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Individual Calculations August 2023 |
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| Qiao, Ethan Total change: -1.20 | |   |
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| 51st annual World Open - U2200 | Philadelphia, PA | USA | 2023-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1640 | 1584 | 3.00 | 8 | -0.49 | 40 | -19.60 | |
|  Baalla, Nura | | | 1674 | USA | 0.00 | 1 | -0.38 | 40 | -15.20 | |  Fang, Arabella | | | 1541 | USA | 0.50 | 1 | -0.06 | 40 | -2.40 | | | Cheng, Justin Hong | | | 1852 | HKG | 0.50 | 1 | 0.33 | 40 | 13.20 | | | He, Justin Shandong Shan | | | 1535 | USA | 0.00 | 1 | -0.57 | 40 | -22.80 | | | Montalti, Gianluca | | | 1611 | USA | 1.00 | 1 | 0.54 | 40 | 21.60 | | | Martinez, Shawn | | | 1881 | USA | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Shrigadi, Aryan | | | 1544 | USA | 0.00 | 1 | -0.56 | 40 | -22.40 | | | Deng, Michael | | | 1483 | USA | 1.00 | 1 | 0.36 | 40 | 14.40 | |
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) | | | | 53rd annual Continental Open - U2100 | Marlborough, MA | USA | 2023-07-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1574 | 1584 | 2.00 | 3 | 0.46 | 40 | 18.40 | |
| | Wu, Stanley | | | 1553 | USA | 0.00 | 1 | -0.54 | 40 | -21.60 | | | Li, Sophie | | | 1495 | USA | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Wang, Rachel Zihan | | | 1675 | CAN | 1.00 | 1 | 0.62 | 40 | 24.80 | |
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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