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Individual Calculations June 2013 |
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| Saranga, N C O Total change: 24.30 | |   |
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| Sri Lanka National B Chess Championship 2013 | Colombo | SRI | 2013-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1860 | 1977 | 6.50 | 8 | 1.27 | 15 | 19.05 | |
|  Perera, A K N A | | | 1740 | SRI | 1.00 | 1 | 0.20 | 15 | 3.00 | |  Ediriweera, Shakthi | | | 1825 | SRI | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Anuruddha, G C | c | | 2130 | SRI | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Lamahewa, C | | | 1836 | SRI | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Gunaratne, Mojitha Sathsara | | | 1755 | SRI | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Amarasinghe, A A C B | | | 1821 | SRI | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Wickramanayake, T U | | | 1845 | SRI | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Perera, L Niranga | | | 1928 | SRI | 0.50 | 1 | -0.07 | 15 | -1.05 | |
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) | | | | 11th Sri Lanka University Games Chess Championship 2013 - Men | Moratuwa | SRI | 2013-05-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1713 | 1977 | 2.00 | 2 | 0.35 | 15 | 5.25 | |
| | Damayantha, Isuru | | | 1731 | SRI | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Lakmal, W A N W | | | 1694 | SRI | 1.00 | 1 | 0.16 | 15 | 2.40 | |
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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