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Individual Calculations September 2023 |
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| Mitkov, Nikola Total change: -19.40 | |   |
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| 2023 U.S. Senior Open Championship | Elmhurst, IL | USA | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2042 | 2447 | 4.00 | 5 | -0.35 | 10 | -3.50 | |
|  Ng, Matthew K | | | 1757 | USA | 0.50 | 1 | -0.49 | 10 | -4.90 | | | Hoffman, Guy G | | | 2047 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Mills, James A | | | 1887 | USA | 1.00 | 1 | 0.02 | 10 | 0.20 | | | Bereolos, Peter | f | | 2158 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Fishbein, Alexander | g | | 2363 | USA | 0.50 | 1 | -0.12 | 10 | -1.20 | | | * 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) | | | | 31st annual Southern Open - Major | Orlando, FL | USA | 2023-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2038 | 2447 | 3.00 | 4 | -0.66 | 10 | -6.60 | |
| | Wilson, Otis C | | | 1963 | USA | 0.00 | 1 | -0.95 | 10 | -9.50 | | | Fetlyaev, Aleks | | | 2047 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Abreu, Guilherme Correa | | | 1976 | BRA | 1.00 | 1 | 0.05 | 10 | 0.50 | | | Hallayeva, Bahar | | wf | 2166 | TKM | 1.00 | 1 | 0.16 | 10 | 1.60 | | | * 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) | | | | 1000GM Ft. Lauderdale GM Norm RR | Ft. Lauderdale, FL | USA | 2023-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2392 | 2420 | 4.50 | 8 | 0.19 | 10 | 1.90 | |
| | Arnaudov, G Petar | g | | 2438 | BUL | 0.50 | 1 | 0.03 | 10 | 0.30 | | | Schmakel, Sam | m | | 2455 | USA | 0.50 | 1 | 0.05 | 10 | 0.50 | | | Georgiev, Vladimir | g | | 2421 | MKD | 0.50 | 1 | 0.00 | 10 | 0.00 | | | Heimann, Mark | m | | 2440 | USA | 1.00 | 1 | 0.53 | 10 | 5.30 | | | Chambers, Ezra | f | | 2337 | BDI | 1.00 | 1 | 0.39 | 10 | 3.90 | | | Jacobson, Aaron | f | | 2343 | USA | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Kunka, Harshid | f | | 2348 | USA | 0.50 | 1 | -0.10 | 10 | -1.00 | | | Luo, Terry | f | | 2351 | USA | 0.00 | 1 | -0.60 | 10 | -6.00 | |
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) | | | | Campeonato Nacional e Internacional de Ajedrez Aguascalientes 2023 Internacional | Aguascalientes, Aguascalientes | MEX | 2023-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2191 | 2420 | 5.00 | 8 | -1.12 | 10 | -11.20 | |
| | Baeza, Patricio | | | 2020 * | MEX | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Miranda Rodriguez, Tania | | wm | 2126 | MEX | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Ruiz Perez, Juan Octavio | | | 2053 | MEX | 0.50 | 1 | -0.40 | 10 | -4.00 | | | Garcia Nevarez, Moises Omar | | | 2103 | MEX | 0.50 | 1 | -0.37 | 10 | -3.70 | | | Torres Rosas, Luis Carlos | m | | 2238 | MEX | 0.50 | 1 | -0.24 | 10 | -2.40 | | | Ramirez Osio, Julio Adrian | c | | 2189 | MEX | 1.00 | 1 | 0.21 | 10 | 2.10 | | | Gonzalez Zamora, Juan Carlos | g | | 2479 | MEX | 0.00 | 1 | -0.42 | 10 | -4.20 | | | Fernandez Hernandez, Arturo A. | f | | 2323 | MEX | 0.50 | 1 | -0.13 | 10 | -1.30 | | | * 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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