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Individual Calculations January 2012 |
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| Zhang, Yuanchen Total change: 23.85 | |   |
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| World Youth Chess Championship - U 10 Open | Caldas Novas/GO | BRA | 2011-11-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1864 | 1794 | 2.00 | 4 | 0.31 | 15 | 4.65 | |
|  Aleksandrov, Zakhar | | | 2116 | RUS | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Berardo, Tomas | | | 1656 | ARG | 1.00 | 1 | 0.31 | 15 | 4.65 | |  Quirhuayo, Gonzalo | f | | 1764 | PER | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Li, Ruifeng | | | 1919 | USA | 0.00 | 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) | | | | 2011 Hart House Holidays Open | Toronto, Ontario | CAN | 2011-12-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2115 | 1794 | 2.00 | 5 | 1.28 | 15 | 19.20 | |
| | Birarov, Vladimir | | | 2194 * | ISR | 1.00 | 1 | 0.92 | 15 | 13.80 | | | Calugar, Arthur | m | | 2194 * | CAN | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Vavrak, Peter | m | | 2194 * | SVK | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Olheiser, Gordon | | | 1963 | CAN | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Itkin, David | | | 2031 | CAN | 0.50 | 1 | 0.30 | 15 | 4.50 | | | * 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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