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Individual Calculations September 2011 |
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| Zhang, Zhiyuan Total change: 30.90 | |   |
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| 2011 Eastern Ontario Open | Ottawa, Ontario | CAN | 2011-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2125 | 1989 | 3.00 | 4 | 1.64 | 30 | 49.20 | |
|  Desjardins, Michel | | | 1983 | CAN | 0.50 | 1 | -0.01 | 30 | -0.30 | |  Forget, David | | | 2070 | CAN | 1.00 | 1 | 0.61 | 30 | 18.30 | | | Doubleday, William | | | 2088 | CAN | 1.00 | 1 | 0.64 | 30 | 19.20 | | | O`Donnell, Tom | m | | 2360 | CAN | 0.50 | 1 | 0.40 | 30 | 12.00 | |
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) | | | | 2011 Quebec Open | Montreal, Quebec | CAN | 2011-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2173 | 1988 | 0.50 | 4 | -0.61 | 30 | -18.30 | |
| | Ramaswamy, Kishor | | | 2128 | CAN | 0.00 | 1 | -0.31 | 30 | -9.30 | | | Tremblay, Alain | | | 2073 | CAN | 0.50 | 1 | 0.12 | 30 | 3.60 | | | Hebert, Jean | m | | 2388 * | CAN | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Robichaud, Louis | | | 2104 | CAN | 0.00 | 1 | -0.34 | 30 | -10.20 | | | * 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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