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Individual Calculations July 2015 |
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| Wijekoon, Chandana Total change: -49.40 | |   |
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| 5th Dhamso International Chess Festival 2015 | Ambalangoda | SRI | 2015-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1739 | 2007 | 6.00 | 8 | -0.38 | 20 | -7.60 | |
|  Kariyawasam, L Hirunima | | | 1607 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Silva, K C Kaushitha | | | 1607 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Subasinghe, D D C H | | | 1678 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Fernando, J M Marlon P | | | 1755 | SRI | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Galappaththi, Chinthaka Anuruddh | f | | 2130 | SRI | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Prabath, D G Ravi | | | 1812 | SRI | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Ranasinghe, P M | | | 1663 | SRI | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Malhara, W.a. Hansana | | | 1657 | SRI | 1.00 | 1 | 0.11 | 20 | 2.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | National B Chess Championship 2015 | Colombo | SRI | 2015-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1815 | 2007 | 4.50 | 9 | -2.09 | 20 | -41.80 | |
| | Marasinghe, H N B | | | 1677 | SRI | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Priyadarshana, Y Danushka | | | 1641 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Dassanayake, D M G S | | | 1845 | SRI | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Doluweera, Minul Sanjula | c | | 2046 | SRI | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Weerasinghe, Chamath | | | 1825 | SRI | 0.00 | 1 | -0.74 | 20 | -14.80 | | | Thilakarathne, G M S | | | 1890 | SRI | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Madusanka, L D P | | | 1737 | SRI | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Hettiarachchi, C U | | | 1715 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Lamawansa, Yasas | | | 1960 | SRI | 0.00 | 1 | -0.57 | 20 | -11.40 | |
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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