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Individual Calculations April 2009 |
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| Ko, Wei-Liang William Total change: -57.50 | |   |
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| 61st National Chess Championships 2009 - Challengers | Singapore | SIN | 2009-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1787 | 1862 | 2.50 | 8 | -2.30 | 25 | -57.50 | |
|  Lim, De-Li Derek | | | 1735 | SIN | 0.00 | 1 | -0.67 | 25 | -16.75 | |  Lakshminarayanan, G. | | | 2014 | IND | 0.00 | 1 | -0.30 | 25 | -7.50 | | | Sia, Xin-Jie Selina | | | 1756 | SIN | 0.50 | 1 | -0.14 | 25 | -3.50 | | | Chan, Wei-Qi Sarah | | | 1672 | SIN | 1.00 | 1 | 0.25 | 25 | 6.25 | | | Ho, En-Huei Danielle | | wf | 1747 | SIN | 0.00 | 1 | -0.66 | 25 | -16.50 | | | Er, Si-Hui Vivian | | | 1711 | SIN | 0.00 | 1 | -0.70 | 25 | -17.50 | | | Chan, Yi-Jun Timothy | | | 1659 | SIN | 1.00 | 1 | 0.24 | 25 | 6.00 | | | Wee, Chu En Kelvin | | | 1998 | SIN | 0.00 | 1 | -0.32 | 25 | -8.00 | |
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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