Event: Internal Long Play 2021-22

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Opponent Rating Result
Vishal Leo Thomas 0 0 - 1
Michael D Plumb 1717 0 - 1
rahul leo thomas 1100 0 - 1
Michael Cackett 0 1 - 0
Keith Davies 1407 0 - 1
rahul leo thomas 1100 0 - 1
Vishal Leo Thomas 1344 0 - 1
Michael Hemming 1192 0 - 1
Michael Cackett 1169 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

692 = (9029 + 400 * (1 - 8)) / 9)

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