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Individual Calculations April 2009 |
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| Sia, Xin-Jie Selina Total change: 8.55 | |   |
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| 61st National Chess Championships 2009 - Challengers | Singapore | SIN | 2009-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1805 | 1756 | 4.00 | 9 | 0.05 | 15 | 0.75 | |
|  Wee, Chu En Kelvin | | | 1998 | SIN | 0.00 | 1 | -0.20 | 15 | -3.00 | |  Chan, Wei-Qi Sarah | | | 1672 | SIN | 0.00 | 1 | -0.62 | 15 | -9.30 | | | Ko, Wei-Liang William | | | 1862 | SIN | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Ho, En-Huei Danielle | | wf | 1747 | SIN | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Er, Si-Hui Vivian | | | 1711 | SIN | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Chan, Yi-Jun Timothy | | | 1659 | SIN | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Cheng, Jie Ling Zerlene | | | 1852 | SIN | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Foo, Benjamin | | | 1983 | SIN | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Lo, Yin-Ling Melissa | | | 1764 | SIN | 0.00 | 1 | -0.49 | 15 | -7.35 | |
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) | | | | National Junior Training T1 Silver 2009 | Singapore | SIN | 2009-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1758 | 1756 | 2.50 | 4 | 0.52 | 15 | 7.80 | |
| | Lo, Yin-Ling Melissa | | | 1764 | SIN | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Wong, Zeng-Rong | | | 1767 | SIN | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Chng, Jiun Jing Pearle | | | 1767 | SIN | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Lim, De-Li Derek | | | 1735 | SIN | 0.50 | 1 | -0.03 | 15 | -0.45 | |
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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