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Individual Calculations May 2011 |
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| Richardson, Ross Total change: 27.25 | |   |
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| 5th Annual Grand Pacific Open | Victoria, British Columbia | CAN | 2011-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2136 | 1899 | 1.50 | 2 | 1.09 | 25 | 27.25 | |
|  Kostin, Andrey | | | 2116 | CAN | 1.00 | 1 | 0.78 | 25 | 19.50 | |  Patterson, Roger | | | 2155 | CAN | 0.50 | 1 | 0.31 | 25 | 7.75 | |
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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