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Individual Calculations July 2010 |
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| Amarasena, Kaveesha Total change: -15.00 | |   |
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| Sri Lanka Major Division Galle Chess Championship 2010 | Galle | SRI | 2010-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1783 | 1921 | 2.00 | 4 | -0.62 | 15 | -9.30 | |
|  Jayarathne, Savindhi | | | 1521 * | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Egodage, Keshan | | | 1792 | SRI | 0.50 | 1 | -0.17 | 15 | -2.55 | |  Prabajith, Asela | | | 1820 | SRI | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Kanchana, Gihan | | | 1998 | SRI | 0.00 | 1 | -0.39 | 15 | -5.85 | | | * 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) | | | | Sri Lanka National B Chess Championship 2010 | Colombo | SRI | 2010-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1989 | 1921 | 5.00 | 8 | 1.72 | 15 | 25.80 | |
| | Munasinghe, Lahiru | | | 1949 | SRI | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Fonseka, C K D | | | 2000 | SRI | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Weerawardane, R | | | 2165 | SRI | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Bandara, P M R L | | | 1995 | SRI | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Dissanayake, R S | | | 2030 | SRI | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Kottahachchy, K O V | | | 2017 | SRI | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Wikramanayake, T. U | | | 1815 | SRI | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Amarasinghe, A A C B | | | 1943 | SRI | 1.00 | 1 | 0.53 | 15 | 7.95 | |
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 |
| 2041 | 1926 | 2.50 | 13 | -2.10 | 15 | -31.50 | |
| | Anuruddha, G C | | | 2120 | SRI | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Athukorala, P M A B | | | 2127 | SRI | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Russell, M K A | | | 2269 | SRI | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Wijekoon, Chandana | | | 1958 | SRI | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Jayasundara, P K U M | | | 1954 | SRI | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Peiris, T S S | | | 2003 | SRI | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Weerawardane, R | | | 2165 | SRI | 0.50 | 1 | 0.30 | 15 | 4.50 | | | De Silva, Osheen | | | 1948 | SRI | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Pieris, T D R | | | 2062 | SRI | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Koggala, W S V K | | | 1940 | SRI | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Dissanayake, R S | | | 2030 | SRI | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Perera, W C C | | | 1963 | SRI | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Bandara, P M R L | | | 1995 | SRI | 0.00 | 1 | -0.40 | 15 | -6.00 | |
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) | | |
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