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Individual Calculations September 2023 |
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| Pham, Linda Total change: 42.40 | |   |
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| 2023 U.S. Junior Open Championship | Elmhurst, IL | USA | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1700 | 1350 | 1.00 | 3 | 0.65 | 40 | 26.00 | |
|  Prabhu, Sanjith | | | 1690 | USA | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Feng, Jay | | | 1775 | USA | 0.50 | 1 | 0.43 | 40 | 17.20 | | | Heller, Harry | | | 1636 | USA | 0.00 | 1 | -0.16 | 40 | -6.40 | |
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) | | | | XXXIII Pan-American Youth Chess Festival - Under 14 Female | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1544 | 1350 | 2.00 | 5 | 0.41 | 40 | 16.40 | |
| | Gaw, Chloe | | | 1874 | USA | 0.00 | 1 | -0.03 | 40 | -1.20 | |  Yu, Avery | | | 1800 | USA | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Doan, Emilyn Chiu | | | 1118 | USA | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Arivoli, Sadhana | | | 1381 | USA | 1.00 | 1 | 0.54 | 40 | 21.60 | | | Herrada, Blanco Maria Fernanda | | | 1545 | PER | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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) | | |
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