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Individual Calculations August 2021 |
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| Su, Ethan Total change: 78.00 | |   |
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| 14th Annual Philadelphia International - Premier | Philadelphia, Pennsylvania | USA | 2021-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2057 | 1759 | 1.50 | 7 | 0.38 | 40 | 15.20 | |
|  Chasin, Nico Werner | f | | 2159 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Proleiko, Julian | | | 2134 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Li, Hanxiang | | | 2118 | CHN | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Lu, Ming | | | 2149 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Johnson, Donald | | | 1966 | USA | 0.00 | 1 | -0.23 | 40 | -9.20 | | | De Fotis, Gary C | | | 1890 | USA | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Kondakov, Adrian | c | | 1986 | USA | 0.50 | 1 | 0.29 | 40 | 11.60 | | | * 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) | | | | 49th Annual World Open - Under 2200 | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1853 | 1716 | 4.50 | 9 | 1.57 | 40 | 62.80 | |
| | Tracey, Shaun | | | 1627 | CAY | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Tamkan, Ekrem | | | 1874 | TUR | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Xu, Ryan | | | 1805 | USA | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Hyland, Mark Daniel | | | 1833 | USA | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Atakay, Mustafa | | | 1922 | USA | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Modi, Ethan | | | 1872 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Tia, Rudy Goce | | | 1798 | PNG | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Barrow, William | | | 1927 | USA | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Baez, Luis | | | 2017 | PUR | 1.00 | 1 | 0.85 | 40 | 34.00 | |
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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