Event: NSDCA Division 3

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Opponent Rating Result
Ewan Corden 1256 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

856 = (1256 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
Jim Leech 1249 1 - 0
George P Jelliss 1329 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1689 = (2578 + 400 * (2 - 0)) / 2)