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Individual Calculations April 2008 |
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| Rajapakse, R M C M Total change: 2.70 | |   |
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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 |
| 2082 | 2148 | 3.50 | 6 | -0.02 | 15 | -0.30 | |
|  Liyanage, N.p | | | 1966 | SRI | 1.00 | 1 | 0.26 | 15 | 3.90 | |  Siriwardena, D.i.s | | | 1981 | SRI | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Anurudda, G.c. | | | 2167 | SRI | 0.50 | 1 | 0.03 | 15 | 0.45 | | | De, Silva N.rashin | | | 2018 | SRI | 1.00 | 1 | 0.32 | 15 | 4.80 | | | , Wijesuriya.g.l | | | 2164 | SRI | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Dulan, Edirisinghe | | | 2197 | SRI | 0.50 | 1 | 0.07 | 15 | 1.05 | |
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 | 2108 | 9.00 | 13 | 0.96 | 15 | 14.40 | |
| | Amarakoon, Naditha Thilanga | | | 1758 | SRI | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Telge, Peiris Gayan Madushanka | | | 1999 | SRI | 0.00 | 1 | -0.65 | 15 | -9.75 | | | Russell, M K A | | | 2187 | SRI | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Ketalawala, J.k.c. | | | 1758 | SRI | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Kottahachchy, K O V | | | 1799 | SRI | 0.50 | 1 | -0.36 | 15 | -5.40 | | | Edirisinghe, Dulan | | | 2197 | SRI | 1.00 | 1 | 0.62 | 15 | 9.30 | | | De, Silwa N Rashin | | | 1969 | SRI | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Wijesurija, G Laxman | | | 2105 | SRI | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Annurudha, G C | | | 2167 | SRI | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Dissanayake, Rs | | | 2038 | SRI | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Kurukulasuriya, Prasanna | | | 2052 | SRI | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Nishendra, Herath | | | 1980 | SRI | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Kuruppu, Danuke | | | 2094 | SRI | 0.50 | 1 | -0.02 | 15 | -0.30 | |
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) | | | | Asian Team Chess Championship 2007 | Vizag, A.P. | IND | 2008-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2418 | 2108 | 0.00 | 6 | -0.90 | 15 | -13.50 | |
| | Filippov, Anton | m | | 2458 | UZB | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Ganguly, Surya Shekhar | g | | 2458 | IND | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Mahjoob, Morteza | g | | 2458 | IRI | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Rohit, Gogineni | m | | 2458 | IND | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Khaiber, Farazi (c) | | | 2217 | AFG | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Bu, Xiangzhi (c) | g | | 2458 | CHN | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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) | | | | Colombo International Chess Festival | Colombo | SRI | 2008-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2183 | 2108 | 1.00 | 2 | 0.14 | 15 | 2.10 | |
| | De Silva, Osheen | | | 1936 | SRI | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Girinath, P.d.s. | m | | 2430 | IND | 0.00 | 1 | -0.13 | 15 | -1.95 | |
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) | | |
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