Event: NSDCA Division 3

Opponent Rating Result
David M Rose 1548 1 - 0
Tim Twentyman 1686 ½ - ½
Stephen J Emmerton 1590 1 - 0
Colin Abell 1539 ½ - ½
David S Johnson 1574 1 - 0
David P Price 1666 0 - 1
David M Rose 1527 1 - 0
Tim Twentyman 1702 1 - 0
Jay Baddeley 1536 ½ - ½
Colin Abell 1537 1 - 0
Richard WY Lee 2115 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1784 = (18020 + 400 * (6 - 2)) / 11)

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