood	150	0 - 1
Oliver Brennan	0	½ - ½
George Swanson	117	1 - 0
Brendan Ashmore	140	½ - ½

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

51 = (754 + 400 * (2 - 3)) / 7)