Event: Autumn Tournament

Opponent Rating Result
Ian Patterson 1229 0 - 1
David Hasen 1341 0 - 1
David Hasen 1341 0 - 1
Roger Beeson 1440 0 - 1
David Websdale 1480 0 - 1
David Websdale 1480 0 - 1
Thomas Garner 982 1 - 0
Jason Neish 1236 1 - 0
Michael C Stern 1390 0 - 1
Roger Beeson 1308 1 - 0
Ian Patterson 1242 ½ - ½
Neville T Rowden 1224 0 - 1
Giancarlo Ciraci 1186 1 - 0
Ashwin Balkrishna 1253 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1152 = (18132 + 400 * (4 - 9)) / 14)

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