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Individual Calculations August 2017 |
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| Velea, Stephanie Total change: -6.80 | |   |
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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 |
| 1335 | 1350 | 2.00 | 5 | -0.59 | 40 | -23.60 | |
|  Wang, Ellen | | | 1533 | USA | 0.00 | 1 | -0.26 | 40 | -10.40 | |  Sara, Gupta | | | 1142 | USA | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Gorti, Atmika | | wc | 1633 | USA | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Pisani Revilla, Andrea Elaine | | | 1057 | VEN | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Rajaram, Anika | | wc | 1311 | USA | 0.00 | 1 | -0.55 | 40 | -22.00 | |
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 |
| 1236 | 1350 | 3.00 | 4 | 0.42 | 40 | 16.80 | |
| | Wang, Tianna | | | 1308 | USA | 0.50 | 1 | -0.06 | 40 | -2.40 | | | Lin, Angela | | | 1120 | CAN | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Velea, Sophie | | wc | 1396 | USA | 1.00 | 1 | 0.56 | 40 | 22.40 | | | Wen, Kally | | | 1120 | USA | 0.50 | 1 | -0.29 | 40 | -11.60 | |
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) | | |
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