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Individual Calculations July 2010 |
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| Muhandiram, R M M U Total change: 179.85 | |   |
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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 |
| 1770 | 1547 | 3.50 | 6 | 2.14 | 25 | 53.50 | |
|  Udupitiya, U G S S S | | | 1755 | SRI | 0.50 | 1 | 0.27 | 25 | 6.75 | |  Selvaratnam, Navodya | | | 1686 | SRI | 0.50 | 1 | 0.19 | 25 | 4.75 | | | Liyanagedara, Ayodya | | wc | 1921 | SRI | 1.00 | 1 | 0.90 | 25 | 22.50 | | | Yashora, Tiumi | | | 1753 | SRI | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Lamawansa, Yashmi | | | 1697 | SRI | 1.00 | 1 | 0.70 | 25 | 17.50 | | | Premanath, Dinushki | | | 1810 | SRI | 0.50 | 1 | 0.32 | 25 | 8.00 | |
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) | | | | Sri Lanka Women's National Chess Championship 2010 | Colombo | SRI | 2010-05-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1738 | 1566 | 9.00 | 13 | 5.27 | 25 | 131.75 | |
| | Hettige, Chathuri | | | 1533 | SRI | 0.50 | 1 | -0.05 | 25 | -1.25 | | | Yashora, Tiumi | | | 1753 | SRI | 1.00 | 1 | 0.74 | 25 | 18.50 | | | Ranasinghe, S D | | | 1827 | SRI | 1.00 | 1 | 0.82 | 25 | 20.50 | | | Selvaratnam, Navodya | | | 1686 | SRI | 1.00 | 1 | 0.66 | 25 | 16.50 | | | Udupitiya, U G S S S | | | 1755 | SRI | 1.00 | 1 | 0.75 | 25 | 18.75 | | | Wettasinghe, S V | | | 1680 | SRI | 1.00 | 1 | 0.66 | 25 | 16.50 | | | Thilakawardana, Supeshala | | wf | 1787 | SRI | 0.50 | 1 | 0.28 | 25 | 7.00 | | | Jayawardhana, W A S H | | | 1672 | SRI | 1.00 | 1 | 0.64 | 25 | 16.00 | | | Basnayake, I U | | | 1682 | SRI | 0.00 | 1 | -0.34 | 25 | -8.50 | | | Liyanagedara, L G A | | wc | 1921 | SRI | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Senanayake, P R | | wf | 1899 | SRI | 0.50 | 1 | 0.38 | 25 | 9.50 | | | Premanath, Dinushki | | | 1806 | SRI | 0.50 | 1 | 0.30 | 25 | 7.50 | | | Hettikarannagoda, Uthpala | | | 1594 | SRI | 1.00 | 1 | 0.54 | 25 | 13.50 | |
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 | | 1st Kandy Open Chess Championship 2010 | Kandy | SRI | 2010-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1913 | 1566 | 0.00 | 3 | -0.36 | 15 | -5.40 | |
| | Bandara, P M R L | | | 1966 * | SRI | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Bhagya, Viman | | | 1966 * | SRI | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Prabajith, Asela | | | 1806 | SRI | 0.00 | 1 | -0.20 | 15 | -3.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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