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Individual Calculations September 2023 |
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| Li, Michael Total change: 52.80 | |   |
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| 28th annual Bradley Open - Major | Windsor Locks, CT | USA | 2023-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1930 | 1804 | 2.00 | 4 | 0.17 | 33 | 5.61 | |
|  Corrales Jimenez, Fidel | g | | 2542 | USA | 0.00 | 1 | 0.00 | 33 | 0.00 | |  He, Daniel | | | 1761 | USA | 1.00 | 1 | 0.44 | 33 | 14.52 | | | Mansurov, Yusuf | | | 1735 | USA | 0.00 | 1 | -0.60 | 33 | -19.80 | | | Mutnuri, Krishna Saketh | | | 1681 | USA | 1.00 | 1 | 0.33 | 33 | 10.89 | |
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) | | | | August 2023 Marshall Premier | New York, NY | USA | 2023-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1973 | 1937 | 3.50 | 5 | 1.25 | 33 | 41.25 | |
| | Chen, Derek Li | | | 1891 | USA | 0.50 | 1 | -0.06 | 33 | -1.98 | | | Meduri, Aakaash | | | 1990 | USA | 0.50 | 1 | 0.07 | 33 | 2.31 | | | Su, Jasmine | | | 2035 | USA | 1.00 | 1 | 0.63 | 33 | 20.79 | | | Johnston, Daniel F | | | 2036 | USA | 0.50 | 1 | 0.14 | 33 | 4.62 | | | Gutnik, Aleksandr | | | 1914 | USA | 1.00 | 1 | 0.47 | 33 | 15.51 | |
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) | | | | XXXIII Pan-American Youth Chess Festival - Under 14 Open | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1882 | 1937 | 4.50 | 8 | 0.03 | 33 | 0.99 | |
| | Lopez Escobar, Jose David | | | 1537 * | GUA | 1.00 | 1 | 0.08 | 33 | 2.64 | | | Montevilla Cahuasa, Jonathan I. | | | 1729 | BOL | 1.00 | 1 | 0.23 | 33 | 7.59 | | | Tao, Sihan | | | 2182 | USA | 0.50 | 1 | 0.30 | 33 | 9.90 | | | Ho, Cooper | | | 2039 | USA | 0.00 | 1 | -0.36 | 33 | -11.88 | | | Cuya Zevallos, Andrew Francisco | | | 1702 | PER | 1.00 | 1 | 0.21 | 33 | 6.93 | | | Willy, Stephen | c | | 2072 | USA | 0.50 | 1 | 0.18 | 33 | 5.94 | | | Suarez, Sebastian | | | 1894 | USA | 0.00 | 1 | -0.56 | 33 | -18.48 | | | Widjaja, Luke | | | 1900 | USA | 0.50 | 1 | -0.05 | 33 | -1.65 | | | * 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) | | | | 55th annual Atlantic Open - Major | Reston, VA | USA | 2023-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1957 | 1937 | 2.00 | 4 | 0.15 | 33 | 4.95 | |
| | Samuelson, Andrew | f | | 2006 | USA | 0.50 | 1 | 0.10 | 33 | 3.30 | | | Zlotnikov, Mikhail | m | | 2147 | USA | 0.50 | 1 | 0.27 | 33 | 8.91 | | | Su, Jasmine Zhixin | | | 2035 | USA | 0.50 | 1 | 0.13 | 33 | 4.29 | | | Baim, Elvin | | | 1638 | AZE | 0.50 | 1 | -0.35 | 33 | -11.55 | |
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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