Event: Doncaster League

Opponent Rating Result
Pete Micklethwaite 2025 0 - 1
Alan J Smith 1616 0 - 1
Richard F Hall 1743 1 - 0
Peter Catt 1785 ½ - ½
Anthony Perry 1593 1 - 0
Peter Catt 1785 1 - 0
Patrick McGrath 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1621 = (10547 + 400 * (4 - 2)) / 7)

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