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Individual Calculations January 2009 |
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| Preethi, R Total change: -15.75 | |   |
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| 012 COMMONWEALTH CHESS CHAMPIONSHIP 2008 | Nagpur, Indian | IND | 2008-09-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2020 | 2183 | 4.50 | 8 | -1.00 | 15 | -15.00 | |
|  Akshayraj, Kore | m | | 2392 | IND | 0.00 | 1 | -0.23 | 15 | -3.45 | |  Shubham, Lakudkar | | | 1885 | IND | 0.00 | 1 | -0.85 | 15 | -12.75 | | | Eshwanth, Dev Kumar J | | | 1833 | IND | 0.50 | 1 | -0.39 | 15 | -5.85 | | | Anjana Krishna, S | | | 1845 | IND | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Dave, Shiv Shankar | | | 1959 | IND | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Nihal, Manjunath | | | 1947 | IND | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Ravi, Lanka | m | | 2371 | IND | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Mithil, Ajgaonkar | | | 1930 | IND | 1.00 | 1 | 0.19 | 15 | 2.85 | |
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) | | | | World Youth Chess Championships 2008 - Girls 18 | Vung Tau | VIE | 2008-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2091 | 2156 | 8.00 | 11 | 1.64 | 15 | 24.60 | |
| | Roos, Ezet | | | 1806 | RSA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Jorgensen, Line Jin | | | 1947 | NOR | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Golubenko, Valentina | | wg | 2273 | CRO | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Pham, Thi Thu Hien | | | 2006 | VIE | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Deur, Zrinka | | | 2003 | CRO | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Zhorzholiani, Meri | | wf | 2122 | GEO | 0.00 | 1 | -0.55 | 15 | -8.25 | | | Mnatsakanyan, Diana | | | 1971 | ARM | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Ozturk, Kubra | | wf | 2254 | TUR | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Girya, Olga | | wf | 2332 | RUS | 1.00 | 1 | 0.73 | 15 | 10.95 | | | Li, Panru | | | 2125 | CHN | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Gosciniak, Maria | | | 2161 | POL | 1.00 | 1 | 0.51 | 15 | 7.65 | |
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) | | | | 23rd National Junior Under-19 Girls Chess Championship - 2008 | Tadepalligudem, West Godawari District , Andra Pradesh, India | IND | 2008-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2036 | 2156 | 6.00 | 10 | -0.54 | 15 | -8.10 | |
| | Pratyusha, Bodda | | | 1944 | IND | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Tejaswini, Reddy S | | | 2012 | IND | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Divyasri, Ch | | | 2124 | IND | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Soumya, Swaminathan | | wm | 2326 | IND | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Jayashree, P K | | | 1982 | IND | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Uthra, P | | | 2114 | IND | 0.00 | 1 | -0.56 | 15 | -8.40 | | | Aparajita, Gochhikar | | | 1918 | IND | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Sathya, Priya S V | | | 1911 | IND | 0.00 | 1 | -0.80 | 15 | -12.00 | | | Devangi, Patankar | | | 2105 | IND | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Kotepalli, Sai Nirupama | | wf | 1919 | IND | 1.00 | 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) | | | | Asian Junior Girls Chess Championship - 2008 | Chennai, Tamilnadu | IND | 2008-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1955 | 2156 | 5.50 | 9 | -1.15 | 15 | -17.25 | |
| | Taraswinee, B | | | 1819 | IND | 0.50 | 1 | -0.38 | 15 | -5.70 | | | Supriya, Joshi | | | 1806 | IND | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Mohana, Priya J | | | 2073 | IND | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Meenu, Rajendran | | | 1977 | IND | 0.00 | 1 | -0.73 | 15 | -10.95 | | | Aparna, R | | | 1806 | IND | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Padmini, Rout | | wm | 2235 | IND | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Aparajita, Gochhikar | | | 1918 | IND | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Shristi, J Shetty | | | 1959 | IND | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Harini, S | | | 2001 | IND | 1.00 | 1 | 0.29 | 15 | 4.35 | |
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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