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Individual Calculations February 2019 |
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| Li, Jiaying Total change: 3.60 | |   |
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| 35th National Age Group Chess Championships 2018 - Boys Under-12 | Singapore | SGP | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1233 | 1009 | 1.50 | 6 | 0.09 | 40 | 3.60 | |
|  Ng, Sze-Yong | | | 1388 | AUS | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Low, Wen Qian | | | 1209 | SGP | 0.50 | 1 | 0.26 | 40 | 10.40 | |  Chan, Isaac | | | 1290 | SGP | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Kalagara, Aniketh | | | 1146 | IND | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Kong, Yeong Keng Brendan | | | 1331 | SGP | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Lock, Yan Jie | | | 1034 | SGP | 0.00 | 1 | -0.47 | 40 | -18.80 | |
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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