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Individual Calculations July 2009 |
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| Ow, Jun Wai Ryan Total change: -127.00 | |   |
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| National Junior Training T2 Silver 2009 | Singapore | SIN | 2009-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1765 | 1870 | 0.00 | 3 | -1.90 | 25 | -47.50 | |
|  Sia, Xin-Jie Selina | | | 1756 | SIN | 0.00 | 1 | -0.66 | 25 | -16.50 | |  Chan, Wei-Yi Victoria | | wf | 1920 | SIN | 0.00 | 1 | -0.43 | 25 | -10.75 | | | Monisha, Raja Jawahar | | wf | 1620 | SIN | 0.00 | 1 | -0.81 | 25 | -20.25 | |
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) | | | | Thailand Open Challenger 2009 | Pattaya | THA | 2009-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1770 | 1870 | 0.50 | 1 | -0.14 | 25 | -3.50 | |
| | Wiwarin, Piyapon | | | 1770 | THA | 0.50 | 1 | -0.14 | 25 | -3.50 | |
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) | | | | May Day FIDE Rating Tournament 2009 | Singapore | SIN | 2009-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1774 | 1870 | 0.50 | 5 | -2.62 | 25 | -65.50 | |
| | Chan, Yi-Jun Timothy | | | 1618 | SIN | 0.00 | 1 | -0.81 | 25 | -20.25 | | | Chutubtim, Prayudh | | | 1953 | THA | 0.00 | 1 | -0.39 | 25 | -9.75 | | | Ong, Wah-Peng John | | | 1766 | SIN | 0.50 | 1 | -0.14 | 25 | -3.50 | | | Ko, Wei-Liang William | | | 1805 | SIN | 0.00 | 1 | -0.59 | 25 | -14.75 | | | Chua, Xavier | | | 1728 | SIN | 0.00 | 1 | -0.69 | 25 | -17.25 | |
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) | | | | 10th ASEAN+ Age-Group Championships - Open 10 | Hue | VIE | 2009-06-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1931 | 1870 | 0.00 | 1 | -0.42 | 25 | -10.50 | |
| | Lorparizangeneh, Shahin | | | 1931 | IRI | 0.00 | 1 | -0.42 | 25 | -10.50 | |
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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