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Individual Calculations July 2010 |
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| Premanath, Dinushki Total change: 49.35 | |   |
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| Sri Lanka Women's National B Chess Championship 2010 | Colombo | SRI | 2010-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1697 | 1810 | 6.00 | 8 | 0.85 | 15 | 12.75 | |
|  Hettige, Chathuri | | | 1535 | SRI | 1.00 | 1 | 0.17 | 15 | 2.55 | |  Selvaratnam, Navodya | | | 1686 | SRI | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Yashora, Tiumi | | | 1753 | SRI | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Lamawansa, Yashmi | | | 1697 | SRI | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Liyanagedara, Ayodya | | wc | 1921 | SRI | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Udupitiya, U G S S S | | | 1755 | SRI | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Basnayake, I U | | | 1685 | SRI | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Muhandiram, R M M U | | | 1547 | 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 Chess Championship 2010 | Colombo | SRI | 2010-05-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1720 | 1806 | 10.50 | 13 | 2.57 | 15 | 38.55 | |
| | Senanayake, P R | | wf | 1899 | SRI | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Basnayake, I U | | | 1682 | SRI | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Hettikarannagoda, Uthpala | | | 1594 | SRI | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Hettige, Chathuri | | | 1533 | SRI | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Yashora, Tiumi | | | 1753 | SRI | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Ranasinghe, S D | | | 1827 | SRI | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Selvaratnam, Navodya | | | 1686 | SRI | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Udupitiya, U G S S S | | | 1755 | SRI | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Wettasinghe, S V | | | 1680 | SRI | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Thilakawardana, Supeshala | | wf | 1787 | SRI | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Jayawardhana, W A S H | | | 1672 | SRI | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Muhandiram, R M M U | | | 1566 | SRI | 0.50 | 1 | -0.30 | 15 | -4.50 | | | Liyanagedara, L G A | | wc | 1921 | SRI | 0.50 | 1 | 0.16 | 15 | 2.40 | |
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) | | | | 1st Kandy Open Chess Championship 2010 | Kandy | SRI | 2010-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1906 | 1806 | 1.00 | 3 | -0.10 | 15 | -1.50 | |
| | Weerasekara, Kasun | | | 1816 | SRI | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Tennakoon, I L K | | | 1977 | SRI | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Chandrarathne, W S N | | | 1924 | SRI | 0.00 | 1 | -0.34 | 15 | -5.10 | |
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) | | | | Asian Junior girls Championship | Chennai | IND | 2010-06-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1887 | 1806 | 3.50 | 9 | -0.03 | 15 | -0.45 | |
| | Vo, Thi Kim Phung | | wf | 2096 | VIE | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Aishwarya, R | | | 1496 | IND | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Ivana Maria, Furtado | | wc | 1863 | IND | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Bernales, Christy Lamiel | | | 2043 | PHI | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Kotepalli, Sai Nirupama | | wf | 1931 | IND | 0.50 | 1 | 0.17 | 15 | 2.55 | | | Aparajita, Gochhikar | | | 1884 | IND | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Savetha, C H | | | 2014 | IND | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Navya Vyshnavi, Mannepalli | | | 1734 | IND | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Afshar, Niusha | | | 1923 | IRI | 0.00 | 1 | -0.34 | 15 | -5.10 | |
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) | | |
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