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Individual Calculations July 2021 |
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| Guo, Ethan Total change: 0.00 | |   |
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| 2021 National Open - Under 2100 | Las Vegas, Nevada | USA | 2021-06-17 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1795 | 0 | 1.50 | 4 | 0.00 | 1708 | | 0.00 | |
|  Porcelli, Michael William | | | 1767 | USA | 0.50 | 1 | 0.00 | | 0.00 | |  Buyo, Glenn | | | 1939 | USA | 0.00 | 1 | 0.00 | | 0.00 | | | Hough, Randall D | | | 1762 | USA | 1.00 | 1 | 0.00 | | 0.00 | | | Weng, Nicholas Ruogu | | | 1711 | USA | 0.00 | 1 | 0.00 | | 0.00 | |
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) | | | | 15th Annual Philadelphia Open - Under 2100 | Philadelphia, Pennsylvania | USA | 2021-06-25 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1426 | 0 | 0.00 | 1 | 0.00 | 626 | | 0.00 | |
| | Cobbs, Kenneth | | | 1426 | USA | 0.00 | 1 | 0.00 | | 0.00 | |
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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