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Individual Calculations April 2008 |
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| Maheshika, D M P Total change: -41.90 | |   |
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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 |
| 1800 | 1847 | 1.00 | 2 | -0.13 | 25 | -3.25 | |
|  Jayathilake, B. | | | 1820 | SRI | 0.50 | 1 | -0.04 | 25 | -1.00 | |  Walallawita, Lihini | | | 1780 | SRI | 0.50 | 1 | -0.09 | 25 | -2.25 | |
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 | 1847 | 6.50 | 13 | -1.36 | 25 | -34.00 | |
| | Herath, Gayathri | | | 1800 | SRI | 1.00 | 1 | 0.43 | 25 | 10.75 | | | Kodithuwakku, Sithumi | | | 1542 | SRI | 0.50 | 1 | -0.36 | 25 | -9.00 | | | Jayathilake, B | | | 1820 | SRI | 1.00 | 1 | 0.46 | 25 | 11.50 | | | Perera, Anjana | | | 1788 | SRI | 0.50 | 1 | -0.08 | 25 | -2.00 | | | Thilakawardana, Supeshala | | | 1623 | SRI | 0.50 | 1 | -0.28 | 25 | -7.00 | | | Rajapaksha, A | | | 1827 | SRI | 0.00 | 1 | -0.53 | 25 | -13.25 | | | Walallawita, Lihini | | | 1780 | SRI | 0.50 | 1 | -0.09 | 25 | -2.25 | | | Umesha, B G D | | | 1886 | SRI | 0.50 | 1 | 0.05 | 25 | 1.25 | | | Premanath, Dinushki | | | 1613 | SRI | 0.50 | 1 | -0.29 | 25 | -7.25 | | | Ranasinghe, S. | | | 1854 | SRI | 0.00 | 1 | -0.49 | 25 | -12.25 | | | Cooray, Thanya M. | | | 1694 | SRI | 0.50 | 1 | -0.20 | 25 | -5.00 | | | Wijesuriya, G V | | wc | 1897 | SRI | 0.50 | 1 | 0.07 | 25 | 1.75 | | | Lumbini, Ambanwela | | | 1810 | SRI | 0.50 | 1 | -0.05 | 25 | -1.25 | |
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 | | Commonwealth Chess Championships | Sirifort Sports Complex, Khel Gaon, New Delhi, India. | IND | 2007-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1922 | 1847 | 2.50 | 7 | -0.31 | 15 | -4.65 | |
| | Kiran, Manisha Mohanty | | wm | 2197 | IND | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Tay, Li-Jin Jeslin | | | 2050 | SIN | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Pavit, Singh | | | 1497 | IND | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Madhukiran, G | | | 2013 | IND | 0.00 | 1 | -0.28 | 15 | -4.20 | | | G V, Revanth Reddy | | | 1625 | IND | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Mohana, Priya J | | | 1988 | IND | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Vivek, Bharti | | | 2086 | IND | 0.00 | 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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