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Individual Calculations April 2008 |
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| Kasthuri, Arachchill Akkila Kavi Total change: -7.05 | |   |
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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 |
| 2007 | 1995 | 2.00 | 4 | 0.07 | 15 | 1.05 | |
|  Karunanayake, M.methm | | | 1904 | SRI | 1.00 | 1 | 0.38 | 15 | 5.70 | |  Anurudda, G.c. | | | 2167 | SRI | 0.00 | 1 | -0.27 | 15 | -4.05 | | | , Tennekoon.i.l.k | | | 2022 | SRI | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Athavan, R.k | | | 1934 | SRI | 0.00 | 1 | -0.58 | 15 | -8.70 | |
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) | | | | 3rd Asian Schools Chess Festival under 15 Boys | Kandy | SRI | 2008-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1862 | 1995 | 1.50 | 3 | -0.54 | 15 | -8.10 | |
| | Kottahachchy, K.o.v. | | | 1797 | SRI | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Ajmera, Atishay | | | 1902 | IND | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Hapuarachchi, H.l.m. | | | 1886 | SRI | 0.50 | 1 | -0.15 | 15 | -2.25 | |
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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