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Individual Calculations July 2009 |
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| Pechisker, Alfred Total change: 28.65 | |   |
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| British Columbia Closed Championship 2008 | Vancouver | CAN | 2008-10-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2217 | 2163 | 5.00 | 7 | 2.02 | 15 | 30.30 | |
|  Davies, Lucas | | | 2170 | CAN | 1.00 | 1 | 0.51 | 15 | 7.65 | |  Patterson, Roger | | | 2148 | CAN | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Berry, Jonathan | f | | 2229 | CAN | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Wu, Howard | | | 2207 | CAN | 1.00 | 1 | 0.56 | 15 | 8.40 | | | McLaren, Brian | | | 2222 | CAN | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Jiganchine, Roman | | | 2217 | CAN | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Mackay, Ian D | f | | 2326 | SCO | 1.00 | 1 | 0.72 | 15 | 10.80 | |
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) | | | | 34th Keres Memorial | Vancouver | CAN | 2009-05-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2211 | 2163 | 2.50 | 6 | -0.11 | 15 | -1.65 | |
| | Cheng, Bindi | f | | 2361 | CAN | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Cheng, Jack | | | 1975 | CAN | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Piasetski, Leon | m | | 2288 | CAN | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Jiganchine, Roman | | | 2217 | CAN | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Yoos, Jack | f | | 2360 | CAN | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Trochtchanovitch, Pavel | | | 2065 | CAN | 0.00 | 1 | -0.63 | 15 | -9.45 | |
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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