Event: Individual Challenge 2022-3

Opponent Rating Result
David M Rose 1548 0 - 1
Colin Abell 1539 ½ - ½
Harry James 1311 0 - 1
David E Shiers 1600 0 - 1
Harvey Murray-Smith 1458 ½ - ½
S Ali Arshad 1206 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1310 = (8662 + 400 * (1 - 3)) / 6)

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