Event: NSDCA Division 3

Opponent Rating Result
Colin Abell 1490 1 - 0
Karol Grzybowski 1774 1 - 0
Railton W Hyde 1741 ½ - ½
Chris P Hankey 1839 0 - 1
Neville Layhe 1614 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1852 = (8458 + 400 * (3 - 1)) / 5)

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