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Individual Calculations September 2010 |
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| Zhang, David Total change: 67.15 | |   |
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| 2010 Calgary June FIDE Sectional | Calgary, Alberta | CAN | 2010-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2178 | 1970 | 3.00 | 5 | 1.75 | 25 | 43.75 | |
|  Kazmaier, Daniel | | | 2157 | CAN | 1.00 | 1 | 0.74 | 25 | 18.50 | | | Wen, Jean-Francois | | | 2114 | CAN | 1.00 | 1 | 0.69 | 25 | 17.25 | |  Hansen, Eric | f | | 2370 * | CAN | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Haessel, Dale | f | | 2207 | CAN | 0.50 | 1 | 0.30 | 25 | 7.50 | | | Yearwood, Roy | | | 2044 | CAN | 0.50 | 1 | 0.10 | 25 | 2.50 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | NOTE: K factor changed | | 2010 CAN Youth Ch U16 Open | Windsor, Ontario | CAN | 2010-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2067 | 1970 | 3.50 | 6 | 1.24 | 15 | 18.60 | |
| | Wu, Kevin | | | 1891 | CAN | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Xiong, Jerry | | | 2096 | CAN | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Wang, Jesse B | | | 2005 | CAN | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Li, Ruokai David | | | 2017 | CAN | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Calugar, Arthur | | | 2144 | CAN | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Sapozhnikov, Roman | | | 2248 | CAN | 0.50 | 1 | 0.33 | 15 | 4.95 | |
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) | | | NOTE: K factor changed | | 2010 Battle of Alberta | Red Deer, Alberta | CAN | 2010-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2088 | 1970 | 1.00 | 2 | 0.32 | 15 | 4.80 | |
| | Grumic, Sasa | | | 2088 | CAN | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Grumic, Sasa | | | 2088 | CAN | 1.00 | 1 | 0.66 | 15 | 9.90 | |
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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