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Individual Calculations August 2017 |
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| Ehsani, Yassamin L Total change: 23.20 | |   |
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| Panamerican Youth Championship 2017 Girls U-14 | San Jose | CRC | 2017-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1560 | 1588 | 6.00 | 8 | 1.83 | 40 | 73.20 | |
|  Sierra Berrocal, Gabriela | | | 1188 * | CRC | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Borda Rodas, Anapaola S. | | | 1761 | ARG | 1.00 | 1 | 0.73 | 40 | 29.20 | | | Arauco Celestino, Arianna Sofia | | | 1622 | PER | 1.00 | 1 | 0.55 | 40 | 22.00 | | | Gomez Vasquez, Laura Sofia | | | 1610 | COL | 0.50 | 1 | 0.03 | 40 | 1.20 | | | Ayinala, Shree | | | 1441 | USA | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Zeng, Sheena | | | 1599 | USA | 0.50 | 1 | 0.02 | 40 | 0.80 | | | He, Emma | | | 1558 | CAN | 0.00 | 1 | -0.54 | 40 | -21.60 | | | Condori, Ana Paula | | wc | 1703 | BOL | 1.00 | 1 | 0.66 | 40 | 26.40 | | | * 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) | | | | 2017 North American Youth Chess Championship - U14 Girls | Morristown, New Jersey | USA | 2017-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1561 | 1588 | 2.00 | 6 | -1.25 | 40 | -50.00 | |
| | Ayinala, Shree | | | 1441 | USA | 0.50 | 1 | -0.20 | 40 | -8.00 | | | Velea, Anne-Marie | | | 1464 | USA | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Qi, Katherene | | | 1557 | USA | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Wang, Ellen | | | 1533 | USA | 0.00 | 1 | -0.58 | 40 | -23.20 | | | Chen, Minda | | | 1835 | USA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Garai, Antara | | wc | 1537 | USA | 0.00 | 1 | -0.57 | 40 | -22.80 | |
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) | | |
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