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Individual Calculations August 2021 |
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| Katz, Alexander Ross Total change: -8.80 | |   |
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| 14th Annual Philadelphia International - Premier | Philadelphia, Pennsylvania | USA | 2021-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2206 | 2398 | 5.00 | 9 | -1.55 | 10 | -15.50 | |
|  Maiti, Milind | | | 2068 | USA | 0.50 | 1 | -0.38 | 10 | -3.80 | |  Liu, Eric Chang | | | 1998 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Belous, Vladimir | g | | 2520 | RUS | 0.00 | 1 | -0.33 | 10 | -3.30 | | | Paciorkowski, Lev | | | 2220 | USA | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Chen, Ryo Wenyu | | | 2181 | USA | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Chasin, Nico Werner | f | | 2276 | USA | 0.50 | 1 | -0.17 | 10 | -1.70 | | | Woodward, Andy Austin | | | 2083 | USA | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Aaron, Deepak | | | 2296 | USA | 0.00 | 1 | -0.64 | 10 | -6.40 | | | Park, Evan | | | 2212 | USA | 0.50 | 1 | -0.24 | 10 | -2.40 | | | * 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 - Open | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2331 | 2405 | 6.00 | 9 | 0.67 | 10 | 6.70 | |
| | Atanasov, Anthony | f | | 2070 | CAN | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Andersen, Gunnar James | | | 2194 | USA | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Xiong, Jeffery | g | | 2709 | USA | 0.50 | 1 | 0.36 | 10 | 3.60 | | | Gledura, Benjamin | g | | 2629 | HUN | 0.00 | 1 | -0.22 | 10 | -2.20 | | | Chiu, Isaac | | | 2194 | USA | 0.50 | 1 | -0.27 | 10 | -2.70 | | | Ahlborg, John | | | 2224 | USA | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Rama, Tejas | | | 2151 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Andriasian, Zaven | g | | 2581 | ARM | 0.00 | 1 | -0.27 | 10 | -2.70 | | | Poliannikov, Danila | | | 2227 | USA | 1.00 | 1 | 0.27 | 10 | 2.70 | |
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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