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Individual Calculations September 2021 |
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| Espinosa, Pedro Total change: -10.00 | |   |
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| 2021 North American Youth Chess Championships - Open Under 18 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1927 | 1841 | 3.00 | 8 | -0.25 | 40 | -10.00 | |
|  Mardov, Dimitar | f | | 2241 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Chasin, Nico Werner | f | | 2241 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Major, Richard | | | 1445 | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Kung, Thomas | | | 2200 | USA | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Shah, Kai Mahesh | | | 1781 | USA | 0.00 | 1 | -0.58 | 40 | -23.20 | | | Rama, Vikas | | | 1534 | USA | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Jin, Ashton | | | 2074 | USA | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Balderas Garza, Adolfo | | | 1898 | MEX | 0.00 | 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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