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Individual Calculations July 2021 |
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| Guo, Arthur Total change: 111.20 | |   |
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| Memorial Day 2021 CCCSA GM Norm Invitational | Charlotte, North Carolina | USA | 2021-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2445 | 2359 | 5.50 | 9 | 2.03 | 20 | 40.60 | |
|  Shankar, Gauri | f | | 2385 | IND | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Ringoir, Tanguy | g | | 2474 | BEL | 0.00 | 1 | -0.34 | 20 | -6.80 | |  Fernandez, Daniel | m | | 2458 | USA | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Paragua, Mark | g | | 2529 | PHI | 1.00 | 1 | 0.72 | 20 | 14.40 | | | Sinha, Sahil | m | | 2375 | USA | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Prohaszka, Peter | g | | 2567 | HUN | 0.50 | 1 | 0.27 | 20 | 5.40 | | | Wang, Tianqi | | | 2317 | USA | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Yoo, Christopher | m | | 2455 | USA | 1.00 | 1 | 0.63 | 20 | 12.60 | | | Korley, Kassa | m | | 2441 | DEN | 0.00 | 1 | -0.39 | 20 | -7.80 | |
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) | | | | 2021 National Open - Championship | Las Vegas, Nevada | USA | 2021-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2436 | 2359 | 7.00 | 9 | 3.53 | 20 | 70.60 | |
| | Wang, Alex Yuxuan | | | 1983 | USA | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Seshadri, Sridhar | | | 1959 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Belous, Vladimir | g | | 2520 | RUS | 1.00 | 1 | 0.71 | 20 | 14.20 | | | Akopian, Vladimir | g | | 2638 | USA | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Javakhadze, Zurabi | m | | 2462 | GEO | 1.00 | 1 | 0.64 | 20 | 12.80 | | | Gareyev, Timur | g | | 2606 | USA | 1.00 | 1 | 0.81 | 20 | 16.20 | | | Niemann, Hans | g | | 2567 | USA | 1.00 | 1 | 0.77 | 20 | 15.40 | | | Hakobyan, Aram | g | | 2598 | ARM | 0.50 | 1 | 0.30 | 20 | 6.00 | | | Cordova Daza, Emilio | g | | 2590 | PER | 0.50 | 1 | 0.29 | 20 | 5.80 | | | * 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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