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Individual Calculations May 2018 |
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| Rathnayake, M A A H Total change: -31.60 | |   |
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| 11th Colombo International Chess Championship 2018 | Colombo | SRI | 2018-03-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1601 | 1899 | 6.00 | 9 | -1.58 | 20 | -31.60 | |
|  Perera, Isara Ranmeth | | | 1499 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Wiratunga, Jenith | | | 1499 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Pathum, G Saranga | | | 1663 | SRI | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Wiratunga, Ishan | | | 1725 | SRI | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Siriwardena, R I Pasan Bhanuka | | | 1616 | SRI | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Samaraweera, Dimuth Indeepa | | | 1499 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Koggala, W S T D | | | 1556 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Yashora, Tiumi | | | 1682 | SRI | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Aluvihare, Shakila | | | 1668 | SRI | 0.50 | 1 | -0.29 | 20 | -5.80 | | | * 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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