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Individual Calculations August 2023 |
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| Ruchinskaya, Valerie Total change: 24.12 | |   |
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| 2023 Ontario Woman Closed Championship | Toronto | CAN | 2023-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1483 | 1656 | 2.00 | 5 | -1.59 | 36 | -57.24 | |
|  Laksshana, Deepak | | | 1428 | CAN | 1.00 | 1 | 0.21 | 36 | 7.56 | |  Xie, Irene | | | 1437 | CAN | 0.50 | 1 | -0.28 | 36 | -10.08 | | | Zhong, April Yunwei | | | 1528 | CAN | 0.00 | 1 | -0.67 | 36 | -24.12 | | | Chen, Shuang | | | 1374 | CAN | 0.50 | 1 | -0.34 | 36 | -12.24 | | | Jiang, Hanxi | | | 1648 | CAN | 0.00 | 1 | -0.51 | 36 | -18.36 | |
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 |
| 1779 | 1703 | 4.50 | 8 | 1.15 | 36 | 41.40 | |
| | Mendes, Aaron Reeve | c | | 2134 | CAN | 0.00 | 1 | -0.07 | 36 | -2.52 | | | Zhao, Jifan | | | 1663 | CAN | 1.00 | 1 | 0.44 | 36 | 15.84 | | | Zhu, Matthew | | | 1842 | CAN | 0.50 | 1 | 0.19 | 36 | 6.84 | | | Wu, Nolan | | | 1478 | CAN | 0.50 | 1 | -0.28 | 36 | -10.08 | | | Srinivasan, Hemant | | | 1988 | CAN | 0.00 | 1 | -0.16 | 36 | -5.76 | | | Zhu, Charis | | | 1550 | CAN | 0.50 | 1 | -0.20 | 36 | -7.20 | | | Qian, Eric | | | 1768 | CAN | 1.00 | 1 | 0.59 | 36 | 21.24 | | | Zheng, Victor | | | 1806 | CAN | 1.00 | 1 | 0.64 | 36 | 23.04 | |
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 - U16 Girls | Calgary, Alberta | CAN | 2023-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1425 | 1703 | 6.00 | 6 | 1.11 | 36 | 39.96 | |
| | Gokhale, Tanishka | | | 1422 | CAN | 1.00 | 1 | 0.16 | 36 | 5.76 | | | Surya, Dania | | | 1303 * | CAN | 1.00 | 1 | 0.08 | 36 | 2.88 | | | Jain, Ankita | | | 1631 | CAN | 1.00 | 1 | 0.40 | 36 | 14.40 | | | Zhong, April Yunwei | | | 1528 | CAN | 1.00 | 1 | 0.27 | 36 | 9.72 | | | Lin, Angela | | | 1333 | CAN | 1.00 | 1 | 0.10 | 36 | 3.60 | | | Mok, Gillian Xi-Lin | | | 1334 | CAN | 1.00 | 1 | 0.10 | 36 | 3.60 | | | * 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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