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Individual Calculations September 2023 |
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| Shen, Alice Total change: -45.20 | |   |
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| 1st Annual Pennsylvania Classic | Langhorne, Pennsylvania | USA | 2023-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1496 | 1550 | 0.50 | 3 | -1.21 | 40 | -48.40 | |
|  Calvin, Du | | | 1667 | USA | 0.00 | 1 | -0.34 | 40 | -13.60 | |  Kollur, Anshul | | | 1448 | USA | 0.00 | 1 | -0.64 | 40 | -25.60 | | | Lilianna, Gao | | | 1373 | USA | 0.50 | 1 | -0.23 | 40 | -9.20 | |
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 8 Female | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1192 | 1592 | 1.00 | 1 | 0.08 | 40 | 3.20 | |
| | Valenzuela Reinoso, Safrys | | | 1192 * | PER | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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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