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Individual Calculations September 2023 |
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| Baim, Elvin Total change: 162.26 | |   |
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| 2023 Independence Day Open - Premier | Dulles, VA | USA | 2023-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1984 | 1718 | 2.50 | 4 | 1.77 | 38 | 67.26 | |
|  Samuelson, Andrew | f | | 1993 | USA | 1.00 | 1 | 0.83 | 38 | 31.54 | |  Lowinger, Daniel | | | 2057 | USA | 0.00 | 1 | -0.12 | 38 | -4.56 | | | Clancy, Daniel | | | 1990 | USA | 0.50 | 1 | 0.33 | 38 | 12.54 | | | Hyland, Mark Daniel | | | 1895 | USA | 1.00 | 1 | 0.73 | 38 | 27.74 | |
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) | | | | 10th Annual Potomac Open - U2200 | Rockville, MD | USA | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1768 | 1638 | 2.00 | 4 | 0.55 | 38 | 20.90 | |
| | Karell, Leif | | | 1652 | USA | 1.00 | 1 | 0.52 | 38 | 19.76 | | | Steel, Simon Arthur | | | 1989 | USA | 0.00 | 1 | -0.11 | 38 | -4.18 | | | Liu, Joshua | | | 1452 | USA | 0.50 | 1 | -0.24 | 38 | -9.12 | | | Ilnytsky, Alexander | | | 1978 | USA | 0.50 | 1 | 0.38 | 38 | 14.44 | |
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) | | | | 2nd Annual Beltway Open | Herndon, Virginia | USA | 2023-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1784 | 1638 | 2.50 | 5 | 0.81 | 38 | 30.78 | |
| | Slate, Kent | | | 2045 | USA | 0.00 | 1 | -0.08 | 38 | -3.04 | | | Su, Kevin | | | 1915 | USA | 0.00 | 1 | -0.17 | 38 | -6.46 | | | Karell, Leif | | | 1634 | USA | 0.50 | 1 | -0.01 | 38 | -0.38 | | | Ayyappan, Adhiraiyan Murugan | | | 1605 | USA | 1.00 | 1 | 0.45 | 38 | 17.10 | | | Collier, Philip M | | | 1723 | USA | 1.00 | 1 | 0.62 | 38 | 23.56 | |
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) | | | | 55th annual Atlantic Open - Major | Reston, VA | USA | 2023-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1914 | 1638 | 2.00 | 5 | 1.14 | 38 | 43.32 | |
| | Xiong, Lang Leo | | | 1916 | USA | 0.50 | 1 | 0.33 | 38 | 12.54 | | | Rand, Steven J | | | 1991 | USA | 0.50 | 1 | 0.39 | 38 | 14.82 | | | Rawshani, Kamran | | | 1917 | USA | 0.50 | 1 | 0.34 | 38 | 12.92 | | | Zhuang, Kyle | | | 1809 | USA | 0.00 | 1 | -0.27 | 38 | -10.26 | | | Li, Michael | | | 1937 | USA | 0.50 | 1 | 0.35 | 38 | 13.30 | |
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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