Event: Hepolite (Rapid Play)

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Opponent Rating Result
Peter D Ward 0 0 - 1
Peter D Ward 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

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

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Opponent Rating Result
Dave Young 79 1 - 0
Dave Young 79 1 - 0
Stehen Burton 109 1 - 0
Stehen Burton 109 1 - 0
Gabor Batonyi 157 0 - 1
Robin F Browne 154 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

248 = (687 + 400 * (4 - 2)) / 6)