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Individual Calculations July 2009 |
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| Mayo, Alvah Total change: 12.60 | |   |
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| 2009 RA Winter Open | Ottawa | CAN | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2232 | 2056 | 2.00 | 4 | 0.84 | 15 | 12.60 | |
|  Qin, Joey | | | 2145 | CAN | 1.00 | 1 | 0.62 | 15 | 9.30 | |  Hebert, Jean | m | | 2397 | CAN | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Palsson, Halldor Peter | | | 2094 | CAN | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Hamilton, Robert | f | | 2290 | CAN | 0.00 | 1 | -0.21 | 15 | -3.15 | |
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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