Event: Weymouth U1850 2023

Opponent Rating Result
Freddie Pick 1755 ½ - ½
Robert A Lanzer 1782 0 - 1
Ian P Blencowe 1591 ½ - ½
Kaifer Rait-McDonald 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1082 = (5128 + 400 * (0 - 2)) / 4)

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