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Individual Calculations September 2010 |
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| Cummings, David Total change: -6.00 | |   |
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| 2010 Hart House Summer Open | Toronto, Ontario | CAN | 2010-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2401 | 2375 | 0.00 | 1 | -0.46 | 10 | -4.60 | |
|  Samsonkin, Artiom | m | | 2401 | CAN | 0.00 | 1 | -0.46 | 10 | -4.60 | |
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) | | | | 2010 Canadian Open | Toronto, Ontario | CAN | 2010-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2158 | 2375 | 6.00 | 8 | -0.14 | 10 | -1.40 | |
| | Modwal, Sankalp | | | 2177 | IND | 0.50 | 1 | -0.26 | 10 | -2.60 | |  Morrison, Kyle | | | 2234 | CAN | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Abrahams, Daniel | | | 1975 * | CAN | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Haessel, Dale | f | | 2243 | CAN | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Walton, Alan J. | c | | 2147 | ENG | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Mackinnon, Keith | | | 2140 | CAN | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Hambleton, Aman | f | | 2131 | CAN | 0.50 | 1 | -0.30 | 10 | -3.00 | | | Aronov, Yuri | | | 2219 | RSA | 0.50 | 1 | -0.21 | 10 | -2.10 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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