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Individual Calculations September 2023 |
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| Wiebe, Isaac Total change: -51.00 | |   |
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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 |
| 1713 | 2020 | 2.50 | 5 | -1.73 | 20 | -34.60 | |
|  Jain, Vihaan | | | 1802 | USA | 0.00 | 1 | -0.78 | 20 | -15.60 | |  Gartenlaub, Corin | | | 1614 | USA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Wang, Bohan | | | 1682 | USA | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Ji, Y Luke | | | 1620 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ye, Stephen | | | 1847 | USA | 1.00 | 1 | 0.27 | 20 | 5.40 | | | * 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) | | | | 2023 Excelsior August Open | Etobicoke, ON | CAN | 2023-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1887 | 2020 | 2.50 | 5 | -0.82 | 20 | -16.40 | |
| | Zhao, Jifan | | | 1795 | CAN | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Vettese, Nicholas | m | | 2220 | CAN | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Singh Dhaliwal, Jaipreet | | | 1760 | CAN | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Ning, Eric | | | 1892 | CAN | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Kim, Noah | | | 1770 | CAN | 0.50 | 1 | -0.31 | 20 | -6.20 | |
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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