Event: Division 2

Opponent Rating Result
Tom A Barton 1935 ½ - ½
D Ian Calvert 1993 ½ - ½
John M Bennett 2112 ½ - ½
John Cawdery 2068 1 - 0
Mark J Dubey 2022 1 - 0
Anthony C Ashby 2050 ½ - ½
Shahjahon Saidmurodov 2151 ½ - ½
Peter Finn 2175 ½ - ½
Ryan Randall 2229 1 - 0
David A Sands 2246 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2178 = (20981 + 400 * (3 - 1)) / 10)

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