Event: League Division Two

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Opponent	Rating	Result
S Neil Bolton	1358	1 - 0
Dion Luzha	1507	0 - 1
Paul Hardy	1532	1 - 0
Richard Higham	0	1 - 0
Edward Rivlin	1301	1 - 0

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

1380 = (5698 + 400 * (4 - 1)) / 5)