Event: A Division

Opponent Rating Result
Chris Vassiliou 1963 1 - 0
Andrew I Wilson 2026 1 - 0
Nikolay Milchev 2283 0 - 1
Dale R James 2075 ½ - ½
Dave Toole 1901 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2130 = (10248 + 400 * (2 - 1)) / 5)

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