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Individual Calculations March 2011 |
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| Weerawardane, R Total change: 16.65 | |   |
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| 64Squares Chess Challenge - 2011 | Kandy | SRI | 2011-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1959 | 2148 | 6.00 | 7 | 0.97 | 15 | 14.55 | |
|  Ranasinghe, C N | | | 1759 | SRI | 1.00 | 1 | 0.09 | 15 | 1.35 | |  Senanayaka, P D | | | 1846 | SRI | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Bandara, Dhanushka | | | 1807 | SRI | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Kalugampitiya, R S | | | 2073 | SRI | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Rajapakse, R M C M | | | 2184 | SRI | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Bhagya, Viman | | | 1984 | SRI | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Perera, W C C | | | 2060 | SRI | 0.50 | 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) | | | | Inter Club Super League Chess Championships 2010 | Colombo | SRI | 2011-02-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2033 | 2148 | 5.00 | 7 | 0.48 | 15 | 7.20 | |
| | Kavikeshawa, Kg | | | 1934 | SRI | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Anuruddha, Gc | | | 2166 | SRI | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Koggala, Wsvk | | | 2063 | SRI | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Pieris, Tss | | | 1995 | SRI | 0.00 | 1 | -0.70 | 15 | -10.50 | | | Lasith Subash, Wa | | | 1874 | SRI | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Kalugampitiya, Rs | | | 2073 | SRI | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Dissanayake, Pr | | | 2128 | SRI | 1.00 | 1 | 0.47 | 15 | 7.05 | |
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) | | | | 4th Colombo International Chess Festival 2011 | Colombo | SRI | 2011-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1980 | 2148 | 4.50 | 7 | -0.34 | 15 | -5.10 | |
| | Lekh, Mithawala | | | 1816 | IND | 0.00 | 1 | -0.88 | 15 | -13.20 | | | Haputhanthri, H U D B | | | 1748 * | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Ahmed, Fuad | | | 1828 | MDV | 1.00 | 1 | 0.13 | 15 | 1.95 | | | De Silva, Osheen | | | 1972 | SRI | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Anuruddha, G C | | | 2166 | SRI | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Navin, Kanna T U | | | 2383 | IND | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Jayasundara, P K U M | | | 1949 | SRI | 0.50 | 1 | -0.26 | 15 | -3.90 | | | * 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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