Event: Summer Rapid

PDF Excel

Opponent	Rating	Result
David E Shiers	1651	0 - 1
David A Hallen	1754	0 - 1
Charlie G Swinson	1304	0 - 1
Harvey Murray-Smith	1427	0 - 1
David A Hallen	1689	0 - 1
Wesley J Vickers	1791	0 - 1

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

1203 = (9616 + 400 * (0 - 6)) / 6)