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Individual Calculations July 2019 |
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| Li, Ruifeng Total change: -5.10 | |   |
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| 2019 National Open | Las Vegas, Nevada | USA | 2019-06-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2408 | 2546 | 5.50 | 9 | -0.51 | 10 | -5.10 | |
|  Wu, Logan | | | 2177 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | |  Costello, Alexander | f | | 2297 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Ostrovskiy, Aleksandr | m | | 2437 | USA | 0.50 | 1 | -0.15 | 10 | -1.50 | | | Rao, Prasanna Raghuram | m | | 2448 | IND | 1.00 | 1 | 0.37 | 10 | 3.70 | | | Nyzhnyk, Illya | g | | 2649 | UKR | 0.50 | 1 | 0.14 | 10 | 1.40 | | | Bruzon Batista, Lazaro | g | | 2657 | CUB | 0.00 | 1 | -0.35 | 10 | -3.50 | | | Vigorito, David | m | | 2338 | USA | 0.50 | 1 | -0.27 | 10 | -2.70 | | | Ippolito, Dean | m | | 2331 | USA | 0.50 | 1 | -0.27 | 10 | -2.70 | | | He, Anthony | f | | 2339 | USA | 0.50 | 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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