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Individual Calculations July 2009 |
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| Berry, Jonathan Total change: 20.10 | |   |
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| British Columbia Closed Championship 2008 | Vancouver | CAN | 2008-10-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2208 | 2229 | 5.50 | 7 | 1.79 | 15 | 26.85 | |
|  McLaren, Brian | | | 2222 | CAN | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Wu, Howard | | | 2207 | CAN | 1.00 | 1 | 0.47 | 15 | 7.05 | |  Pechisker, Alfred | | | 2163 | CAN | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Jiganchine, Roman | | | 2217 | CAN | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Mackay, Ian D | f | | 2326 | SCO | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Davies, Lucas | | | 2170 | CAN | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Patterson, Roger | | | 2148 | CAN | 0.50 | 1 | -0.11 | 15 | -1.65 | |
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) | | | | 3rd Annual Grand Pacific Open | Victoria | CAN | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2034 | 2229 | 1.00 | 2 | -0.45 | 15 | -6.75 | |
| | Huang, Richard | | | 1879 | CAN | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Chen, Howard | | | 2189 | USA | 0.50 | 1 | -0.06 | 15 | -0.90 | |
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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