Event: Online League Division 2 (Spring 2021)

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Opponent	Rating	Result
William Chen	1445	0 - 1
Asoke K Nandi	1470	1 - 0
Riyan Patel-Davis	872	1 - 0
Martin Lake	1450	½ - ½
Michael J Smith	1277	½ - ½
Gerry Stonehouse	1222	1 - 0
Robert AJ Hurn	1599	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1391 = (9335 + 400 * (3 - 2)) / 7)