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Individual Calculations January 2018 |
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| Collins, Christian Total change: -18.20 | |   |
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| 2017 RA December Open | Ottawa | CAN | 2017-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1873 | 1964 | 1.50 | 4 | -0.91 | 20 | -18.20 | |
|  Yang, Fan | | | 1948 | CAN | 0.00 | 1 | -0.52 | 20 | -10.40 | |  Fei, David | | | 1636 | CAN | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Gordon, David | c | | 2216 | CAN | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Xu, Daniel | | | 1690 | CAN | 0.50 | 1 | -0.33 | 20 | -6.60 | |
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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