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Individual Calculations January 2019 |
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| Amarasinghe, A A C B Total change: -22.20 | |   |
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| Sri Lanka Inter Club Chess Championship 2018 - Super League | Colombo | SRI | 2018-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1926 | 1922 | 1.50 | 6 | -1.51 | 20 | -30.20 | |
|  Patil, Pratik | | | 2178 | IND | 0.50 | 1 | 0.31 | 20 | 6.20 | |  Ranasinghe, S D | | wm | 1822 | SRI | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Chandrasiri, S A | | | 1733 | SRI | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Wijekoon, Chandana | c | | 1951 | SRI | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Jayaweera, C L | | | 1823 | SRI | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Peiris, T G M | | | 2051 | SRI | 0.00 | 1 | -0.33 | 20 | -6.60 | |
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 2018 | Kurunegala | SRI | 2018-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1611 | 1922 | 6.50 | 7 | 0.75 | 20 | 15.00 | |
| | Gunawardena, I M T S | | wc | 1522 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Jayawardana, T M A | | | 1522 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Yahalmulla, Prasanna | | | 1522 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Fernando, G W Nethmi L | | | 1555 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Jayaweera Gamage, Disindu Hansada | | | 1522 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Thawalampola, Oshada D | | | 1522 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Alahakoon, Isuru | | | 2111 | SRI | 0.50 | 1 | 0.25 | 20 | 5.00 | | | * 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) | | | | Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1635 | 1922 | 7.00 | 9 | -0.35 | 20 | -7.00 | |
| | Hemachandra, D K S Sethmika | | | 1522 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Pallie, Ehsha Mishela | | wc | 1522 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Abhimanyu, Iraja | | | 1522 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Morais, Sanithu Leander Pamudith | | | 1522 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Dahanayake, Isara Banidu | c | | 1575 | SRI | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Kodithuwakku, Himsara | | | 1601 | SRI | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Randil, Lakshitha | | | 1935 | SRI | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Jayaweera, Y | | | 1704 | SRI | 1.00 | 1 | 0.22 | 20 | 4.40 | | | De Silva, Osheen | | | 1814 | SRI | 0.00 | 1 | -0.65 | 20 | -13.00 | | | * 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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