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Individual Calculations August 2021 |
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| Yang, Qindong Total change: 6.00 | |   |
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| 49th Annual World Open - Open | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2221 | 2110 | 4.00 | 9 | 0.68 | 20 | 13.60 | |
|  Belous, Vladimir | g | | 2487 | RUS | 0.00 | 1 | -0.09 | 20 | -1.80 | |  Vittal, Sanjana | | wf | 1938 | USA | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Chen, Ryo Wenyu | | | 2320 | USA | 1.00 | 1 | 0.77 | 20 | 15.40 | | | Daggupati, Balaji | f | | 2377 | USA | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Park, Evan | | | 2274 | USA | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Heller, Garrett | | | 2004 | USA | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Ahlborg, John | | | 2224 | USA | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Shlyakhtenko, Robert | f | | 2370 | USA | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Mangalam, Shreya | | | 1997 | USA | 0.50 | 1 | -0.15 | 20 | -3.00 | |
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) | | | | 22nd Annual Pittsburgh Open - Major | Pittsburgh, Pennsylvania | USA | 2021-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1963 | 2110 | 3.00 | 5 | -0.38 | 20 | -7.60 | |
| | Allen, Zachary J | | | 2074 | USA | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Adury, Anant | | | 1710 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Modlin, Trey | | | 1990 | USA | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Feliachi, Nabil | | | 2040 | USA | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Mucerino, Joseph J | | | 2002 | USA | 1.00 | 1 | 0.35 | 20 | 7.00 | | | * 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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