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Individual Calculations July 2009 |
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| Cheng, Jack Total change: 35.00 | |   |
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| 3rd Annual Grand Pacific Open | Victoria | CAN | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2235 | 1975 | 2.00 | 4 | 1.26 | 25 | 31.50 | |
|  Ristovic, Nenad | f | | 2252 | CAN | 1.00 | 1 | 0.83 | 25 | 20.75 | |  Lee Jr, Vicente | m | | 2267 | CAN | 0.50 | 1 | 0.35 | 25 | 8.75 | | | Day, Lawrence | m | | 2274 | CAN | 0.00 | 1 | -0.15 | 25 | -3.75 | | | Patterson, Roger | | | 2148 | CAN | 0.50 | 1 | 0.23 | 25 | 5.75 | |
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) | | | | 34th Keres Memorial | Vancouver | CAN | 2009-05-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2159 | 1975 | 1.50 | 5 | 0.14 | 25 | 3.50 | |
| | Lee Jr., Vicente | m | | 2267 | CAN | 0.00 | 1 | -0.15 | 25 | -3.75 | | | Pechisker, Alfred | | | 2163 | CAN | 0.00 | 1 | -0.26 | 25 | -6.50 | | | Leblanc, Paul | | | 2005 | CAN | 1.00 | 1 | 0.54 | 25 | 13.50 | | | Milicevic, Dragoljub | | | 2128 | CAN | 0.00 | 1 | -0.30 | 25 | -7.50 | | | Gansvind, Valeriya | | wf | 2231 | EST | 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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