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Individual Calculations August 2022 |
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| Zheng, Lerui Total change: -43.20 | |   |
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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 |
| 1705 | 1621 | 0.00 | 2 | -0.80 | 40 | -32.00 | |
|  Wang, Lilian | | | 1556 | USA | 0.00 | 1 | -0.59 | 40 | -23.60 | |  Berger, Robert A | | | 1854 | USA | 0.00 | 1 | -0.21 | 40 | -8.40 | |
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) | | | | 23rd annual Pittsburgh Open Under 2100 | Pittsburgh, PA | USA | 2022-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1707 | 1621 | 0.50 | 2 | -0.28 | 40 | -11.20 | |
| | Larsen, James E | | | 1613 | USA | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Patel, Kian | | | 1800 | USA | 0.00 | 1 | -0.27 | 40 | -10.80 | |
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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