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Individual Calculations July 2015 |
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| Samaranayake, K P R N Total change: -19.60 | |   |
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| 5th Dhamso International Chess Festival 2015 | Ambalangoda | SRI | 2015-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1503 | 1806 | 4.00 | 6 | -1.07 | 20 | -21.40 | |
|  Dissanayake, D M M S | | | 1406 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Ranasinghe, Diyana Sithuwanthi | | | 1406 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Jayaweera, Sayuni Gihansa | | wc | 1503 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | De Silva, W R L | | | 1638 | SRI | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Sandeepa, Haputhanthrige N Akshi | | | 1459 | SRI | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Manuranga, D Lahiru | | | 1603 | SRI | 0.00 | 1 | -0.76 | 20 | -15.20 | | | * 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 |
| 1754 | 1806 | 5.50 | 10 | 0.09 | 20 | 1.80 | |
| | Madanperuma, M A Sunera | | | 1406 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | De Silva, Elath Mathanga | | | 1962 | SRI | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Herath, H M H C B | | | 1438 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Mendis, W G Chinthaka | | | 1875 | SRI | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Gunaratne, Mojitha Sathsara | c | | 1899 | SRI | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Weerakoon, R K B | | | 1535 | SRI | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Naotunna, Dineth Nimnaka | | | 2006 | SRI | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Sathkumara, S M S C | | | 1486 | SRI | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Jayasundara, P K U M | c | | 2031 | SRI | 1.00 | 1 | 0.78 | 20 | 15.60 | | | Hapuarachchi, H L M | | | 1900 | SRI | 0.50 | 1 | 0.13 | 20 | 2.60 | | | * 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) | | |
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