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Individual Calculations January 2015 |
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| Wijekoon, Chandana Total change: -59.60 | |   |
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| Sri Lanka Grand Prix | Colombo | SRI | 2014-11-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1984 | 2076 | 2.50 | 7 | -1.85 | 20 | -37.00 | |
|  Priyankara, Chamil | | | 1953 | SRI | 0.50 | 1 | -0.17 | 20 | -3.40 | |  Bhagya, Viman | | | 2025 | SRI | 0.00 | 1 | -0.57 | 20 | -11.40 | | | Ranasinghe, S D | | wm | 1867 | SRI | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Kandearachchi, Niranga | | | 1990 | SRI | 1.00 | 1 | 0.38 | 20 | 7.60 | | | De Silva, Osheen | | | 1897 | SRI | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Galappaththi, Chinthaka Anuruddh | f | | 2157 | SRI | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Doluweera, Minul Sanjula | c | | 2002 | SRI | 0.00 | 1 | -0.60 | 20 | -12.00 | |
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) | | | | Ethugalpura International Rating Chess Championship 2014 | Kurunegala | SRI | 2014-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1704 | 2067 | 6.00 | 8 | -1.13 | 20 | -22.60 | |
| | Athukorala, A T N | | | 1667 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Chamikara, H M D R Dilusha | | | 1667 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Sandeepana, W M Vibushitha | | | 1667 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Thilakarathne, G M S | | | 1737 | SRI | 0.00 | 1 | -0.88 | 20 | -17.60 | | | Bandara, T B S H | | | 1667 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gunathilake, H B N D | | | 1667 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Rathnayake, M A A H | | | 1896 | SRI | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Bandara, S A R B | | | 1667 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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