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Individual Calculations August 2021 |
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| Wang, Tianna Total change: 74.00 | |   |
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| 49th Annual World Open - Under 2000 | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1600 | 1399 | 2.00 | 4 | 0.97 | 40 | 38.80 | |
|  Nair, Advait | | | 1523 | USA | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Xu, Noah L | | | 1559 | USA | 1.00 | 1 | 0.71 | 40 | 28.40 | |  Chu, Xiaoman | | | 1772 | CHN | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Baim, Elvin | | | 1544 | AZE | 0.00 | 1 | -0.31 | 40 | -12.40 | |
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) | | | | 26th Annual Bradley Open - Under 2100 | Windsor Locks, Connecticut | USA | 2021-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1516 | 1399 | 2.00 | 3 | 0.88 | 40 | 35.20 | |
| | Pedrosa, Jose David | | | 1590 | PUR | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Gaw, Chloe | | | 1766 | USA | 1.00 | 1 | 0.90 | 40 | 36.00 | | | Qian, Bobby | | | 1192 | USA | 1.00 | 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) | | |
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