Event: Division 1

Opponent Rating Result
Paul Cumbers 2175 1 - 0
Michael H Barnes 2120 1 - 0
Julian Cast 2086 ½ - ½
David H Coates 2047 ½ - ½
Dragoljub Sudar 1893 1 - 0
Peter JE Ackley 2030 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2259 = (12351 + 400 * (3 - 0)) / 6)

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