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Individual Calculations January 2019 |
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| Rathnayake, M A A H Total change: -11.80 | |   |
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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 |
| 1906 | 1880 | 2.50 | 5 | 0.18 | 20 | 3.60 | |
|  Randil, Lakshitha | | | 1935 | SRI | 0.00 | 1 | -0.42 | 20 | -8.40 | |  Galappaththi, Chinthaka Anuruddh | f | | 2060 | SRI | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Perera, Jayashanka | | | 1812 | SRI | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Lasitha, Subash | c | | 1717 | SRI | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Priyankara, Chamil | | | 2004 | SRI | 1.00 | 1 | 0.67 | 20 | 13.40 | |
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 |
| 1532 | 1880 | 7.00 | 9 | -0.77 | 20 | -15.40 | |
| | Chamika, R A Binul | | | 1480 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Alwis, B H A Rasidu | | | 1480 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Jayawardana, Chenuka Nethvidu | | | 1480 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Arachchi, C S A | | | 1480 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Chandula, E D S | | | 1492 | SRI | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Randil, Lakshitha | | | 1935 | SRI | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Sarathchandra, Gihansa M | | | 1480 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Sanudula, K M Dahamdi | | wc | 1480 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Welangalle, Pesala Dulkith | | | 1480 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | |
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