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Individual Calculations September 2023 |
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| Sethuraman, Roshan Total change: -16.40 | |   |
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| 43rd Annual Lina Grumette Memorial | VAN NUYS, CA | USA | 2023-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1687 | 1796 | 1.50 | 2 | 0.20 | 40 | 8.00 | |
|  Jasinski, Alexander | | | 1696 | USA | 0.50 | 1 | -0.14 | 40 | -5.60 | |  Golchin, Kevin | | | 1677 | USA | 1.00 | 1 | 0.34 | 40 | 13.60 | |
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) | | | | 2023 July FIDE Classic - Premier | Mesa, AZ | USA | 2023-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1848 | 1892 | 3.50 | 5 | 0.70 | 40 | 28.00 | |
| | Zhu, Alexander | | | 1834 | USA | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Jagirapu, Harshin Reddy | | | 1760 | USA | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Yin, Evan | | | 1909 | USA | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Schwartz, Raphael D | | | 1839 | USA | 1.00 | 1 | 0.43 | 40 | 17.20 | | | Liang, Ethan Y | | | 1898 | USA | 0.50 | 1 | 0.01 | 40 | 0.40 | |
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 12 Open | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1528 | 1902 | 6.50 | 9 | -1.31 | 40 | -52.40 | |
| | Shergil, Ronak | | | 1502 * | JAM | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Zhang, Ryan | | | 1441 | USA | 0.00 | 1 | -0.95 | 40 | -38.00 | | | Lopez Valladarez, Yankel Abraham | | | 1251 | HON | 1.00 | 1 | 0.01 | 40 | 0.40 | | | Giraldo Cortes, Cristobal | | | 1424 | DOM | 1.00 | 1 | 0.05 | 40 | 2.00 | | | Martinez Flores, Matias | | | 1740 | MEX | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Spieker, Otavio Schmidt | | | 1384 | BRA | 1.00 | 1 | 0.03 | 40 | 1.20 | | | Simo Paulino, Leonardo Michael | | | 1534 | DOM | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Jammalamadaka, Vihaan | | | 1812 | USA | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Marchand, Calix | | | 1665 | CAN | 0.50 | 1 | -0.30 | 40 | -12.00 | | | * 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) | | |
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