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Individual Calculations March 2010 |
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| Amarasinghe, A A C B Total change: 9.15 | |   |
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| Ethugalpura Chess Challenge | Kurunegala, Sri Lanka | SRI | 2009-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1945 | 1934 | 2.00 | 2 | 1.03 | 15 | 15.45 | |
|  Perera, Dulan K A | | | 1907 | SRI | 1.00 | 1 | 0.46 | 15 | 6.90 | |  Perera, L N | | | 1983 | SRI | 1.00 | 1 | 0.57 | 15 | 8.55 | |
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) | | | | 3rd Colombo International Chess Festival 2010 | Colombo | SRI | 2010-01-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1807 | 1934 | 3.50 | 6 | -0.42 | 15 | -6.30 | |
| | Egodage, Keshan | | | 1786 | SRI | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Kodithuwakku, Arachchige Padmas | | | 1565 | SRI | 1.00 | 1 | 0.10 | 15 | 1.50 | | | Viswanath, Sandilya B | | | 1956 | IND | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Thilakawardana, Supeshala | | wf | 1809 | SRI | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Nishvin, J | | | 1946 | IND | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Munasinghe, Shanaka | | | 1782 | SRI | 1.00 | 1 | 0.30 | 15 | 4.50 | |
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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