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Individual Calculations September 2009 |
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| Mackay, Ian Total change: -18.15 | |   |
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| 2009 Canadian Open | Edmonton, Alberta | CAN | 2009-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2369 | 2307 | 0.50 | 4 | -1.21 | 15 | -18.15 | |
|  Mikhalevski, Victor | g | | 2631 | ISR | 0.00 | 1 | -0.13 | 15 | -1.95 | |  Tayar, Jonathan | f | | 2342 | CAN | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Gerzhoy, Leonid | m | | 2409 | CAN | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Sundar, Avinaash | | | 2093 | CAN | 0.00 | 1 | -0.77 | 15 | -11.55 | |
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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