Event: ECC OTB 14/10/20

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Opponent	Rating	Result
Chris Lysons	1472	1 - 0
Darrell Lindsay	1367	1 - 0
Hayder Ali	0	1 - 0

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

1346 = (2839 + 400 * (3 - 0)) / 3)