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Blitz:
Individual Calculations September 2021 |
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| Xiong, Lang Leo Total change: 54.00 | |   |
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| 2021 North American Youth Chess Championships - Blitz Open Under 14 | Chicago, Illinois | USA | 2021-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1590 | 1462 | 5.50 | 8 | 2.70 | 20 | 54.00 | |
|  Nandhakumar, Vaseegaran | | | 1786 | USA | 1.00 | 1 | 0.87 | 20 | 17.40 | |  Nandhakumar, Vaseegaran | | | 1786 | USA | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Su, Kevin | | | 1730 | USA | 1.00 | 1 | 0.83 | 20 | 16.60 | | | Su, Kevin | | | 1730 | USA | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Gupta, Sara | | | 1341 | USA | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Gupta, Sara | | | 1341 | USA | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Chen, Rachel Ruoxu | | | 1502 | CAN | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Chen, Rachel Ruoxu | | | 1502 | CAN | 1.00 | 1 | 0.56 | 20 | 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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