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Individual Calculations July 2009 |
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| Tan, Ken Wei Total change: 13.20 | |   |
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| 36th Selangor Open Chess Tournament | Kuala Lumpur | MAS | 2009-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2130 | 1929 | 2.00 | 5 | 0.76 | 15 | 11.40 | |
|  Yeoh, Chin-Seng | | | 2184 | MAS | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Udani, Ian | | | 2211 | PHI | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Che Hassan, Abdullah | | | 2158 | MAS | 0.00 | 1 | -0.21 | 15 | -3.15 | |  Shafruddin, Fariz | | | 2071 | MAS | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Ong, Way Justin | | | 2026 | MAS | 1.00 | 1 | 0.63 | 15 | 9.45 | |
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) | | | | National Championship 2009 | Kuala Lumpur | MAS | 2009-05-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2089 | 1929 | 1.00 | 3 | 0.12 | 15 | 1.80 | |
| | Erowan, Masrin | | | 2027 | MAS | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Che Hassan, Abdullah | | | 2158 | MAS | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Ismail, Ahmad | | | 2081 | MAS | 0.50 | 1 | 0.20 | 15 | 3.00 | |
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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