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Individual Calculations January 2009 |
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| Lee, Kah-Jin Total change: -1.50 | |   |
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| 27th National Age Group Chess Championships 2009 - Open | Singapore | SIN | 2008-11-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1887 | 1892 | 2.50 | 5 | -0.06 | 25 | -1.50 | |
|  Neubronner, Jarred | c | | 2170 | SIN | 0.00 | 1 | -0.17 | 25 | -4.25 | |  Chu, Shao-Min | | | 1895 | SIN | 1.00 | 1 | 0.50 | 25 | 12.50 | | | Muhd, Haikal | f | | 1940 | SIN | 0.50 | 1 | 0.07 | 25 | 1.75 | | | Lo, Yin-Ling Melissa | | | 1745 | SIN | 0.50 | 1 | -0.20 | 25 | -5.00 | | | Er, Si-Hui Vivian | | | 1687 | SIN | 0.50 | 1 | -0.26 | 25 | -6.50 | |
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) | | |
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