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Individual Calculations August 2021 |
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| Balakrishnan, Praveen Total change: 1.10 | |   |
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| 14th Annual Philadelphia International - Premier | Philadelphia, Pennsylvania | USA | 2021-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2349 | 2500 | 6.00 | 9 | 0.09 | 10 | 0.90 | |
|  Wu, Rochelle | | wm | 2144 | USA | 0.50 | 1 | -0.39 | 10 | -3.90 | |  Rama, Tejas | | | 2131 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Jacobson, Aaron | f | | 2301 | USA | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Andriasian, Zaven | g | | 2581 | ARM | 0.50 | 1 | 0.11 | 10 | 1.10 | | | Hakobyan, Eduard | | | 2127 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Akopian, Vladimir | g | | 2638 | USA | 0.00 | 1 | -0.31 | 10 | -3.10 | | | Ali Marandi, Cemil Can | g | | 2543 | TUR | 0.50 | 1 | 0.06 | 10 | 0.60 | | | Maiti, Milind | | | 2100 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Checa, Nicolas De T | g | | 2574 | USA | 0.50 | 1 | 0.10 | 10 | 1.00 | | | * 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) | | | | 49th Annual World Open - Open | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2284 | 2507 | 6.00 | 9 | -0.77 | 10 | -7.70 | |
| | Li, Hanxiang | | | 2118 | CHN | 0.00 | 1 | -0.91 | 10 | -9.10 | | | Cooke, Eric | | | 2107 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Chabris, Christopher F | c | | 2125 | USA | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Narayanan, Samrug | c | | 2180 | USA | 0.50 | 1 | -0.37 | 10 | -3.70 | | | Yu, Jennifer R | f | wg | 2289 | USA | 0.50 | 1 | -0.28 | 10 | -2.80 | | | Graif, William | | | 2250 | CAN | 1.00 | 1 | 0.18 | 10 | 1.80 | | | Tiglon, Bryce | m | | 2374 | USA | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Song, Edward | m | | 2402 | USA | 1.00 | 1 | 0.36 | 10 | 3.60 | | | Xiong, Jeffery | g | | 2709 | USA | 0.00 | 1 | -0.24 | 10 | -2.40 | | | * 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 |
| 2491 | 2507 | 5.50 | 9 | 0.79 | 10 | 7.90 | |
| | Li, Ben | m | | 2376 | USA | 1.00 | 1 | 0.32 | 10 | 3.20 | | | Niemann, Hans | g | | 2571 | USA | 0.00 | 1 | -0.41 | 10 | -4.10 | | | Wang, Justin | m | | 2467 | USA | 1.00 | 1 | 0.44 | 10 | 4.40 | | | Checa, Nicolas De T | g | | 2552 | USA | 0.50 | 1 | 0.06 | 10 | 0.60 | | | Yoo, Christopher Woojin | m | | 2479 | USA | 1.00 | 1 | 0.46 | 10 | 4.60 | | | Hong, Andrew | m | | 2474 | USA | 0.50 | 1 | -0.05 | 10 | -0.50 | | | Jacobson, Brandon | g | | 2504 | USA | 0.00 | 1 | -0.50 | 10 | -5.00 | | | Burke, John Michael | g | | 2538 | USA | 1.00 | 1 | 0.54 | 10 | 5.40 | | | Brodsky, David | m | | 2455 | USA | 0.50 | 1 | -0.07 | 10 | -0.70 | |
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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