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Individual Calculations October 2008 |
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| Tang, Qing-Wei Joey Total change: -2.25 | |   |
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| National Youth Q3 Rating Tournament 2008 | Singapore | SIN | 2008-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1733 | 1647 | 0.00 | 1 | -0.38 | 25 | -9.50 | |
|  Sia, Xin-Jie Selina | | | 1733 | SIN | 0.00 | 1 | -0.38 | 25 | -9.50 | |
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) | | | | 4th World Schools Chess Championships 2008 -Girls U15 | Singapore | SIN | 2008-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1767 | 1606 | 2.00 | 6 | 0.29 | 25 | 7.25 | |
|  Er, Si-Hui Vivian | | | 1789 | SIN | 1.00 | 1 | 0.74 | 25 | 18.50 | | | Anu, Bayar | | | 1796 | MGL | 0.00 | 1 | -0.25 | 25 | -6.25 | | | Lo, Yin-Ling Melissa | | | 1753 | SIN | 0.50 | 1 | 0.20 | 25 | 5.00 | | | Supriya, Joshi | | | 1765 | IND | 0.00 | 1 | -0.29 | 25 | -7.25 | | | Neo, Xiuwen Christabel | | | 1720 | SIN | 0.50 | 1 | 0.16 | 25 | 4.00 | | | Sia, Xin-Jie Selina | | | 1778 | SIN | 0.00 | 1 | -0.27 | 25 | -6.75 | |
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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