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Individual Calculations September 2019 |
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| Zhu, Ricky Total change: -44.40 | |   |
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| 2019 Canadian Junior CC U1800 | Toronto | CAN | 2019-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1425 | 1407 | 2.00 | 6 | -0.87 | 40 | -34.80 | |
|  Darvekar, Yash | | | 1505 | CAN | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Zhuang, Jinrong (winnie) | | | 1408 | CAN | 1.00 | 1 | 0.50 | 40 | 20.00 | |  Zhang, Henry Xianrui | | | 1421 | CAN | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Sokol, Anna | | | 1588 | UKR | 0.50 | 1 | 0.24 | 40 | 9.60 | | | Zhou, Johnson Zixuan | | | 1285 | CAN | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Wang, Rachel Zihan | | | 1344 | CAN | 0.00 | 1 | -0.59 | 40 | -23.60 | |
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) | | | | 2019 NAYCC U12 Open | Kingston | CAN | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1569 | 1407 | 1.00 | 4 | -0.24 | 40 | -9.60 | |
| | Jack, Levine | | | 1807 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Austin, Xie | | | 1508 | CAN | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Edison, Huang | | | 1516 | USA | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Richard, Chen | | | 1445 | CAN | 0.50 | 1 | 0.05 | 40 | 2.00 | | | * 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) | | |
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