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Individual Calculations August 2018 |
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| Cao, Yingying (lucy) Total change: 70.40 | |   |
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| 2018 Canadian Youth Chess Championship U18 Girls | Quebec City | CAN | 2018-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1863 | 1583 | 1.50 | 5 | 0.59 | 40 | 23.60 | |
|  Ouellet, Maili-Jade | | wm | 1983 * | CAN | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Botez, Andrea | | | 1773 | CAN | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Cui, Cynthia | | | 1692 | CAN | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Li, Yilin | | | 1885 | CAN | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Demchenko, Svitlana | | wf | 1983 * | CAN | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | 2018 Canadian Open U2000 | Quebec City | CAN | 2018-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1753 | 1583 | 3.50 | 7 | 1.42 | 40 | 56.80 | |
| | Page, Dany | | | 1543 | CAN | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Botez, Andrea | | | 1773 | CAN | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Itkin, Victor | | | 1687 | CAN | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Craciun, David | | | 1666 | CAN | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Bince, Rolando | | | 1950 | CAN | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Wijetunge, Ivan | | | 1906 | USA | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Potvin, Alain-Nicolas | | | 1743 | CAN | 0.00 | 1 | -0.29 | 40 | -11.60 | |
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) | | | | 15th Annual Susan Polgar Foundation Girls Invitational | St. Louis, Missouri | USA | 2018-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1912 | 1583 | 0.00 | 2 | -0.25 | 40 | -10.00 | |
| | Vittal, Sanjana | | wf | 1947 | USA | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Ehsani, Yassamin | | wc | 1876 | USA | 0.00 | 1 | -0.15 | 40 | -6.00 | |
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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