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Individual Calculations September 2019 |
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| Gao, Lucy Total change: 27.20 | |   |
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| 2019 Canadian Junior CC U1800 | Toronto | CAN | 2019-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1360 | 1288 | 2.00 | 4 | 0.38 | 40 | 15.20 | |
|  Wang, Andrew Pincong | | | 1124 | CAN | 0.50 | 1 | -0.22 | 40 | -8.80 | |  Zhang, Henry Xianrui | | | 1421 | CAN | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Wang, Eric | | | 1456 | CAN | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Yang, Brett | | | 1439 | CAN | 1.00 | 1 | 0.70 | 40 | 28.00 | |
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) | | | | 2019 NAYCC U10 Girls | Kingston | CAN | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1418 | 1288 | 2.00 | 5 | 0.30 | 40 | 12.00 | |
| | Abbie, Wu | | | 1623 | USA | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Nandini, Prakash | | | 1416 | USA | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Greta, Qu | | wc | 1427 | CAN | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Aliana, Fausto | | | 1214 | USA | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Jinrong, Winnie Zhuang | | | 1408 | CAN | 1.00 | 1 | 0.66 | 40 | 26.40 | |
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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