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Individual Calculations January 2023 |
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| Sun, Kevin Total change: 96.40 | |   |
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| 57th American Open - Under 2200 | Orange, CA | USA | 2022-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1676 | 1635 | 4.00 | 7 | 0.81 | 40 | 32.40 | |
|  Zeng, Elbert | | | 1855 | USA | 0.00 | 1 | -0.22 | 40 | -8.80 | |  Indukuri, Suhas Varma | | | 1463 | USA | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Wang, Leo Q | | | 1580 | USA | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Gasparyan, Seryozha | | | 1648 | USA | 1.00 | 1 | 0.52 | 40 | 20.80 | | | Guo, Yanfeng | | | 1704 | USA | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Wang, Yuqi | | | 1524 | USA | 0.00 | 1 | -0.65 | 40 | -26.00 | | | Akopian, Robert | | | 1957 | USA | 0.50 | 1 | 0.37 | 40 | 14.80 | |
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) | | | | Felix German Memorial Tuesday Night Marathon - 2000 and up Round 4-7 | San Francisco, California | USA | 2022-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2015 | 1635 | 1.00 | 3 | 0.61 | 40 | 24.40 | |
| | Chen, Richard | f | | 2276 | CAN | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Walder, Michael | | | 1914 | USA | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Busch, Jonah | | | 1855 | USA | 1.00 | 1 | 0.78 | 40 | 31.20 | |
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) | | | | 1000GM December BonaFIDE Bay Area Swiss: 2000 and up | San Jose, CA | USA | 2022-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2001 | 1681 | 1.00 | 2 | 0.72 | 40 | 28.80 | |
| | Guo, Andrew | | | 1925 | USA | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Fong, Kevin | | | 2077 | USA | 1.00 | 1 | 0.92 | 40 | 36.80 | |
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) | | | | 4th Annual Donaldson Championship - 2000 and up | San Francisco, California | USA | 2022-12-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1734 | 1681 | 2.00 | 4 | 0.27 | 40 | 10.80 | |
| | Karthi, Jashith | | | 1722 | USA | 0.50 | 1 | 0.06 | 40 | 2.40 | | | Xu, Jayden | | | 1612 | USA | 0.00 | 1 | -0.60 | 40 | -24.00 | | | Melville, Cailen Jeremiah | | | 1692 | USA | 1.00 | 1 | 0.52 | 40 | 20.80 | | | Biyiasas, Theodore | | | 1910 | USA | 0.50 | 1 | 0.29 | 40 | 11.60 | |
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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