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Individual Calculations September 2023 |
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| Tay, Brian Total change: -104.40 | |   |
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| 2nd Annual Beltway Open | Herndon, Virginia | USA | 2023-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1667 | 1915 | 2.50 | 4 | -0.68 | 40 | -27.20 | |
|  Meyer-Chabris, Caleb | | | 1655 | USA | 1.00 | 1 | 0.18 | 40 | 7.20 | |  Wright, James Doug | | | 1800 | USA | 0.50 | 1 | -0.16 | 40 | -6.40 | | | Kollur, Anshul | | | 1515 * | USA | 0.00 | 1 | -0.92 | 40 | -36.80 | | | Chen, Alan Zishun | | | 1697 | USA | 1.00 | 1 | 0.22 | 40 | 8.80 | | | * 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) | | | | XXXIII Pan-American Youth Chess Festival - Under 16 Open | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1790 | 1915 | 3.50 | 8 | -1.55 | 40 | -62.00 | |
| | Shaw, Jaden | c | | 2096 | JAM | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Jiang, Leo | | | 1520 | USA | 0.00 | 1 | -0.92 | 40 | -36.80 | | | Murali, Rishi | | | 1565 | USA | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Lopez Escobar, Daniel Alejandro | | | 1592 | GUA | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Montes Orozco, Miguel Angel | c | | 2137 | MEX | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Zhang, Justin Weicheng | | | 1623 | USA | 0.50 | 1 | -0.35 | 40 | -14.00 | | | Yuan, David | | | 1703 | USA | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Jiang, Brandon | c | | 2087 | USA | 0.00 | 1 | -0.27 | 40 | -10.80 | |
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 |
| 1858 | 1915 | 2.50 | 5 | -0.38 | 40 | -15.20 | |
| | Carrasco, Christian Nelio | | | 1741 | USA | 1.00 | 1 | 0.27 | 40 | 10.80 | | | England, Max | | | 1865 | CAN | 0.50 | 1 | -0.07 | 40 | -2.80 | | | Lowinger, Daniel | | | 2040 | USA | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Wang, William | | | 1767 | USA | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Liu, Ethan | | | 1877 | USA | 0.00 | 1 | -0.55 | 40 | -22.00 | |
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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