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Individual Calculations September 2023 |
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| Zhong, Ryan Yunhui Total change: 59.60 | |   |
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| 2023 Canadian Open Chess Championship - Open | Calgary, Alberta | CAN | 2023-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1664 | 1674 | 4.00 | 8 | -0.20 | 40 | -8.00 | |
|  Todd, Adie | | | 1494 | CAN | 0.50 | 1 | -0.24 | 40 | -9.60 | |  Mok, Erwin Jun-Han | | | 1274 * | CAN | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Piasetski, Leon | m | | 2230 | CAN | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Ramalho, David | | | 1679 | CAN | 1.00 | 1 | 0.51 | 40 | 20.40 | | | Gao, Raymond | | | 1964 | CAN | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Yang, Henry | | | 1710 | CAN | 0.00 | 1 | -0.45 | 40 | -18.00 | | | Xu, Leon | | | 1285 | CAN | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Zacharias, Nicholas | | | 1675 | CAN | 0.50 | 1 | 0.00 | 40 | 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) | | | | XXXIII Pan-American Youth Chess Festival - Under 12 Open | Chicago, IL | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1836 | 1751 | 5.00 | 8 | 1.69 | 40 | 67.60 | |
| | Patil, Tanishq | | | 1351 * | CAN | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Lu, Yiding | | | 1973 | USA | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Das, Aditeya | | | 1922 | USA | 1.00 | 1 | 0.73 | 40 | 29.20 | | | Luger, Sam | | | 1998 | USA | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Polanco Fernandez, Sahiean | | | 1876 | DOM | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Liu, Aiden Q | | | 2339 | USA | 0.00 | 1 | -0.02 | 40 | -0.80 | | | Marchand, Calix | | | 1665 | CAN | 0.00 | 1 | -0.62 | 40 | -24.80 | | | Ilyasov, Ahmed | | | 1567 | USA | 1.00 | 1 | 0.26 | 40 | 10.40 | | | * 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) | | |
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