Event: 2nd Yorkshire Rapidplay Championships - Minor

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Opponent	Rating	Result
Simon Jones	1237	1 - 0
Kye Hutchings	1245	1 - 0
Oliver West	1548	1 - 0
Mikhail Kupriyanov	1559	½ - ½
Steve Crow	1550	0 - 1
Richard Finney	1752	1 - 0
Vidhyuth Kavin Sudagar	1550	1 - 0

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

1720 = (10441 + 400 * (5 - 1)) / 7)