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Individual Calculations February 2017 |
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| De Silva, Osheen Total change: 18.20 | |   |
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| 1st SSC Open International 2016 | Matara | SRI | 2016-12-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1779 | 1945 | 7.50 | 9 | 1.39 | 20 | 27.80 | |
|  Wijesooriya, Senithu Minath | | | 1545 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Cooray, B S M T | | | 1545 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Lakmal, M A C | | | 1548 | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Seneviratne, Shehan Kavishka | | | 1696 | SRI | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Galappaththi, Chinthaka Anuruddh | f | | 2064 | SRI | 0.50 | 1 | 0.16 | 20 | 3.20 | | | Wettasinha, Vasanta | | | 1725 | SRI | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Alahakoon, Isuru | | | 2031 | SRI | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Peiris, T S S | f | | 1939 | SRI | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Gunasinghe, W A T S | | | 1920 | SRI | 0.50 | 1 | -0.03 | 20 | -0.60 | | | * 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 |
| 1659 | 1939 | 6.00 | 8 | -0.48 | 20 | -9.60 | |
| | Amarasena , Isuru Vidurinda | | | 1539 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Silva, K C Kaushitha | | | 1539 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Gamage, Randula Navodya | | | 1539 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Sooriyaarachchi, Isuru Madusha | | | 1539 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Madusanka, L D P | | | 1707 | SRI | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Wijekoon, Chandana | c | | 1904 | SRI | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Lakshitha, H H Sasindu | | | 1653 | SRI | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Thiyasara, K T Thisen | | | 1851 | SRI | 0.50 | 1 | -0.12 | 20 | -2.40 | | | * 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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