Event: Individual Challenge 2022-3

Opponent Rating Result
S Ali Arshad 1206 1 - 0
David M Rose 1548 0 - 1
Colin Abell 1539 ½ - ½
David A Hallen 1490 ½ - ½
Charlie G Swinson 1160 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1389 = (6943 + 400 * (1 - 1)) / 5)

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