Event: NSDCA MMS Division 2

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Opponent Rating Result
David S Johnson 1623 ½ - ½
David M Rose 1550 ½ - ½
Roger Coleman 1248 0 - 1
Stephen J Emmerton 1644 ½ - ½
Malcolm A Roberts 1668 ½ - ½
Derek H Northage 1488 1 - 0
Martin J Chadwick 1270 1 - 0
Sam Feibel 1500 ½ - ½
Malcolm A Roberts 1668 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1562 = (13659 + 400 * (2 - 1)) / 9)

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Opponent Rating Result
Roger Coleman 1248 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1648 = (1248 + 400 * (1 - 0)) / 1)