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Individual Calculations July 2009 |
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| Tan, Khai Boon Total change: -35.55 | |   |
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| 36th Selangor Open Chess Tournament | Kuala Lumpur | MAS | 2009-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2005 | 2131 | 3.00 | 6 | -0.90 | 15 | -13.50 | |
|  Yeop, Mat Zaki | | | 1781 | MAS | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Yusof, Kamaluddin | | | 2168 | MAS | 0.50 | 1 | 0.05 | 15 | 0.75 | |  Udani, Ian | | | 2211 | PHI | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Subramaniam, Sumant | | | 2023 | MAS | 0.00 | 1 | -0.65 | 15 | -9.75 | | | Lim, Zhuo Ren | | | 2009 | MAS | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Nur, Nabila Azman Hisham | | | 1837 | MAS | 1.00 | 1 | 0.15 | 15 | 2.25 | |
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) | | | | Penang Heritage City International Chess Open | Penang | MAS | 2009-06-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2139 | 2131 | 1.00 | 5 | -1.47 | 15 | -22.05 | |
| | Lee, Kah Meng Elgin | | | 1810 | MAS | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Mok, Tze-Meng | f | | 2303 | MAS | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Wong, Hao | | | 2013 | MAS | 0.00 | 1 | -0.66 | 15 | -9.90 | | | Schebler, Gerhard | g | | 2470 | GER | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Tan, Eu Hong | | | 2097 | MAS | 0.00 | 1 | -0.55 | 15 | -8.25 | |
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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