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Individual Calculations August 2017 |
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| Velea, Sophie Total change: -78.80 | |   |
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| Panamerican Youth Championship 2017 Girls U-10 | San Jose | CRC | 2017-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1384 | 1396 | 2.00 | 5 | -0.53 | 40 | -21.20 | |
|  Pisani Revilla, Andrea Elaine | | | 1057 | VEN | 1.00 | 1 | 0.12 | 40 | 4.80 | |  Gorti, Atmika | | wc | 1633 | USA | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Bravo Mallco, Kate Azumi | | | 1433 | PER | 0.00 | 1 | -0.45 | 40 | -18.00 | | | Wang, Ellen | | | 1533 | USA | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Contreras Quintero, Brigit Vyany | | wc | 1265 | VEN | 1.00 | 1 | 0.32 | 40 | 12.80 | |
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) | | | | 2017 North American Youth Chess Championship - U10 Girls | Morristown, New Jersey | USA | 2017-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1245 | 1396 | 2.00 | 5 | -1.44 | 40 | -57.60 | |
| | Gupta, Sara Sachin | | | 1142 | USA | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Wang, Tianna | | | 1308 | USA | 0.00 | 1 | -0.62 | 40 | -24.80 | | | Lin, Angela | | | 1120 | CAN | 0.00 | 1 | -0.83 | 40 | -33.20 | | | Jin, Lisa | | | 1306 | USA | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Velea, Stephanie | | | 1350 | USA | 0.00 | 1 | -0.56 | 40 | -22.40 | |
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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