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Individual Calculations April 2009 |
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| Cheng, Jie Ling Zerlene Total change: -17.25 | |   |
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| 61st National Chess Championships 2009 - Challengers | Singapore | SIN | 2009-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1789 | 1852 | 3.50 | 8 | -1.16 | 25 | -29.00 | |
|  Chan, Wei-Qi Sarah | | | 1672 | SIN | 1.00 | 1 | 0.26 | 25 | 6.50 | |  Wee, Chu En Kelvin | | | 1998 | SIN | 0.00 | 1 | -0.30 | 25 | -7.50 | | | Ho, En-Huei Danielle | | wf | 1747 | SIN | 1.00 | 1 | 0.36 | 25 | 9.00 | | | Lim, De-Li Derek | | | 1735 | SIN | 0.50 | 1 | -0.16 | 25 | -4.00 | | | Lo, Yin-Ling Melissa | | | 1764 | SIN | 0.00 | 1 | -0.62 | 25 | -15.50 | | | Foo, Benjamin | | | 1983 | SIN | 0.00 | 1 | -0.32 | 25 | -8.00 | | | Sia, Xin-Jie Selina | | | 1756 | SIN | 0.00 | 1 | -0.63 | 25 | -15.75 | | | Chan, Yi-Jun Timothy | | | 1659 | SIN | 1.00 | 1 | 0.25 | 25 | 6.25 | |
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 |
| 1691 | 1852 | 0.00 | 1 | -0.71 | 25 | -17.75 | |
| | Jung, Young Hoon | | | 1691 | KOR | 0.00 | 1 | -0.71 | 25 | -17.75 | |
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) | | | | National Junior Training T1 Silver 2009 | Singapore | SIN | 2009-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1921 | 1852 | 4.00 | 7 | 1.18 | 25 | 29.50 | |
| | Wong, Shern Yang Jonathan | f | | 1893 | SIN | 0.00 | 1 | -0.44 | 25 | -11.00 | | | Chia, Cheng-Yi Aloysius | | | 1960 | SIN | 0.00 | 1 | -0.35 | 25 | -8.75 | | | Muhd, Haikal | f | | 1931 | SIN | 1.00 | 1 | 0.61 | 25 | 15.25 | | | Iskandar, Bin Abdullah | | | 1849 | SIN | 1.00 | 1 | 0.50 | 25 | 12.50 | | | Wong, Shern Yang Jonathan | f | | 1893 | SIN | 0.00 | 1 | -0.44 | 25 | -11.00 | | | Chia, Cheng-Yi Aloysius | | | 1960 | SIN | 1.00 | 1 | 0.65 | 25 | 16.25 | | | Chin, Matthew-Peter | | | 1961 | SIN | 1.00 | 1 | 0.65 | 25 | 16.25 | |
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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