Individual Calculations September 2023 |
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Gaw, Chloe Total change: 24.75 | | |
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June 2023 Marshall Premier | New York, NY | USA | 2023-06-02 |
Rc | Ro | w | n | change | K | K*chg | Game |
2072 | 1873 | 2.50 | 5 | 1.03 | 25 | 25.75 | |
| Williams, Justus | m | | 2396 | USA | 0.00 | 1 | -0.03 | 25 | -0.75 | | Olsen, Robert | | | 1892 | USA | 1.00 | 1 | 0.53 | 25 | 13.25 | | Harriott, Tyrell | | | 1846 | USA | 1.00 | 1 | 0.46 | 25 | 11.50 | | Meduri, Aakaash | | | 2017 | USA | 0.50 | 1 | 0.19 | 25 | 4.75 | | Hughes, John | | | 2210 | IRL | 0.00 | 1 | -0.12 | 25 | -3.00 | | 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) | | 31st annual Southern Open - Major | Orlando, FL | USA | 2023-07-28 |
Rc | Ro | w | n | change | K | K*chg | Game |
1916 | 1864 | 2.00 | 5 | -0.30 | 25 | -7.50 | |
| Gamboa, Nelson | m | | 2322 | COL | 0.00 | 1 | -0.05 | 25 | -1.25 | | Grose, Kameron | | | 1836 | ENG | 1.00 | 1 | 0.46 | 25 | 11.50 | | Hamley, Ryan Edward | | | 2098 | USA | 0.00 | 1 | -0.21 | 25 | -5.25 | | Kumar, Sanjay | | | 1756 | USA | 0.50 | 1 | -0.15 | 25 | -3.75 | | Trey, Justin | | | 1567 | USA | 0.50 | 1 | -0.35 | 25 | -8.75 | | 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 |
1961 | 1874 | 1.50 | 5 | -0.56 | 25 | -14.00 | |
| Lapshun, Yury | m | | 2344 | USA | 0.00 | 1 | -0.05 | 25 | -1.25 | | Olsen, Robert | | | 1892 | USA | 0.00 | 1 | -0.47 | 25 | -11.75 | | Wong, Wyatt | | | 1605 | USA | 1.00 | 1 | 0.17 | 25 | 4.25 | | Su, Jasmine | | | 2035 | USA | 0.50 | 1 | 0.21 | 25 | 5.25 | | Klein, Ethan J | | | 1930 | USA | 0.00 | 1 | -0.42 | 25 | -10.50 | | 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 Female | Chicago, IL | USA | 2023-08-12 |
Rc | Ro | w | n | change | K | K*chg | Game |
1622 | 1874 | 7.50 | 9 | 0.44 | 25 | 11.00 | |
| Pham, Linda | | | 1474 * | USA | 1.00 | 1 | 0.08 | 25 | 2.00 | | Cheng, Claire Ziyun | | | 1455 | USA | 1.00 | 1 | 0.07 | 25 | 1.75 | | Herrada, Blanco Maria Fernanda | | | 1545 | PER | 0.50 | 1 | -0.38 | 25 | -9.50 | | Danduprolu, Ridhi Varma | | | 1507 | USA | 1.00 | 1 | 0.10 | 25 | 2.50 | | Jiang, Hanxi | | | 1559 | CAN | 1.00 | 1 | 0.14 | 25 | 3.50 | | Wang, Chloe | | | 1713 | USA | 0.50 | 1 | -0.21 | 25 | -5.25 | | Silva, Juliana Figueira Theophil | | | 1671 | BRA | 1.00 | 1 | 0.24 | 25 | 6.00 | | Yu, Avery | | | 1800 | USA | 1.00 | 1 | 0.40 | 25 | 10.00 | | Mayorga Araya, Sofia | | wc | 1871 | CRC | 0.50 | 1 | 0.00 | 25 | 0.00 | | * 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 |
1952 | 1874 | 2.00 | 4 | 0.38 | 25 | 9.50 | |
| Zlotnikov, Mikhail | m | | 2147 | USA | 0.50 | 1 | 0.33 | 25 | 8.25 | | Samuelson, Andrew | f | | 2006 | USA | 0.00 | 1 | -0.32 | 25 | -8.00 | | Singh, Siddharth | | | 1790 | USA | 0.50 | 1 | -0.12 | 25 | -3.00 | | Chang, Max | | | 1865 | USA | 1.00 | 1 | 0.49 | 25 | 12.25 | | 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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