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Individual Calculations January 2009 |
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| Pereira, Johnharry Total change: -25.50 | |   |
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| 2008 Sarawak Open Chess Championship | Kuching | MAS | 2008-10-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2181 | 1926 | 0.00 | 3 | -0.58 | 15 | -8.70 | |
|  Mok, Tze-Meng | f | | 2276 | MAS | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Abang, Mohd Reduan | | | 2083 | MAS | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Yusof, Kamaluddin | | | 2184 | MAS | 0.00 | 1 | -0.18 | 15 | -2.70 | |
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) | | | | 5th Singapore Challengers International Open Tournament 2008 | Singapore | SIN | 2008-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1873 | 1926 | 0.00 | 2 | -1.12 | 15 | -16.80 | |
| | Eng, Andre-Jerome | | | 2049 | SIN | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Lim, De-Dao Linson | | | 1696 | SIN | 0.00 | 1 | -0.79 | 15 | -11.85 | |
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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