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Individual Calculations July 2009 |
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| Chutubtim, Prayudh Total change: 22.00 | |   |
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| Thailand Open Chess Championship 2009 | Pattaya | THA | 2009-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2137 | 1953 | 2.50 | 7 | 0.62 | 25 | 15.50 | |
|  Li, Hanbin | | | 2303 | CHN | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Michalet, Guy | | | 2201 | FRA | 0.00 | 1 | -0.19 | 25 | -4.75 | |  Hoffman, Ron | | | 2133 | NED | 0.50 | 1 | 0.24 | 25 | 6.00 | | | O`Rourke, Ray | | | 2069 | IRL | 0.50 | 1 | 0.16 | 25 | 4.00 | | | Sollid, Stein | | | 2071 | NOR | 0.50 | 1 | 0.16 | 25 | 4.00 | | | Pongkiettisak, Sant | | | 2025 | THA | 1.00 | 1 | 0.60 | 25 | 15.00 | | | Tuorila, Kai | | | 2157 | THA | 0.00 | 1 | -0.24 | 25 | -6.00 | |
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) | | | | May Day FIDE Rating Tournament 2009 | Singapore | SIN | 2009-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1923 | 1953 | 3.50 | 6 | 0.26 | 25 | 6.50 | |
| | Ong, Wah-Peng John | | | 1766 | SIN | 0.50 | 1 | -0.24 | 25 | -6.00 | | | Ow, Jun Wai Ryan | | | 1870 | SIN | 1.00 | 1 | 0.39 | 25 | 9.75 | | | Chan, Wei-Yi Victoria | | wf | 1912 | SIN | 0.50 | 1 | -0.06 | 25 | -1.50 | | | Cheng, Jie Ling Zerlene | | | 1835 | SIN | 1.00 | 1 | 0.34 | 25 | 8.50 | | | Tan, Weiliang | | | 2145 | SIN | 0.50 | 1 | 0.25 | 25 | 6.25 | | | Mooi, Osric Kok Onn | | | 2012 | SIN | 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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