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Individual Calculations September 2011 |
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| Peng, Jackie Total change: 45.00 | |   |
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| XXII Torneo Panamericano de Ajedrez de la Juventud 2011 U-14 Femenino | Cali | COL | 2011-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1750 | 1854 | 4.00 | 7 | -0.44 | 15 | -6.60 | |
|  Salazar Ramos, Diana Carolina | | | 1706 | PER | 0.50 | 1 | -0.20 | 15 | -3.00 | |  Diaz Alarcon, Maria Fernanda | | | 1707 | ECU | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Hernandez Fonseca, Maria Paula | | | 1988 | COL | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Velarde Munante, Gloria Isabel | | | 1662 | PER | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Smith, Javanna | | wc | 1679 | TRI | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Aponte, Oriana Isabel | | | 1872 | VEN | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Clavijo, Indira | | | 1639 | PER | 1.00 | 1 | 0.23 | 15 | 3.45 | |
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) | | | | 48th Canadian Open Chess Championship 2011 | Toronto, Ontario | CAN | 2011-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2051 | 1854 | 1.50 | 4 | 0.45 | 15 | 6.75 | |
| | Castaneda, Nelson | f | | 2229 | USA | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Frilles, Ruperto | | | 2057 | CAN | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Grecu, Veaceslav | | | 1900 | MDA | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Willis, Bradley J | | | 2019 | CAN | 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) | | | | 2011 Canadian Amateur Ch | Kitchener, Ontario | CAN | 2011-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2026 | 1854 | 5.00 | 7 | 2.99 | 15 | 44.85 | |
| | Peredun, Andrew | f | | 2254 * | CAN | 1.00 | 1 | 0.92 | 15 | 13.80 | | | Drkulec, Vladimir | | | 2002 | CAN | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Fu, James | | | 2051 | CAN | 1.00 | 1 | 0.75 | 15 | 11.25 | | | Olheiser, Gordon | | | 1926 | CAN | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Nicholson, Matthew | | | 1933 | CAN | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Rachar, Sean | | | 2012 | CAN | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Wang, Jesse B | | | 2007 | CAN | 1.00 | 1 | 0.70 | 15 | 10.50 | | | * 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) | | |
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