Event: Div1

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Opponent	Rating	Result
Anthony L Natt	169	½ - ½
James R Shore	138	½ - ½
David Williams	165	½ - ½
Derek A Jarvis	168	½ - ½
Michael D Johnson	176	½ - ½
Andrew J Mort	157	½ - ½
D Philip Morgan	141	½ - ½
James R Shore	142	1 - 0
Andrew J Mort	160	½ - ½
Dragoljub Sudar	155	½ - ½
Ronald S Harrison	121	½ - ½
Steven J Burke	175	½ - ½
Steve Bracey	156	½ - ½
Alex Webster	155	½ - ½

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

184 = (2178 + 400 * (1 - 0)) / 14)