Event: MCA Division 2

Opponent Rating Result
David snr Stanfield 1641 0 - 1
Michael I Williams 1691 ½ - ½
James Foy 1718 0 - 1
Michael Delaney 1700 0 - 1
Michael I Williams 1691 0 - 1
Alan Jackson 1633 0 - 1
Kenneth Payne 1568 1 - 0
Bob Amos 1578 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1503 = (13220 + 400 * (2 - 5)) / 8)

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