Event: NCCA League Division 1

Opponent Rating Result
Martin G Walker 2181 ½ - ½
David J Payne 1784 1 - 0
John Anderson 2222 ½ - ½
Stephen LA Orton 2148 1 - 0
Martin G Walker 2182 0 - 1
Jeff R Dawson 1958 1 - 0
Roy Hughes 2044 ½ - ½
Antony C Hall 1914 ½ - ½
John Anderson 2210 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2160 = (18643 + 400 * (3 - 1)) / 9)

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