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Individual Calculations July 2010 |
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| Perera, L.n Total change: -47.40 | |   |
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| Sri Lanka Major Division Kandy Chess Championship 2010 | Kandy | SRI | 2010-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1795 | 1982 | 2.50 | 4 | -0.44 | 15 | -6.60 | |
|  Rajapaksha, R.m.t.c | | | 1674 | SRI | 0.50 | 1 | -0.36 | 15 | -5.40 | |  Farshan, H.m | | | 1763 | SRI | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Perera, W.c.c | | | 1942 | SRI | 0.50 | 1 | -0.06 | 15 | -0.90 | | | Akthar, M.r | | | 1801 | 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) | | | | Sri Lanka National B Chess Championship 2010 | Colombo | SRI | 2010-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1860 | 1982 | 3.50 | 9 | -2.41 | 15 | -36.15 | |
| | Kumara, C M S Praneeth | | | 1739 | SRI | 0.00 | 1 | -0.80 | 15 | -12.00 | | | Aktar, M R | | | 1801 | SRI | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Hirimburegama, Yasith | | | 1884 | SRI | 0.00 | 1 | -0.63 | 15 | -9.45 | | | Rathnasekara, Abimanyu | | | 1836 | SRI | 0.00 | 1 | -0.70 | 15 | -10.50 | | | Thilakawardana, Supeshala | | wf | 1787 | SRI | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Prabajith, Asela | | | 1820 | SRI | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Wijesuriya, G Luxman | | | 2088 | SRI | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Amarakoon, Naditha | | | 2024 | SRI | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Farshan, H M | | | 1763 | SRI | 0.50 | 1 | -0.28 | 15 | -4.20 | |
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) | | | | 1st Kandy Open Chess Championship 2010 | Kandy | SRI | 2010-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1870 | 1992 | 1.00 | 2 | -0.31 | 15 | -4.65 | |
| | Jayaweera, C.l. | | | 1744 | SRI | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Bandara, P M R L | | | 1995 | SRI | 0.00 | 1 | -0.50 | 15 | -7.50 | |
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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