Event: EJCOA South Yorkshire U10

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Opponent	Rating	Result
Viktor Mairesse	0	1 - 0
Emerys Hillman	1010	1 - 0
Jack Holmes	973	½ - ½
Omar Moylayev	802	0 - 1
William Hart	921	0 - 1

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

741 = (3706 + 400 * (2 - 2)) / 5)