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Individual Calculations April 2008 |
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| , Wijesuriya.g.l Total change: -21.45 | |   |
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| Sri Lanka National B Chess Championships 2007 | Colombo | SRI | 2007-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2036 | 2164 | 3.50 | 6 | -0.45 | 15 | -6.75 | |
|  Kottahachchy, K.o.v | | | 1814 | SRI | 0.00 | 1 | -0.89 | 15 | -13.35 | | | Kurukulasuriya, Prasa | | | 2052 | SRI | 1.00 | 1 | 0.35 | 15 | 5.25 | |  Rajapaksha, Rmcm | | | 2148 | SRI | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Anurudda, G.c. | | | 2167 | SRI | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Telge, Peiris Gayan | | | 1999 | SRI | 1.00 | 1 | 0.28 | 15 | 4.20 | | | , Dissanayake.r.s | | | 2038 | SRI | 0.00 | 1 | -0.67 | 15 | -10.05 | |
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) | | | | Sri Lanka National A Chess Championships 2007 | Colombo | SRI | 2007-10-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2008 | 2105 | 7.00 | 13 | -0.98 | 15 | -14.70 | |
| | Kuruppu, Danuke | | | 2094 | SRI | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Amarakoon, Naditha Thilanga | | | 1755 | SRI | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Telge, Peiris Gayan Madushanka | | | 1999 | SRI | 0.00 | 1 | -0.64 | 15 | -9.60 | | | Russell, M K A | | | 2187 | SRI | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Ketalawala, J.k.c. | | | 1755 | SRI | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Kottahachchy, K O V | | | 1799 | SRI | 0.00 | 1 | -0.86 | 15 | -12.90 | | | Edirisinghe, Dulan | | | 2197 | SRI | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Rajapaksha, Rmcm | | | 2108 | SRI | 1.00 | 1 | 0.50 | 15 | 7.50 | | | De, Silwa N Rashin | | | 1969 | SRI | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Annurudha, G C | | | 2167 | SRI | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Dissanayake, Rs | | | 2038 | SRI | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Kurukulasuriya, Prasanna | | | 2052 | SRI | 0.50 | 1 | -0.07 | 15 | -1.05 | | | Nishendra, Herath | | | 1980 | SRI | 0.50 | 1 | -0.17 | 15 | -2.55 | |
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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