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Individual Calculations September 2014 |
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| Perera, Jayashanka Total change: -19.00 | |   |
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| Mercantile / Government Services International Rating Chess Championship 2014 | Colombo | SRI | 2014-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1687 | 1766 | 1.50 | 3 | -0.30 | 20 | -6.00 | |
|  Herath, H M S S A | | | 1561 | SRI | 1.00 | 1 | 0.24 | 20 | 4.80 | |  Fonseka, C K D | | | 1850 | SRI | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Rathgalla, J M C B | | | 1650 | SRI | 0.50 | 1 | -0.16 | 20 | -3.20 | |
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) | | | | 5th Kandy Open International Rating Chess Championship | Kandy | SRI | 2014-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1571 | 1766 | 6.50 | 10 | -0.65 | 20 | -13.00 | |
| | Jayawickrama, U W R K | | | 1366 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Chamikara, H M D R Dilusha | | | 1366 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Herath, H M R M K | | | 1400 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Deegoda, S R | | | 1638 | SRI | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Kulasekara, Kashapa D M T | | | 1959 | SRI | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Ranasinghe, Shalini | | | 1500 | SRI | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Marasinghe, H N B | | | 1595 | SRI | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Madanperuma, M A Sunera | | | 1366 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Nirmalarajah, S | | | 1585 | SRI | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Kavinda, Akila | | | 1936 | SRI | 0.00 | 1 | -0.28 | 20 | -5.60 | | | * 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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