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Individual Calculations August 2022 |
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| Yang, Lefan Total change: 112.00 | |   |
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| 50th Annual World Open - Under 2000 | Philadelphia, Pennsylvania | USA | 2022-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1677 | 1262 | 2.00 | 4 | 1.59 | 40 | 63.60 | |
|  Mwashe, Philip Masika | | | 1718 | KEN | 1.00 | 1 | 0.94 | 40 | 37.60 | |  Baisynov, Islambek | | | 1918 | KGZ | 0.00 | 1 | -0.01 | 40 | -0.40 | | | Wang, Rocky | | | 1561 | USA | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Wang, Oscar | | | 1510 | USA | 0.00 | 1 | -0.19 | 40 | -7.60 | |
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) | | | | 2022 CYCC U14 Open | Hamilton | CAN | 2022-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1726 | 1262 | 1.50 | 3 | 1.21 | 40 | 48.40 | |
| | Wang, Derek | | | 1472 | CAN | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Han, Johnathan | | | 2008 | CAN | 1.00 | 1 | 1.00 | 40 | 40.00 | | | Yuen, Noah Nathaniel | | | 1698 | CAN | 0.00 | 1 | -0.06 | 40 | -2.40 | |
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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