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Individual Calculations July 2019 |
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| Kovalenko, Igor Total change: 3.10 | |   |
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| 2019 National Open | Las Vegas, Nevada | USA | 2019-06-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2506 | 2651 | 6.50 | 9 | 0.37 | 10 | 3.70 | |
|  Guo, Arthur | m | | 2286 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | |  Gretarsson, Helgi Ass | g | | 2433 | ISL | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Hevia Alejano, Carlos Antonio | g | | 2481 | CUB | 0.50 | 1 | -0.22 | 10 | -2.20 | | | Janssen, Ruud | g | | 2514 | NED | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Nestorovic, Nikola | g | | 2481 | SRB | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Ramirez, Alejandro | g | | 2574 | USA | 0.50 | 1 | -0.11 | 10 | -1.10 | | | Chirila, Ioan-Cristian | g | | 2561 | ROU | 1.00 | 1 | 0.38 | 10 | 3.80 | | | Bruzon Batista, Lazaro | g | | 2657 | CUB | 0.50 | 1 | 0.01 | 10 | 0.10 | | | Quesada Perez, Yasser | g | | 2568 | CUB | 0.50 | 1 | -0.11 | 10 | -1.10 | |
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 Summer Chess Classic - B | Saint Louis, Missouri | USA | 2019-06-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2645 | 2651 | 5.00 | 10 | -0.06 | 10 | -0.60 | |
| | Ganguly, Surya She | g | | 2642 | IND | 0.00 | 1 | -0.51 | 10 | -5.10 | | | Fridman, Daniel | g | | 2644 | GER | 0.50 | 1 | -0.01 | 10 | -0.10 | | | Gabuzyan, Hovhannes | g | | 2619 | ARM | 0.00 | 1 | -0.54 | 10 | -5.40 | | | Oparin, Grigoriy | g | | 2644 | RUS | 0.00 | 1 | -0.51 | 10 | -5.10 | | | Sevian, Samuel | g | | 2677 | USA | 0.50 | 1 | 0.04 | 10 | 0.40 | | | Ganguly, Surya She | g | | 2642 | IND | 1.00 | 1 | 0.49 | 10 | 4.90 | | | Fridman, Daniel | g | | 2644 | GER | 0.50 | 1 | -0.01 | 10 | -0.10 | | | Gabuzyan, Hovhannes | g | | 2619 | ARM | 1.00 | 1 | 0.46 | 10 | 4.60 | | | Sevian, Samuel | g | | 2677 | USA | 1.00 | 1 | 0.54 | 10 | 5.40 | | | Oparin, Grigoriy | g | | 2644 | RUS | 0.50 | 1 | -0.01 | 10 | -0.10 | |
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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