Event: Div1

PDF Excel

Opponent	Rating	Result
Peter JE Ackley	187	½ - ½
James R Shore	142	½ - ½
Michael D Johnson	176	1 - 0
David Williams	164	½ - ½
Simon N Gilmore	188	½ - ½
Geoffrey D Brown	150	1 - 0
David G Levens	152	1 - 0
Steve Bracey	161	½ - ½
Mike Alcock	173	½ - ½
Steve P Retout	155	½ - ½
Gary Haime	153	½ - ½
Martin Cobham	149	½ - ½
Peter M Collins	160	½ - ½

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

255 = (2110 + 400 * (3 - 0)) / 13)