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Individual Calculations August 2023 |
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| Qian, Eric Total change: -121.77 | |   |
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| 2023 Ontario Closed Championship | Toronto | CAN | 2023-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1666 | 1708 | 4.00 | 7 | -0.32 | 33 | -10.56 | |
|  Tenkov, Arkady | | | 1412 | CAN | 1.00 | 1 | 0.15 | 33 | 4.95 | |  Zhu, Charis | | | 1515 | CAN | 1.00 | 1 | 0.25 | 33 | 8.25 | | | Preotu, Razvan | g | | 2475 | CAN | 0.00 | 1 | 0.00 | 33 | 0.00 | | | Mahip, Singh | | | 1599 | IND | 0.00 | 1 | -0.65 | 33 | -21.45 | | | Malakar, Saarthak | | | 1568 | USA | 0.50 | 1 | -0.19 | 33 | -6.27 | | | Lakhani, Riyaan | | | 1693 | CAN | 1.00 | 1 | 0.48 | 33 | 15.84 | | | Xu, Ryan | | | 1403 | CAN | 0.50 | 1 | -0.36 | 33 | -11.88 | |
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 Canadian Junior Open | Etobicoke | CAN | 2023-07-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1683 | 1768 | 2.00 | 8 | -2.96 | 33 | -97.68 | |
| | Zhu, Charis | | | 1550 | CAN | 1.00 | 1 | 0.22 | 33 | 7.26 | | | Demchenko, Svitlana | | wm | 2170 | CAN | 0.00 | 1 | -0.08 | 33 | -2.64 | | | Gao, Heye | | | 1456 | CAN | 0.00 | 1 | -0.86 | 33 | -28.38 | | | Zhong, April Yunwei | | | 1528 | CAN | 1.00 | 1 | 0.20 | 33 | 6.60 | | | Zhong, Ryan Yunhui | | | 1674 | CAN | 0.00 | 1 | -0.63 | 33 | -20.79 | | | Gao, Lucy | | | 1682 | CAN | 0.00 | 1 | -0.62 | 33 | -20.46 | | | Ruchinskaya, Valerie | | | 1703 | CAN | 0.00 | 1 | -0.59 | 33 | -19.47 | | | Joseph, Jonath | | | 1699 | CAN | 0.00 | 1 | -0.60 | 33 | -19.80 | |
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) | | | | 2023 Canadian Youth Chess Championship - U14 Open | Calgary, Alberta | CAN | 2023-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1617 | 1768 | 3.50 | 6 | -0.41 | 33 | -13.53 | |
| | Huang, Winston | | | 1368 * | CAN | 1.00 | 1 | 0.08 | 33 | 2.64 | | | Tseng, Bradley | | | 1300 | CAN | 1.00 | 1 | 0.05 | 33 | 1.65 | | | Soberov, Emil | | | 2133 | CAN | 0.00 | 1 | -0.10 | 33 | -3.30 | | | Leung, Wah Singh (joseph) | | | 1391 | CAN | 0.50 | 1 | -0.41 | 33 | -13.53 | | | Azher, Hossain | | | 1541 | CAN | 1.00 | 1 | 0.21 | 33 | 6.93 | | | Zhang, Brian | | | 1966 | CAN | 0.00 | 1 | -0.24 | 33 | -7.92 | | | * 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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