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Individual Calculations April 2009 |
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| Er, Si-Hui Vivian Total change: -13.50 | |   |
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| 61st National Chess Championships 2009 - Challengers | Singapore | SIN | 2009-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1773 | 1711 | 3.00 | 7 | 0.05 | 15 | 0.75 | |
|  Ho, En-Huei Danielle | | wf | 1747 | SIN | 0.00 | 1 | -0.45 | 15 | -6.75 | |  Chan, Wei-Qi Sarah | | | 1672 | SIN | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Chan, Yi-Jun Timothy | | | 1659 | SIN | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Sia, Xin-Jie Selina | | | 1756 | SIN | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Ko, Wei-Liang William | | | 1862 | SIN | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Foo, Benjamin | | | 1983 | SIN | 0.00 | 1 | -0.17 | 15 | -2.55 | | | 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) | | | | National Junior Squad U2000 Match 1 2009 | Singapore | SIN | 2009-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1931 | 1711 | 0.00 | 1 | -0.22 | 15 | -3.30 | |
| | Muhd, Haikal | f | | 1931 | SIN | 0.00 | 1 | -0.22 | 15 | -3.30 | |
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 |
| 1687 | 1711 | 3.00 | 7 | -0.73 | 15 | -10.95 | |
| | Neo, Xiuwen Christabel | | | 1712 | SIN | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Neo, Xiuwen Christabel | | | 1712 | SIN | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Goh, Weng-Keong Isaiah | | | 1631 | SIN | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Monisha, Raja Jawahar | | wf | 1620 | SIN | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Lim, De-Li Derek | | | 1735 | SIN | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Goh, Weng-Keong Isaiah | | | 1631 | SIN | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Wong, Zeng-Rong | | | 1767 | SIN | 0.00 | 1 | -0.42 | 15 | -6.30 | |
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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