Event: Internal 2022/23

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Opponent	Rating	Result
Mike Spence	1688	0 - 1
Stephen J Smith	1833	0 - 1
Andrew McDougall	2147	0 - 1

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

1489 = (5668 + 400 * (0 - 3)) / 3)