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Individual Calculations February 2019 |
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| Zavortink, Matt Total change: -3.60 | |   |
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| 28th Annual North American Open | Las Vegas, Nevada | USA | 2018-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2117 | 2160 | 4.50 | 9 | -0.49 | 20 | -9.80 | |
|  Pakleza, Zbigniew | g | | 2506 | POL | 0.00 | 1 | -0.11 | 20 | -2.20 | |  Del Rosario, Frisco | | | 1780 | USA | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Venkataraman, Karthik | g | | 2527 | IND | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Osaka, Takuma | c | | 1958 | JPN | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Encinas Varela, David | | | 1885 | MEX | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Yuan, Yuanling | | wm | 2265 | CAN | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Wen, Teddie | | | 1911 | USA | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Chua, Alexander | f | | 2291 | USA | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Shawkat, Saif | | | 1930 | USA | 1.00 | 1 | 0.21 | 20 | 4.20 | |
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) | | | | PNWCC FIDE Open - Olympiad Gold | Kirkland, Washington | USA | 2019-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2074 | 2160 | 4.50 | 7 | 0.31 | 20 | 6.20 | |
| | Zhang, Brendan | | | 1952 | USA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Tarjan, James Edward | g | | 2402 | USA | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Jiang, Brandon | | | 1760 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Irgaliyev, Alikhan | | | 2191 | KAZ | 0.50 | 1 | 0.04 | 20 | 0.80 | | | He, Anthony Bi | f | | 2265 | USA | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Perez, Ignacio | f | | 2023 | USA | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Deshpande, Aaryan | | | 1922 | USA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | * 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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