Event: S.Rapid 2022

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Opponent	Rating	Result
Ric Woodcock	1560	0 - 1
Ric Woodcock	1560	½ - ½
Jack Pye	1559	½ - ½
Jack Pye	1559	½ - ½
Luke Howard	1361	1 - 0
Luke Howard	1361	1 - 0
Christopher Taylor	1575	1 - 0
Christopher Taylor	1575	0 - 1
Stephen R Cooper	1622	½ - ½
Stephen R Cooper	1622	0 - 1
RAB (Bob) Maltby	1558	1 - 0
RAB (Bob) Maltby	1558	0 - 1

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

1539 = (18470 + 400 * (4 - 4)) / 12)