Event: Hillingdon Div 1

Opponent Rating Result
Steven F Coles 1982 0 - 1
Bharath Jayakumar 1781 1 - 0
John M Quinn 2179 ½ - ½
Rishi Patel 2024 0 - 1
David C Okike 2247 0 - 1
Frank Zurstiege 1756 1 - 0
David J White 1762 ½ - ½
Raghu Kamath 1864 0 - 1
Andrew Hayler 1975 1 - 0
Mark Winterbotham 1876 ½ - ½
Arthur Cann 1597 0 - 1
John Tobisch 1918 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1880 = (22961 + 400 * (4 - 5)) / 12)

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