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Individual Calculations April 2008 |
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| Telge, Peiris Gayan Madushanka Total change: 28.35 | |   |
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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 |
| 2031 | 1999 | 2.50 | 5 | 0.22 | 15 | 3.30 | |
|  De, Moraes Shamine | | | 1994 | SRI | 1.00 | 1 | 0.49 | 15 | 7.35 | | | , Chandraratne.w.l.c | | | 2103 | SRI | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Kottahachchy, K.o.v | | | 1801 | SRI | 0.50 | 1 | -0.26 | 15 | -3.90 | | | , Wijesuriya.g.l | | | 2164 | SRI | 0.00 | 1 | -0.28 | 15 | -4.20 | |  Kuruppu, Danuke | | | 2094 | SRI | 0.50 | 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) | | | | Sri Lanka National A Chess Championships 2007 | Colombo | SRI | 2007-10-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2006 | 1999 | 8.00 | 13 | 1.71 | 15 | 25.65 | |
| | Edirisinghe, Dulan | | | 2197 | SRI | 1.00 | 1 | 0.76 | 15 | 11.40 | | | Rajapaksha, Rmcm | | | 2108 | SRI | 1.00 | 1 | 0.65 | 15 | 9.75 | | | Wijesurija, G Laxman | | | 2105 | SRI | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Annurudha, G C | | | 2167 | SRI | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Dissanayake, Rs | | | 2038 | SRI | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Kurukulasuriya, Prasanna | | | 2052 | SRI | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Nishendra, Herath | | | 1980 | SRI | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Kuruppu, Danuke | | | 2094 | SRI | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Amarakoon, Naditha Thilanga | | | 1661 | SRI | 1.00 | 1 | 0.12 | 15 | 1.80 | | | De, Silwa N Rashin | | | 1969 | SRI | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Russell, M K A | | | 2187 | SRI | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Ketalawala, J.k.c. | | | 1716 | SRI | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Kottahachchy, K O V | | | 1799 | SRI | 0.50 | 1 | -0.26 | 15 | -3.90 | |
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) | | | | 12th Rakan Muda GACC World Inter-Varsity Chess Championship | Kuala Lumpur | MAS | 2007-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2187 | 1999 | 0.50 | 1 | 0.24 | 15 | 3.60 | |
| | Russell, M.k.a. | | | 2187 | SRI | 0.50 | 1 | 0.24 | 15 | 3.60 | |
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 |
| 2349 | 1999 | 0.00 | 5 | -0.55 | 15 | -8.25 | |
| | Gareev, Timur | g | | 2349 | UZB | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Ghaem Maghami, Ehsan (c) | g | | 2349 | IRI | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Deepan, Chakkravarthy J (c) | g | | 2349 | IND | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Nguyen, Ngoc Truong Son | g | | 2349 | VIE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Wang, Yue | g | | 2349 | 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 |
| 2053 | 1999 | 2.00 | 4 | 0.27 | 15 | 4.05 | |
| | Rathnasekara, Abimanyu | | | 1843 | SRI | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Mallawarachchi, T S | | | 2229 | SRI | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Weerawardane, R | | | 2171 | SRI | 1.00 | 1 | 0.73 | 15 | 10.95 | | | Reddy, S. Tejaswini | | | 1967 | IND | 0.00 | 1 | -0.54 | 15 | -8.10 | |
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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