Event: Division 2

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Opponent	Rating	Result
Stuart R Acton	1268	½ - ½
Thomas Bennett	1693	0 - 1
Derek Toyne	1544	0 - 1
Bertie Leatham	1367	0 - 1
Stefan H Reiss	1401	0 - 1
Nigel Yates	1393	0 - 1
C Rodney S Mitchinson	1205	0 - 1
Theo Glassbrook	1639	0 - 1

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1089 = (11510 + 400 * (0 - 7)) / 8)