Event: Autumn OTB Division 4

Opponent Rating Result
Colin Winstanley 1500 ½ - ½
Antony Doust 1480 1 - 0
Billy Molloy 1100 1 - 0
Peter Hurn 1570 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1513 = (5650 + 400 * (2 - 1)) / 4)

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