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Individual Calculations June 2018 |
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| Alahakoon, Isuru Total change: 30.40 | |   |
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| 8th Dhamso International Chess Festival 2018 | Ambalngoda | SRI | 2018-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1787 | 2097 | 6.00 | 8 | -0.66 | 20 | -13.20 | |
|  Asuramanna, Mevindu Hansana | | | 1697 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Murali, V. | | | 1697 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Priyadarshana, Y Danushka | | | 1697 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Wiratunga, Ishan | | | 1725 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Sandamith, W M | | | 1754 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Deepak, Katiyar | | | 2140 | IND | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Amarasinghe, A A C B | | | 1892 | SRI | 0.00 | 1 | -0.76 | 20 | -15.20 | | | De Silva, L M S T | f | | 1697 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | * 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) | | | | Sri Lanka National Chess Championship 2018 | Colombo | SRI | 2018-05-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2014 | 2102 | 9.50 | 12 | 2.18 | 20 | 43.60 | |
| | Wijekoon, Chandana | c | | 1943 | SRI | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Doluweera, Minul Sanjula | f | | 2254 | SRI | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Koggala, W S Vidura K | | | 2015 | SRI | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Danushka, M A N | | | 1883 | SRI | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Priyankara, Chamil | | | 2017 | SRI | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Thilakarathne, G M H | c | | 2186 | SRI | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Piyumantha, M Sasith Nipun | f | | 2219 | SRI | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Jayaweera, C L | | | 1787 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Peiris, T G M | | | 2091 | SRI | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Dissanayake, R K T | | | 1859 | SRI | 0.00 | 1 | -0.80 | 20 | -16.00 | | | Jayawardana, Lasal | | | 1909 | SRI | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Liyanage, Ranindu Dilshan | c | | 2003 | SRI | 1.00 | 1 | 0.36 | 20 | 7.20 | |
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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