Event: Division One

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Opponent Rating Result
Tim A Lane 1799 1 - 0
Richard C Reynolds 1819 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2009 = (3618 + 400 * (1 - 0)) / 2)

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Opponent Rating Result
Golam S Ali 1921 0 - 1
Ben Attwell 1846 ½ - ½
Tim A Lane 1799 ½ - ½
Iulian Vaduva 1687 ½ - ½
Trevor J Holt 1760 1 - 0
Adam Routledge 1778 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1799 = (10791 + 400 * (1 - 1)) / 6)