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Individual Calculations July 2008 |
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| Madugalle, Y.d.b. Total change: 40.35 | |   |
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| Sri Lanka National B Chess Championship 2008 | Colombo | SRI | 2008-04-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2043 | 1991 | 5.00 | 9 | 1.15 | 15 | 17.25 | |
|  Weerawardane, Romesh | | | 2121 | SRI | 0.50 | 1 | 0.18 | 15 | 2.70 | |  Herath, Nishendra | | | 2030 | SRI | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Kottahachchi, K.o.v. | | | 1930 | SRI | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Fonseka, C.k.d | | | 2050 | SRI | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Wijesuriya, Laxman | | | 2084 | SRI | 1.00 | 1 | 0.63 | 15 | 9.45 | | | De Silva, Osheen | | | 1960 | SRI | 0.00 | 1 | -0.54 | 15 | -8.10 | | | Kavinda, Akhila | | | 1988 | SRI | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Dissanayake, Ruchira | | | 2083 | SRI | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Dissanayake, Prasanga | | | 2144 | SRI | 0.50 | 1 | 0.20 | 15 | 3.00 | |
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 National A Chess Championship 2008 | Kandy | SRI | 2008-05-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2082 | 1991 | 6.50 | 13 | 1.54 | 15 | 23.10 | |
| | Peiris, T.g.m. | | | 2027 | SRI | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Kurukulasuriya, Prasanna | | | 2036 | SRI | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Annurudha, G.c. | | | 2222 | SRI | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Wijesuriya, G. Luxman | | | 2084 | SRI | 0.50 | 1 | 0.13 | 15 | 1.95 | | | De Silva, Osheen | | | 1960 | SRI | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Pieris, T.d.r. | | | 2141 | SRI | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Bandara, P.m.r.l. | | | 1895 | SRI | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Weerawardane, R. | | | 2121 | SRI | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Rajapakse, R.m.c.m. | | | 2111 | SRI | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Mallawarachchi, T.s. | | | 2221 | SRI | 1.00 | 1 | 0.79 | 15 | 11.85 | | | Fonseka, C.k.d. | | | 2050 | SRI | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Kavinda, Akhila | | | 1988 | SRI | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Russell, M.k.a. | | | 2205 | SRI | 0.50 | 1 | 0.27 | 15 | 4.05 | |
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) | | |
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