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Individual Calculations September 2009 |
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| Xiong, Jerry Total change: 9.25 | |   |
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| 2009 Eastern Ontario Open Section A | Ottawa, Ontario | CAN | 2009-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2101 | 2047 | 1.00 | 3 | -0.29 | 25 | -7.25 | |
|  Pacey, Kevin | | | 2247 | CAN | 0.50 | 1 | 0.26 | 25 | 6.50 | |  Fritzsche, Helmut | | | 2140 | GER | 0.50 | 1 | 0.13 | 25 | 3.25 | | | Upper, John | | | 1915 | CAN | 0.00 | 1 | -0.68 | 25 | -17.00 | |
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 Youth Ch U16 Open | Victoria, British Columbia | CAN | 2009-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2060 | 2036 | 3.00 | 5 | 0.66 | 25 | 16.50 | |
| | Mackinnon, Keith | | | 2148 | CAN | 1.00 | 1 | 0.65 | 25 | 16.25 | | | Martchenko, Alexander | | | 2039 | CAN | 1.00 | 1 | 0.50 | 25 | 12.50 | | | Sapozhnikov, Roman | | | 2176 | CAN | 0.50 | 1 | 0.19 | 25 | 4.75 | | | Szalay, Karoly | | | 2050 | CAN | 0.00 | 1 | -0.48 | 25 | -12.00 | | | Huang, Richard | | | 1888 | CAN | 0.50 | 1 | -0.20 | 25 | -5.00 | |
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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