Event: 2nd Yorkshire Rapidplay Championships - Minor

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Opponent	Rating	Result
Kye Hutchings	1245	0 - 1
Simon Jones	1237	1 - 0
Piotr Kaszynski	1265	0 - 1
Samarth Ranjan Mishra	1190	½ - ½
Chris Patrick	0	0 - 1
Samiksha Yerabati	1222	1 - 0
Jakub Augustyniak	1078	0 - 1

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

920 = (7237 + 400 * (2 - 4)) / 7)