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Individual Calculations February 2017 |
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| Amarasinghe, A A C B Total change: -6.80 | |   |
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| 1st SSC Open International 2016 | Matara | SRI | 2016-12-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1611 | 1847 | 7.50 | 9 | 0.68 | 20 | 13.60 | |
|  Wakista, Janiru | | | 1447 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Waranga, M G Yasasmi | | | 1447 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ariyaratne, H B I | | | 1527 | SRI | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Manuranga, D Lahiru | | | 1665 | SRI | 0.00 | 1 | -0.74 | 20 | -14.80 | | | Piyathilake, K D D H | | | 1447 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Shashiprabath, D Adeepa | | | 1620 | SRI | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Madushanka, Harsha | | | 1831 | SRI | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Punchihewa, Kokila Prageeth | | | 1447 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Galappaththi, Chinthaka Anuruddh | f | | 2064 | SRI | 0.50 | 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) | | | | Kalutara Chess Festival 2017 | Kalutara | SRI | 2017-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1586 | 1878 | 5.50 | 8 | -1.02 | 20 | -20.40 | |
| | Chamathka, Weerasinghe A Chethan | | | 1478 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gamage, Randula Navodya | | | 1478 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Silva, K C Kaushitha | | | 1478 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Lakshitha, H H Sasindu | | | 1653 | SRI | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Athukorala, A T N | | | 1478 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Piyumantha, M Thisal Manjith | | | 1559 | SRI | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Kodikara, K K M Sachintha | | wc | 1543 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Priyankara, Chamil | | | 2017 | SRI | 0.00 | 1 | -0.31 | 20 | -6.20 | | | * 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) | | |
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