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Individual Calculations January 2012 |
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| Xiong, Jeffrey Total change: 41.10 | |   |
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| 2011 Spice Cup Amateur FIDE Rated Open | Lubbock, Texas | USA | 2011-10-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2007 | 1992 | 1.50 | 2 | 0.54 | 15 | 8.10 | |
|  Li, Ruifeng | | | 1848 | USA | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Jung, Hans | f | | 2165 | CAN | 1.00 | 1 | 0.73 | 15 | 10.95 | |
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) | | | | World Youth Sendoff | Richardson, TX | USA | 2011-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2067 | 2056 | 2.50 | 3 | 0.96 | 15 | 14.40 | |
|  Li, Ruifeng | | | 1919 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Li, Wen Liang | m | | 2438 | CHN | 1.00 | 1 | 0.91 | 15 | 13.65 | | | He, Tommy O | f | | 1844 | USA | 0.50 | 1 | -0.27 | 15 | -4.05 | |
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) | | | | World Youth Chess Championship - U 12 Open | Caldas Novas/GO | BRA | 2011-11-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1942 | 2056 | 7.00 | 9 | 1.24 | 15 | 18.60 | |
| | Pereira, Marcus Vinicius Rocha | | | 1656 * | BRA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Johnson, Joshua | | | 1862 | TRI | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Chiang, Jonathan | | | 1951 | USA | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Preotu, Razvan | | | 1979 | CAN | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Harshal, Shahi | f | | 1889 | IND | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Hetul, Shah | | | 1983 | IND | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Perske, Thore | | | 1923 | GER | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Cori Quispe, Kevin | | | 2008 | PER | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Gledura, Benjamin | f | | 2230 | HUN | 0.50 | 1 | 0.23 | 15 | 3.45 | | | * 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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