Event: Manx Championship 2020/1

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Opponent	Rating	Result
Henrik Fabri	2043	0 - 1
Glenn Cross	1775	½ - ½
John Costello	1749	0 - 1
Antony Jackson	1435	0 - 1
Paul Smith	1742	0 - 1

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

1429 = (8744 + 400 * (0 - 4)) / 5)