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Individual Calculations September 2021 |
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| Shivakumar, Shawnak Total change: 2.00 | |   |
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| 26th Annual Pacific Coast Open - Premier | Van Nuys, California | USA | 2021-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1941 | 1865 | 1.00 | 5 | -0.99 | 40 | -39.60 | |
|  Creger V, Leo | | | 1986 | USA | 0.00 | 1 | -0.34 | 40 | -13.60 | |  Leano, Bryan B | | | 1928 | USA | 0.50 | 1 | 0.09 | 40 | 3.60 | | | Akopian, Robert | | | 2001 | USA | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Yedidia, Daniel | | | 1997 | USA | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Ai, Evan Zihao | | | 1793 | USA | 0.00 | 1 | -0.60 | 40 | -24.00 | |
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) | | | | 2021 North American Youth Chess Championships - Open Under 14 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1819 | 1828 | 4.50 | 7 | 1.04 | 40 | 41.60 | |
| | Oberai, Vikram | | | 1638 | USA | 0.00 | 1 | -0.75 | 40 | -30.00 | | | Ray, Ujan | | | 1428 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Jiang, Andrew | | | 1899 | USA | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Wen, Tommy | | | 1971 | USA | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Zhang, Roger | | | 1898 | USA | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Cavanah, Troy | | | 2006 | USA | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Wilson, Ronen | | | 1893 | USA | 1.00 | 1 | 0.59 | 40 | 23.60 | | | * 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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