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Individual Calculations December 2018 |
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| Tang, Andrew Total change: 19.70 | |   |
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| 2018 U.S. Class Championship | Plymouth, Minnesota | USA | 2018-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2089 | 2467 | 5.00 | 5 | 0.47 | 10 | 4.70 | |
|  Jin, Ashton | | | 2067 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Wiebe, Isaac | | | 2098 | CAN | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Salazar, Aura Cristina | | wm | 2148 | COL | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Gibbins, Wilson | | | 2067 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Singh, Hersh | | | 2067 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | * 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) | | | | 49th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2018-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2385 | 2467 | 5.00 | 6 | 1.50 | 10 | 15.00 | |
| | Narkeeran, Madhavan | | | 2067 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Tian, Eddy | | | 2151 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Lenderman, Aleksandr | g | | 2627 | USA | 0.50 | 1 | 0.21 | 10 | 2.10 | | | Rohde, Michael | g | | 2353 | USA | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Barbosa, Oliver | g | | 2557 | PHI | 1.00 | 1 | 0.62 | 10 | 6.20 | | | Azarov, Sergei | g | | 2556 | BLR | 0.50 | 1 | 0.12 | 10 | 1.20 | | | * 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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