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Individual Calculations August 2021 |
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| Chan, Matthew M Total change: -46.00 | |   |
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| 49th Annual World Open - Under 2200 | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1868 | 1906 | 2.50 | 6 | -0.73 | 40 | -29.20 | |
|  Yedidia, Daniel | | | 1997 | USA | 1.00 | 1 | 0.62 | 40 | 24.80 | |  Cardinal, Scott Matthew | | | 1702 | USA | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Ture, Taner | | | 2008 | USA | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Deatrick, Alexander | | | 1958 | USA | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Tang, Austin | | | 1583 | USA | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Hua, Charles | | | 1958 | USA | 0.00 | 1 | -0.43 | 40 | -17.20 | |
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) | | | | 26th Annual Bradley Open - Under 2100 | Windsor Locks, Connecticut | USA | 2021-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1506 | 1906 | 0.50 | 1 | -0.42 | 40 | -16.80 | |
| | Wang, Ryan | | | 1506 * | USA | 0.50 | 1 | -0.42 | 40 | -16.80 | | | * 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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