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Individual Calculations June 2023 |
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| Chen, Xilin Total change: 6.60 | |   |
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| 15th annual Open at Foxwoods - U2200 | Mashantucket, CT | USA | 2023-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1699 | 1794 | 4.00 | 6 | 0.31 | 40 | 12.40 | |
|  Vadderaju, Sudeep | | | 1525 | USA | 1.00 | 1 | 0.17 | 40 | 6.80 | |  Perry, Andrew Blair | | | 1482 | USA | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Rabin, Evan | | | 1971 | USA | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Beh, Ryan Mark | | | 1656 | USA | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Zhang, Cijun | | | 1789 | USA | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Chang, Nathan Hsichen | | | 1773 | USA | 0.00 | 1 | -0.53 | 40 | -21.20 | |
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) | | | NOTE: K factor changed | | 68th Maryland Open - Under 2100 | Rockville, MD | USA | 2023-04-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1489 | 1794 | 3.00 | 5 | -1.26 | 20 | -25.20 | |
| | Flemer, Jordan | | | 1587 | USA | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Deng, Michael | | | 1525 | USA | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Chong, Hanford | | | 1394 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Karaka, Gowtham | | | 1479 | IND | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Kinney, Zachary Z | | | 1458 | USA | 1.00 | 1 | 0.12 | 20 | 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) | | | NOTE: K factor changed | | 3rd annual Niagara Falls Open - Major | Niagara Falls, NY | USA | 2023-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1982 | 1794 | 2.00 | 4 | 0.97 | 20 | 19.40 | |
| | Carter, David E | | | 1927 | USA | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Quirke, Jeffrey L | | | 2007 | USA | 0.50 | 1 | 0.27 | 20 | 5.40 | | | Yanayt, Eugene | f | | 2004 | USA | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Mendes, Aaron Reeve | c | | 1991 | CAN | 0.50 | 1 | 0.25 | 20 | 5.00 | |
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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