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Individual Calculations July 2009 |
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| Anuruddha, G.c. Total change: -2.10 | |   |
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| 2nd Sri Lanka IM Tournament | Kegalle | SRI | 2009-02-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2244 | 2173 | 7.00 | 14 | 1.18 | 15 | 17.70 | |
|  Peiris, T.g.m. | | | 2133 | SRI | 0.50 | 1 | -0.06 | 15 | -0.90 | |  Laxman, R.r. | m | | 2478 | SRI | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Manish, Hamal | f | | 2089 | SRI | 0.00 | 1 | -0.62 | 15 | -9.30 | | | Russell, M.k.a. | | | 2209 | SRI | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Kurukulasuriya, Prasanna | | | 2092 | SRI | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Deshmukh, Anup | m | | 2311 | SRI | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Narayanan, Srinath | m | | 2397 | SRI | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Peiris, T.g.m. | | | 2133 | SRI | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Laxman, R.r. | m | | 2478 | SRI | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Manish, Hamal | f | | 2089 | SRI | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Russell, M.k.a. | | | 2209 | SRI | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Kurukulasuriya, Prasanna | | | 2092 | SRI | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Deshmukh, Anup | m | | 2311 | SRI | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Narayanan, Srinath | m | | 2397 | SRI | 0.50 | 1 | 0.28 | 15 | 4.20 | |
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 B Chess Championship 2009 | Colombo | SRI | 2009-05-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2023 | 2187 | 7.00 | 10 | -0.09 | 15 | -1.35 | |
| | Amarasinghe, A.a.c.b.j.b. | | | 1901 | SRI | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Kuruwitage, Yasas Kalana | | | 1961 | SRI | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Fonseka, C.k.d. | | | 1999 | SRI | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Kurukulasuriya, Prasanna | | | 2085 | SRI | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Senaka, Rajeendra | | | 2126 | SRI | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Mallawarachchi, T.s. | | | 2075 | SRI | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Alahakoon, Isuru | | | 1947 | SRI | 0.50 | 1 | -0.30 | 15 | -4.50 | | | Edirisinghe, Dulan | | | 2128 | SRI | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Wijesuriya, G.l. | | | 2049 | SRI | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Hapuarachchi, H.l.m. | | | 1963 | SRI | 0.50 | 1 | -0.28 | 15 | -4.20 | |
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 2009 | Colombo | SRI | 2009-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2064 | 2187 | 6.00 | 11 | -1.23 | 15 | -18.45 | |
| | Mallawarachchi, T S | | | 2075 | SRI | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Russell, M K A | | | 2241 | SRI | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Peiris, T G M | | | 2129 | SRI | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Hapuarachchi, H L M | | | 1963 | SRI | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Kottahachchy, K O V | | | 2050 | SRI | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Kalugampitiya, R S | | | 2126 | SRI | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Gunasinghe, S R | | | 1940 | SRI | 0.50 | 1 | -0.31 | 15 | -4.65 | | | Jayawardena, M | | | 1920 | SRI | 0.00 | 1 | -0.82 | 15 | -12.30 | | | Kurukulasuriya, Prasanna | | | 2085 | SRI | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Wijesuriya, G Luxman | | | 2049 | SRI | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Edirisinghe, Dulan | | | 2128 | SRI | 0.50 | 1 | -0.08 | 15 | -1.20 | |
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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