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Individual Calculations April 2008 |
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| Rajapaksha, A Total change: -10.70 | |   |
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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 |
| 1805 | 1827 | 3.00 | 5 | 0.37 | 25 | 9.25 | |
|  Umesha, B, G.d. | | | 1886 | SRI | 0.50 | 1 | 0.08 | 25 | 2.00 | |  Thilakawardana, S. | | | 1626 | SRI | 1.00 | 1 | 0.24 | 25 | 6.00 | | | Jayathilake, B. | | | 1820 | SRI | 1.00 | 1 | 0.49 | 25 | 12.25 | | | Ranasinghe, S. | | | 1882 | SRI | 0.00 | 1 | -0.42 | 25 | -10.50 | | | Ambanwala, Lumbini | | | 1810 | SRI | 0.50 | 1 | -0.02 | 25 | -0.50 | |
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 |
| 1766 | 1827 | 8.00 | 13 | 0.51 | 25 | 12.75 | |
| | Wijesuriya, G V | | wc | 1897 | SRI | 0.00 | 1 | -0.40 | 25 | -10.00 | | | Lumbini, Ambanwela | | | 1810 | SRI | 0.00 | 1 | -0.52 | 25 | -13.00 | | | Herath, Gayathri | | | 1800 | SRI | 0.50 | 1 | -0.04 | 25 | -1.00 | | | Kodithuwakku, Sithumi | | | 1542 | SRI | 1.00 | 1 | 0.16 | 25 | 4.00 | | | Jayathilake, B | | | 1820 | SRI | 1.00 | 1 | 0.49 | 25 | 12.25 | | | Maheshika, D M P | | | 1847 | SRI | 1.00 | 1 | 0.53 | 25 | 13.25 | | | Thilakawardana, Supeshala | | | 1623 | SRI | 1.00 | 1 | 0.24 | 25 | 6.00 | | | Perera, Anjana | | | 1788 | SRI | 0.50 | 1 | -0.05 | 25 | -1.25 | | | Walallawita, Lihini | | | 1780 | SRI | 0.50 | 1 | -0.07 | 25 | -1.75 | | | Umesha, B G D | | | 1886 | SRI | 0.50 | 1 | 0.08 | 25 | 2.00 | | | Premanath, Dinushki | | | 1613 | SRI | 1.00 | 1 | 0.23 | 25 | 5.75 | | | Ranasinghe, S. | | | 1854 | SRI | 0.50 | 1 | 0.04 | 25 | 1.00 | | | Cooray, Thanya M. | | | 1694 | SRI | 0.50 | 1 | -0.18 | 25 | -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) | | | 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 |
| 1995 | 1827 | 0.50 | 6 | -1.33 | 15 | -19.95 | |
| | Premnath, R | | | 2177 | IND | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Lim, Kian Hwa | | | 2062 | MAS | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Ghosh, Diptayan | | | 2006 | IND | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Deshmukh, Anup | m | | 2177 | IND | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Thilakawardana, Supeshala | | | 1623 | SRI | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Niji, A | | | 1925 | IND | 0.00 | 1 | -0.37 | 15 | -5.55 | |
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) | | | 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 |
| 2117 | 1827 | 0.00 | 5 | -0.85 | 15 | -12.75 | |
| | Ghader Pour, Shayesteh | | wm | 2177 | IRI | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Tania, Sachdev | | wg | 2177 | IND | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Shen, Yang | | wg | 2177 | CHN | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Sriharika, Y.g. | | | 1896 | IND | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Amrutha, Mokal | | | 2157 | IND | 0.00 | 1 | -0.12 | 15 | -1.80 | |
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) | | |
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