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Individual Calculations August 2021 |
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| Yoo, Christopher Woojin Total change: -12.50 | |   |
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| 49th Annual World Open - Open | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2287 | 2479 | 5.50 | 9 | -0.93 | 10 | -9.30 | |
|  Tahmassebi, Bijan | | | 2105 | USA | 0.00 | 1 | -0.90 | 10 | -9.00 | |  Xu, Arthur | c | | 2079 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Venkat, Raghav | | | 2138 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Chen, Forest | c | | 2235 | USA | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Ghazarian, Kirk Vagho | | | 2220 | USA | 0.50 | 1 | -0.32 | 10 | -3.20 | | | Liang, Jason | f | | 2352 | USA | 1.00 | 1 | 0.33 | 10 | 3.30 | | | Vidyarthi, Vyom | c | | 2225 | USA | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Hakobyan, Aram | g | | 2603 | ARM | 0.00 | 1 | -0.33 | 10 | -3.30 | | | Akopian, Vladimir | g | | 2625 | USA | 0.00 | 1 | -0.30 | 10 | -3.00 | | | * 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) | | | | 2021 US Junior Championship | St. Louis, Missouri | USA | 2021-07-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2494 | 2479 | 4.00 | 9 | -0.32 | 10 | -3.20 | |
| | Hong, Andrew | m | | 2474 | USA | 1.00 | 1 | 0.49 | 10 | 4.90 | | | Burke, John Michael | g | | 2538 | USA | 0.50 | 1 | 0.08 | 10 | 0.80 | | | Li, Ben | m | | 2376 | USA | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Wang, Justin | m | | 2467 | USA | 0.50 | 1 | -0.02 | 10 | -0.20 | | | Balakrishnan, Praveen | m | | 2507 | USA | 0.00 | 1 | -0.46 | 10 | -4.60 | | | Jacobson, Brandon | g | | 2504 | USA | 0.00 | 1 | -0.47 | 10 | -4.70 | | | Brodsky, David | m | | 2455 | USA | 0.00 | 1 | -0.53 | 10 | -5.30 | | | Niemann, Hans | g | | 2571 | USA | 1.00 | 1 | 0.63 | 10 | 6.30 | | | Checa, Nicolas De T | g | | 2552 | USA | 0.00 | 1 | -0.40 | 10 | -4.00 | |
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) | | |
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