Event: Billingham Synthonia Rapid February 2024

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Opponent Rating Result
Harry Tennant 1540 0 - 1
Graham E Edwards 1386 0 - 1
Graham R Marshall 1654 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1260 = (4580 + 400 * (0 - 2)) / 3)

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