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Individual Calculations September 2019 |
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| Qin, Vincent Total change: 21.60 | |   |
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| 2019 BAC Summer Championship - U2000 | Santa Clara, California | USA | 2019-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1129 | 1529 | 0.50 | 1 | -0.42 | 40 | -16.80 | |
|  Zhang, Benjamin | | | 1129 * | 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) | | | | BAC August Championship - U2000 | Santa Clara, California | USA | 2019-08-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1485 | 1489 | 3.50 | 5 | 0.96 | 40 | 38.40 | |
| | Liang, Ethan | | | 1471 | USA | 1.00 | 1 | 0.47 | 40 | 18.80 | |  Chang, Kyle | | | 1447 | USA | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Mohammed, Mansoor | | | 1661 | USA | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Mishra, Priyadarsi | | | 1468 | USA | 0.50 | 1 | -0.03 | 40 | -1.20 | | | Wang, Sophie | | | 1380 | USA | 1.00 | 1 | 0.35 | 40 | 14.00 | |
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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