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Blitz:
Individual Calculations September 2021 |
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| Su, Kevin Total change: -63.20 | |   |
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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 |
| 1394 | 1730 | 2.00 | 6 | -3.16 | 20 | -63.20 | |
|  Yang, Adelynne | | | 1218 | USA | 0.00 | 1 | -0.96 | 20 | -19.20 | |  Yang, Adelynne | | | 1218 | USA | 1.00 | 1 | 0.04 | 20 | 0.80 | | | Xiong, Lang Leo | | | 1462 | USA | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Xiong, Lang Leo | | | 1462 | USA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Chen, Rachel Ruoxu | | | 1502 | CAN | 0.00 | 1 | -0.79 | 20 | -15.80 | | | Chen, Rachel Ruoxu | | | 1502 | CAN | 0.00 | 1 | -0.79 | 20 | -15.80 | |
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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