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Individual Calculations January 2012 |
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| Alahakoon, Isuru Total change: 29.55 | |   |
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| Sri Lanka Inter Club Super League 2011 | Colombo | SRI | 2011-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2032 | 1907 | 3.00 | 5 | 1.32 | 15 | 19.80 | |
|  Athukorala, P M A B | | | 2077 | SRI | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Karunaratne, D C J | | | 1993 | SRI | 1.00 | 1 | 0.62 | 15 | 9.30 | |  Samarakoon, U L | | | 1909 | SRI | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Wijesuriya, G Luxman | | | 2055 | SRI | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Kalugampitiya, R S | | | 2128 | SRI | 1.00 | 1 | 0.78 | 15 | 11.70 | |
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) | | | | 3rd Ethugalpura Chess Challenge | Kurunegala | SRI | 2011-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1799 | 1907 | 5.00 | 7 | 0.65 | 15 | 9.75 | |
| | Kumari, S C T | | | 1512 | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Madumadha, M Chaithika Samith | | | 1788 | SRI | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Kaluarachchi, Achinthya Shamen | | | 1507 * | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Wijekoon, Chandana | | | 2024 | SRI | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Bandara, A J S D | | | 1825 | SRI | 1.00 | 1 | 0.39 | 15 | 5.85 | | | Arun, Karthik R | | | 2299 | IND | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Liyanagedara, L G N M B | | | 1640 | SRI | 1.00 | 1 | 0.18 | 15 | 2.70 | | | * 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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