Event: Individual Challenge 2022-3

Opponent Rating Result
David A Hallen 1490 ½ - ½
David E Shiers 1600 0 - 1
Harvey Murray-Smith 1458 ½ - ½
Harry James 1311 ½ - ½
David M Rose 1548 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1401 = (7407 + 400 * (0 - 1)) / 5)

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