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Individual Calculations February 2018 |
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| Collins, Christian Total change: -13.20 | |   |
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| 2018 RA Winter Open | Ottawa | CAN | 2018-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1815 | 1946 | 2.00 | 4 | -0.66 | 20 | -13.20 | |
|  Villeneuve, Robert | | | 1923 | CAN | 0.50 | 1 | -0.03 | 20 | -0.60 | |  Mahdjoubi, Abdelaziz | | | 1694 | CAN | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Xu, Daniel | | | 1726 | CAN | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Doubleday, William G. | | | 1916 | CAN | 1.00 | 1 | 0.46 | 20 | 9.20 | |
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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