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Individual Calculations April 2008 |
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| Russell, M K A (c) Total change: 18.15 | |   |
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| Sri Lanka National A Chess Championships 2007 | Colombo | SRI | 2007-10-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2017 | 2187 | 9.50 | 13 | 0.29 | 15 | 4.35 | |
|  Kottahachchy, K O V | | | 1837 | SRI | 0.50 | 1 | -0.39 | 15 | -5.85 | |  Edirisinghe, Dulan | | | 2197 | SRI | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Rajapaksha, Rmcm | | | 2108 | SRI | 0.00 | 1 | -0.61 | 15 | -9.15 | | | Wijesurija, G Laxman | | | 2105 | SRI | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Annurudha, G C | | | 2167 | SRI | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Dissanayake, Rs | | | 2038 | SRI | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Kurukulasuriya, Prasanna | | | 2052 | SRI | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Nishendra, Herath | | | 1980 | SRI | 0.00 | 1 | -0.77 | 15 | -11.55 | | | Kuruppu, Danuke | | | 2094 | SRI | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Amarakoon, Naditha Thilanga | | | 1837 | SRI | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Telge, Peiris Gayan Madushanka | | | 1999 | SRI | 1.00 | 1 | 0.26 | 15 | 3.90 | | | De, Silwa N Rashin | | | 1969 | SRI | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Ketalawala, J.k.c. | | | 1837 | SRI | 1.00 | 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) | | | | 12th Rakan Muda GACC World Inter-Varsity Chess Championship | Kuala Lumpur | MAS | 2007-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2106 | 2187 | 1.50 | 3 | -0.30 | 15 | -4.50 | |
| | Roderick, Nava | f | | 2351 | PHI | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Srinivas, Menon | | | 1969 | IND | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Peiris, T.g.m. | | | 1999 | 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 |
| 2494 | 2187 | 1.00 | 6 | 0.12 | 15 | 1.80 | |
| | Iuldachev, Saidali (c) | g | | 2526 | UZB | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Kunte, Abhijit | g | | 2537 | IND | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Darban, Morteza | m | | 2401 | IRI | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Arun Prasad, S | m | | 2423 | IND | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Le, Quang Liem | g | | 2537 | VIE | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Wang, Hao | g | | 2537 | 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 |
| 2125 | 2187 | 4.00 | 5 | 1.10 | 15 | 16.50 | |
| | Sandaliya, B | | | 1946 | IND | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Mallawarachchi, T S | | | 2229 | SRI | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Priyankara, Chamil Y | | | 1967 | SRI | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Kurukulasuriya, Prasanna | | | 2052 | SRI | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Girinath, P.d.s. | m | | 2430 | IND | 0.50 | 1 | 0.30 | 15 | 4.50 | |
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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