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Individual Calculations August 2017 |
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| Vittal, Sanjana Total change: -8.40 | |   |
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| Panamerican Youth Championship 2017 Girls U-18 | San Jose | CRC | 2017-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1790 | 1870 | 5.50 | 9 | 0.11 | 40 | 4.40 | |
|  Zuniga Lara, Catalina Paz | | | 1571 | CHI | 1.00 | 1 | 0.15 | 40 | 6.00 | |  Velasquez, Angie Gabriela | | wf | 1724 | COL | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Bashkansky, Naomi | | wf | 1978 | USA | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Miller, Rachel | c | wf | 1857 | JAM | 0.00 | 1 | -0.52 | 40 | -20.80 | | | Matus, Nastassja A | | wf | 1865 | USA | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Ouellet, Maili-Jade | | wm | 1944 | CAN | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Avirneni, Saithanusri | | | 1766 | USA | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Guillen Cristobal, Sandra N | | | 1597 | MEX | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Wang, Constance | | | 1806 | CAN | 0.00 | 1 | -0.59 | 40 | -23.60 | |
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) | | | | 2017 North American Youth Chess Championship - U16 Girls | Morristown, New Jersey | USA | 2017-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1729 | 1870 | 5.00 | 8 | -0.32 | 40 | -12.80 | |
| | Tian, Shi Yuan | | | 1470 * | CAN | 0.00 | 1 | -0.92 | 40 | -36.80 | | | Chin, Angelica | | | 1718 | USA | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Liu, Kimberly | | | 1728 | USA | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Ramirez Toledo, Ayleen Maribel | | | 1523 | MEX | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Davis, Katherine S | | | 1805 | USA | 1.00 | 1 | 0.41 | 40 | 16.40 | | | Wang, Nancy | | | 1846 | USA | 1.00 | 1 | 0.47 | 40 | 18.80 | | | Jie, Tianhui | | | 1915 | USA | 0.50 | 1 | 0.06 | 40 | 2.40 | | | Deng, Queena | | | 1828 | USA | 0.00 | 1 | -0.56 | 40 | -22.40 | | | * 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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