Event: Division 1

Opponent Rating Result
Geoffrey L Bishop 1740 1 - 0
Peter Grant-Ross 1655 1 - 0
Mark Winterbotham 1876 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2024 = (5271 + 400 * (2 - 0)) / 3)

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