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Individual Calculations July 2010 |
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| Rathnasekara, Abimanyu Total change: -11.80 | |   |
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| Sri Lanka National B Chess Championship 2010 | Colombo | SRI | 2010-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1934 | 1836 | 2.00 | 7 | -0.58 | 25 | -14.50 | |
|  Mallawarachchi, T S | | | 2029 | SRI | 0.00 | 1 | -0.25 | 25 | -6.25 | |  Koggala, W S V K | | | 1969 | SRI | 0.00 | 1 | -0.32 | 25 | -8.00 | | | Perera, L N | | | 1982 | SRI | 1.00 | 1 | 0.70 | 25 | 17.50 | | | Kuruwitage, Yasas Kalana | | | 1912 | SRI | 1.00 | 1 | 0.60 | 25 | 15.00 | | | Wijekoon, Chandana | | | 1961 | SRI | 0.00 | 1 | -0.33 | 25 | -8.25 | | | Kottahachchy, K O V | | | 2017 | SRI | 0.00 | 1 | -0.26 | 25 | -6.50 | | | Samaranayake, K P R N | | | 1669 | SRI | 0.00 | 1 | -0.72 | 25 | -18.00 | |
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) | | | NOTE: K factor changed | | 1st Kandy Open Chess Championship 2010 | Kandy | SRI | 2010-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1574 | 1838 | 1.00 | 1 | 0.18 | 15 | 2.70 | |
| | Gunaratne, Manisha Suchini | | | 1574 | SRI | 1.00 | 1 | 0.18 | 15 | 2.70 | |
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) | | |
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