Event: Ramsgate U100

Opponent Rating Result
Christopher Exton 1090 ½ - ½
Christopher Exton 1090 1 - 0
John L Clarke 1329 1 - 0
Don Richards 1362 0 - 1
Don Richards 1362 0 - 1
Brian W Williamson 1310 0 - 1
John L Clarke 1329 1 - 0
Brian W Williamson 1310 1 - 0
Sam Feuillatre 1389 1 - 0
Sam Feuillatre 1389 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1336 = (12960 + 400 * (5 - 4)) / 10)

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