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Individual Calculations April 2008 |
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| Ranasinghe, S A Total change: 2.90 | |   |
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| Sri Lanka Women's National B Chess Championships 2007 | Colombo | SRI | 2007-09-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1834 | 1882 | 2.50 | 4 | 0.23 | 25 | 5.75 | |
|  Jayathilake, B. | | | 1820 | SRI | 1.00 | 1 | 0.41 | 25 | 10.25 | |  Walallawita, Lihini | | | 1780 | SRI | 0.50 | 1 | -0.14 | 25 | -3.50 | | | Rajapaksha, A. | | | 1827 | SRI | 1.00 | 1 | 0.42 | 25 | 10.50 | | | Wijesuriya, G.v., G.v. | | wc | 1908 | SRI | 0.00 | 1 | -0.46 | 25 | -11.50 | |
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) | | | | Sri Lanka Women's National A Chess Championship 2007 | Colombo | SRI | 2007-10-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1764 | 1854 | 8.50 | 13 | 0.51 | 25 | 12.75 | |
| | Umesha, B G D | | | 1886 | SRI | 0.00 | 1 | -0.46 | 25 | -11.50 | | | Premanath, Dinushki | | | 1613 | SRI | 1.00 | 1 | 0.20 | 25 | 5.00 | | | Perera, Anjana | | | 1788 | SRI | 1.00 | 1 | 0.41 | 25 | 10.25 | | | Cooray, Thanya M. | | | 1694 | SRI | 1.00 | 1 | 0.29 | 25 | 7.25 | | | Wijesuriya, G V | | wc | 1897 | SRI | 0.00 | 1 | -0.44 | 25 | -11.00 | | | Lumbini, Ambanwela | | | 1810 | SRI | 1.00 | 1 | 0.44 | 25 | 11.00 | | | Herath, Gayathri | | | 1800 | SRI | 0.00 | 1 | -0.58 | 25 | -14.50 | | | Kodithuwakku, Sithumi | | | 1542 | SRI | 0.50 | 1 | -0.36 | 25 | -9.00 | | | Jayathilake, B | | | 1820 | SRI | 1.00 | 1 | 0.45 | 25 | 11.25 | | | Maheshika, D M P | | | 1847 | SRI | 1.00 | 1 | 0.49 | 25 | 12.25 | | | Thilakawardana, Supeshala | | | 1623 | SRI | 0.50 | 1 | -0.29 | 25 | -7.25 | | | Rajapaksha, A | | | 1827 | SRI | 0.50 | 1 | -0.04 | 25 | -1.00 | | | Walallawita, Lihini | | | 1780 | SRI | 1.00 | 1 | 0.40 | 25 | 10.00 | |
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) | | | NOTE: K factor changed | | Asian Women Team Chess Championship 2007 | Vizag, A.P. | IND | 2008-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2120 | 1835 | 0.00 | 6 | -1.04 | 15 | -15.60 | |
| | Paridar, Shadi | | wg | 2185 | IRI | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Nguyen, Thi Thanh An | | wg | 2185 | VIE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Sabirova, O | | wm | 2185 | UZB | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Huang, Qian | | wm | 2185 | CHN | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Sahajasri, Ch | | wf | 1922 | IND | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Baisakhi, Das | | | 2056 | IND | 0.00 | 1 | -0.22 | 15 | -3.30 | |
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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