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Individual Calculations January 2012 |
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| Cummings, David Total change: -11.90 | |   |
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| 2011 Hart House Holidays Open | Toronto, Ontario | CAN | 2011-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2067 | 2354 | 3.00 | 5 | -1.19 | 10 | -11.90 | |
|  Song, Michael | | | 2032 | CAN | 0.00 | 1 | -0.87 | 10 | -8.70 | | | Abrahams, Daniel | | | 2007 | CAN | 1.00 | 1 | 0.11 | 10 | 1.10 | |  Agbabishvili, Lali | | | 2019 | CAN | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Zeromskis, Egidijus | | | 2153 | CAN | 0.50 | 1 | -0.26 | 10 | -2.60 | | | Filipovich, David | | | 2124 | CAN | 0.50 | 1 | -0.29 | 10 | -2.90 | |
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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