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Individual Calculations April 2008 |
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| Weerawardane, R Total change: -50.10 | |   |
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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 |
| 1961 | 2171 | 4.50 | 9 | -2.37 | 15 | -35.55 | |
|  Athavan, R.k | | | 1934 | SRI | 1.00 | 1 | 0.20 | 15 | 3.00 | |  Herat, Nishendra | | | 1980 | SRI | 0.00 | 1 | -0.75 | 15 | -11.25 | | | Kottahachchy, K.o.v | | | 1821 | SRI | 0.00 | 1 | -0.89 | 15 | -13.35 | | | Hapuarachchi, H.l.m | | | 1909 | SRI | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Wijekoon, Chandana | | | 1989 | SRI | 1.00 | 1 | 0.26 | 15 | 3.90 | | | De, Silva N.rashin | | | 2018 | SRI | 0.00 | 1 | -0.70 | 15 | -10.50 | | | Liyanage, N.p | | | 1966 | SRI | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Kurukulasuriya, Prasa | | | 2052 | SRI | 0.00 | 1 | -0.66 | 15 | -9.90 | | | Siriwardena, D.i.s | | | 1981 | SRI | 0.50 | 1 | -0.25 | 15 | -3.75 | |
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 |
| 2101 | 2171 | 2.00 | 5 | -0.97 | 15 | -14.55 | |
| | De Silwa, N Rashin | | | 1969 | SRI | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Girinath, P.d.s. | m | | 2430 | IND | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Perera, W.c.c. | | | 1940 | SRI | 1.00 | 1 | 0.21 | 15 | 3.15 | | | Telge, Peiris Gayan Madushanka | | | 1999 | SRI | 0.00 | 1 | -0.73 | 15 | -10.95 | | | Annurudha, G C | | | 2167 | SRI | 0.00 | 1 | -0.51 | 15 | -7.65 | |
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) | | |
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