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Individual Calculations September 2021 |
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| Chasin, Nico Werner Total change: -57.00 | |   |
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| 11th Annual Dewain Barber National Tournament of Middle School State Champions | Cherry Hill, New Jersey | USA | 2021-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2047 | 2300 | 4.00 | 6 | -0.74 | 20 | -14.80 | |
|  Wu, Ryan Boyd | | | 1900 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Ye, Chen-Chen | | | 1900 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Cavanah, Troy | | | 2006 | USA | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Luo, Terry | | | 2124 | USA | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Puri, Arjun | | | 2078 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Park, Evan | | | 2274 | USA | 0.00 | 1 | -0.54 | 20 | -10.80 | | | * 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) | | | | 2021 North American Youth Chess Championships - Open Under 18 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2061 | 2297 | 4.00 | 8 | -2.11 | 20 | -42.20 | |
| | Shah, Kai Mahesh | | | 1897 * | USA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Espinosa, Pedro | | | 1897 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Chen, Justin | f | | 2275 | USA | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Moor, Nathaniel | | | 2041 | USA | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Balderas Garza, Adolfo | | | 1898 | MEX | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Atanasov, Anthony | f | | 2196 | CAN | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Paul, Justin | f | | 2281 | USA | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Clasby, Derek | | | 2001 | USA | 0.50 | 1 | -0.35 | 20 | -7.00 | | | * 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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