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Individual Calculations February 2015 |
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| Kellar, Ben Total change: -30.40 | |   |
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| 2015 RA Winter Open | Ottawa | CAN | 2015-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1921 | 1873 | 1.00 | 4 | -0.76 | 40 | -30.40 | |
|  Zhou, Qiyu | | wf | 2066 | CAN | 0.00 | 1 | -0.25 | 40 | -10.00 | |  Miller, Rachel | | wf | 1779 | JAM | 0.50 | 1 | -0.13 | 40 | -5.20 | | | Yao, Sammy | | | 1984 | CAN | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Barlow Wilkes, Curtis | | | 1853 | CAN | 0.50 | 1 | -0.03 | 40 | -1.20 | |
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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