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Individual Calculations September 2009 |
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| Cheng, Jack (kun) Total change: -22.75 | |   |
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| 2009 Canadian Youth Ch U14 Open | Victoria, British Columbia | CAN | 2009-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2088 | 2010 | 0.00 | 1 | -0.39 | 25 | -9.75 | |
|  Kaminski, Thomas | | | 2088 | CAN | 0.00 | 1 | -0.39 | 25 | -9.75 | |
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) | | | | 2009 Canadian Junior Ch | Victoria, British Columbia | CAN | 2009-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2145 | 2010 | 0.50 | 3 | -0.52 | 25 | -13.00 | |
|  Panjwani, Raja | f | | 2350 | CAN | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Li, Changhe | | | 2014 | CAN | 0.50 | 1 | 0.01 | 25 | 0.25 | | | Calugar, Arthur | | | 2072 | CAN | 0.00 | 1 | -0.41 | 25 | -10.25 | |
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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