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Individual Calculations April 2008 |
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| Thilakawardana, Supeshala Total change: 60.90 | |   |
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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 |
| 1860 | 1626 | 0.50 | 4 | -0.33 | 15 | -4.95 | |
|  Jayathilake, B. | | | 1820 | SRI | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Rajapaksha, A. | | | 1827 | SRI | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Wijesuriya, G.v., G.v. | | wc | 1908 | SRI | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Umesha, B, G.d. | | | 1886 | SRI | 0.50 | 1 | 0.32 | 15 | 4.80 | |
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 |
| 1781 | 1623 | 7.00 | 13 | 3.11 | 15 | 46.65 | |
|  Lumbini, Ambanwela | | | 1810 | SRI | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Herath, Gayathri | | | 1800 | SRI | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Kodithuwakku, Sithumi | | | 1542 | SRI | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Jayathilake, B | | | 1820 | SRI | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Maheshika, D M P | | | 1847 | SRI | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Perera, Anjana | | | 1788 | SRI | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Rajapaksha, A | | | 1827 | SRI | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Walallawita, Lihini | | | 1780 | SRI | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Umesha, B G D | | | 1886 | SRI | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Premanath, Dinushki | | | 1613 | SRI | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Ranasinghe, S. | | | 1854 | SRI | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Cooray, Thanya M. | | | 1694 | SRI | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Wijesuriya, G V | | wc | 1897 | SRI | 0.50 | 1 | 0.33 | 15 | 4.95 | |
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) | | | | Commonwealth Chess Championships | Sirifort Sports Complex, Khel Gaon, New Delhi, India. | IND | 2007-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1916 | 1623 | 2.50 | 8 | 1.24 | 15 | 18.60 | |
| | Rajesh, V A V | f | | 1973 | IND | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Kotepalli, Sai Nirupama | | wf | 1973 | IND | 0.00 | 1 | -0.11 | 15 | -1.65 | | | J, V Sai Kiran | | | 1886 | IND | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Rajapaksha, A | | | 1827 | SRI | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Agnihotri, Ghosh | | | 1888 | IND | 1.00 | 1 | 0.82 | 15 | 12.30 | | | Akash, Pc Iyer | | | 1873 | IND | 1.00 | 1 | 0.81 | 15 | 12.15 | | | Arvind, Uniyal | | | 1973 | IND | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Patil, Pratik | | | 1938 | IND | 0.00 | 1 | -0.14 | 15 | -2.10 | |
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 Asian Schools Chess Festival under 15 Girs | Kandy | SRI | 2008-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1908 | 1677 | 0.50 | 2 | 0.04 | 15 | 0.60 | |
| | Pon N., Krithika (wfm) | | wf | 2027 | IND | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Gupta, Astha | | | 1788 | IND | 0.50 | 1 | 0.15 | 15 | 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) | | |
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