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Individual Calculations August 2012 |
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| Roback, Joe Total change: -19.50 | |   |
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| 2012 Canadian Open Ch | Victoria, British Columbia | CAN | 2012-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2019 | 1953 | 1.00 | 4 | -0.65 | 30 | -19.50 | |
|  Davies, Lucas | | | 2174 | CAN | 0.00 | 1 | -0.22 | 30 | -6.60 | |  Botez, Alexandra | | wc | 2008 | CAN | 0.00 | 1 | -0.42 | 30 | -12.60 | | | Xiao, Alice | | | 1877 | CAN | 1.00 | 1 | 0.40 | 30 | 12.00 | | | Cao, Jason | f | | 2016 | CAN | 0.00 | 1 | -0.41 | 30 | -12.30 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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