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Individual Calculations July 2010 |
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| Anuruddha, G C Total change: 24.00 | |   |
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| Sri Lanka National B Chess Championship 2010 | Colombo | SRI | 2010-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1993 | 2148 | 7.00 | 10 | 0.00 | 15 | 0.00 | |
|  Senanayake, P R | | wf | 1899 | SRI | 1.00 | 1 | 0.19 | 15 | 2.85 | |  Wijekoon, Chandana | | | 1961 | SRI | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Jayasundara, P K U M | | | 1943 | SRI | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Bandara, P M R L | | | 1995 | SRI | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Mallawarachchi, T S | | | 2029 | SRI | 0.50 | 1 | -0.16 | 15 | -2.40 | | | De Silva, Osheen | | | 1930 | SRI | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Alahakoon, Isuru | | | 1954 | SRI | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Koggala, W S V K | | | 1969 | SRI | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Weerawardane, R | | | 2165 | SRI | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Pieris, T D R | | | 2083 | SRI | 0.50 | 1 | -0.09 | 15 | -1.35 | |
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) | | | | Sri Lanka National Chess Championship 2010 | Colombo | SRI | 2010-05-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2026 | 2120 | 10.50 | 13 | 2.38 | 15 | 35.70 | |
| | Amarasena, Kaveesha | | | 1926 | SRI | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Peiris, T S S | | | 2003 | SRI | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Weerawardane, R | | | 2165 | SRI | 0.00 | 1 | -0.44 | 15 | -6.60 | | | De Silva, Osheen | | | 1948 | SRI | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Pieris, T D R | | | 2062 | SRI | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Koggala, W S V K | | | 1940 | SRI | 0.00 | 1 | -0.74 | 15 | -11.10 | | | Dissanayake, R S | | | 2030 | SRI | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Perera, W C C | | | 1963 | SRI | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Bandara, P M R L | | | 1995 | SRI | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Jayasundara, P K U M | | | 1954 | SRI | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Athukorala, P M A B | | | 2127 | SRI | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Russell, M K A | | | 2269 | SRI | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Wijekoon, Chandana | | | 1958 | SRI | 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) | | | | 1st Kandy Open Chess Championship 2010 | Kandy | SRI | 2010-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1812 | 2120 | 3.50 | 5 | -0.78 | 15 | -11.70 | |
| | Ranasinghe, C N | | | 1782 | SRI | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Sushrutha, Reddy | | | 1853 | IND | 0.50 | 1 | -0.32 | 15 | -4.80 | | | Herath, H M L Y | | | 1861 | SRI | 0.00 | 1 | -0.82 | 15 | -12.30 | | | Rabel, Chinthaka | | | 1760 | SRI | 1.00 | 1 | 0.10 | 15 | 1.50 | | | Prabajith, Asela | | | 1806 | SRI | 1.00 | 1 | 0.14 | 15 | 2.10 | |
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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