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Individual Calculations July 2019 |
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| Ostrovskiy, Aleksandr Total change: 15.60 | |   |
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| Summer 2019 CCCSA GM Norm Invitational | Charlotte, North Carolina | USA | 2019-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2447 | 2437 | 6.00 | 9 | 1.63 | 10 | 16.30 | |
|  Hong, Andrew | m | | 2414 | USA | 0.00 | 1 | -0.53 | 10 | -5.30 | |  Ringoir, Tanguy | g | | 2500 | BEL | 0.50 | 1 | 0.09 | 10 | 0.90 | | | Zierk, Steven | g | | 2501 | USA | 1.00 | 1 | 0.59 | 10 | 5.90 | | | Korley, Kassa | m | | 2430 | DEN | 1.00 | 1 | 0.49 | 10 | 4.90 | | | Yoo, Christopher Woojin | m | | 2430 | USA | 1.00 | 1 | 0.49 | 10 | 4.90 | | | Jacobson, Brandon | m | | 2486 | USA | 1.00 | 1 | 0.57 | 10 | 5.70 | | | Grigoryan, Karen H. | g | | 2547 | ARM | 0.00 | 1 | -0.35 | 10 | -3.50 | | | Wang, Tianqi | | | 2333 | USA | 0.50 | 1 | -0.14 | 10 | -1.40 | | | Shankar, Gauri | f | | 2378 | IND | 1.00 | 1 | 0.42 | 10 | 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) | | | | 2019 National Open | Las Vegas, Nevada | USA | 2019-06-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2321 | 2437 | 5.50 | 9 | -0.07 | 10 | -0.70 | |
| | Coraretti, Benjamin | | | 2108 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Kondakov, Adrian | c | | 2037 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Li, Ruifeng | g | | 2546 | USA | 0.50 | 1 | 0.15 | 10 | 1.50 | | | Sorokin, Aleksey | f | | 2536 | RUS | 0.00 | 1 | -0.36 | 10 | -3.60 | | | Gabuzyan, Hovhannes | g | | 2619 | ARM | 0.00 | 1 | -0.26 | 10 | -2.60 | | | Lee, Megan | | wm | 2115 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Pan, Kevin | | | 2076 | USA | 0.50 | 1 | -0.40 | 10 | -4.00 | | | Costello, Alexander | f | | 2297 | USA | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Vorontsov, Pavlo | g | | 2553 | UKR | 0.50 | 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) | | |
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