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Individual Calculations September 2019 |
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| Ruchinskaya, Valerie Total change: -17.60 | |   |
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| 2019 Canadian Junior CC U1800 | Toronto | CAN | 2019-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1365 | 1412 | 2.00 | 4 | -0.14 | 40 | -5.60 | |
|  Zuo, Zichen (roger) | | | 1034 | CAN | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Uthayakumar, Ronan | | | 1496 | CAN | 0.00 | 1 | -0.38 | 40 | -15.20 | |  Darvekar, Yash | | | 1505 | CAN | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Jeyakumar, Bhavatharshan | | | 1424 | CAN | 0.00 | 1 | -0.48 | 40 | -19.20 | |
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 Girls | Kingston | CAN | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1446 | 1412 | 2.00 | 5 | -0.30 | 40 | -12.00 | |
| | Michelle, Hua | | | 1666 | CAN | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Rachel, Zihan Wang | | | 1344 | CAN | 0.50 | 1 | -0.09 | 40 | -3.60 | | | Anika, Rajaram | | wc | 1560 | USA | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Simone, Morden | | | 1415 | USA | 0.00 | 1 | -0.50 | 40 | -20.00 | | | Sofia, Gomez Camara | | | 1243 | MEX | 1.00 | 1 | 0.28 | 40 | 11.20 | |
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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