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Individual Calculations March 2015 |
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| Lamawansa, Yasas Total change: 41.20 | |   |
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| Colombo Chess Festival 2015 | Colombo | SRI | 2015-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1821 | 1910 | 7.00 | 9 | 1.65 | 20 | 33.00 | |
|  Nanayakkara, T | | | 1510 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Peiris, H Pevinya | | | 1510 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Madusanka, L D P | | | 1699 | SRI | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Prabajith, Asela | | | 1816 | SRI | 1.00 | 1 | 0.37 | 20 | 7.40 | | | De Silva, Osheen | | | 1886 | SRI | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Galappaththi, Chinthaka Anuruddh | f | | 2143 | SRI | 0.50 | 1 | 0.29 | 20 | 5.80 | | | Peiris, T S S | f | | 2017 | SRI | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Madushanka, Harsha | | | 1830 | SRI | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Doluweera, Minul Sanjula | c | | 1974 | SRI | 0.50 | 1 | 0.09 | 20 | 1.80 | | | * 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) | | | | Sri Lanka Major Division Chess Championship 2015 Kandy | Kandy | SRI | 2015-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1711 | 1910 | 7.00 | 9 | 0.41 | 20 | 8.20 | |
| | Madanperuma, M A Sunera | | | 1510 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Basnayaka, M T B | | | 1510 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Dassanayake, D M G S | | | 1678 | SRI | 1.00 | 1 | 0.21 | 20 | 4.20 | | | De Silva, Elath Mathanga | | | 1906 | SRI | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Bandara, S A R B | | | 1565 | SRI | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Prabajith, Asela | | | 1816 | SRI | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Hapuarachchi, H L M | | | 1905 | SRI | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Kalubowila, K H N | | | 1762 | SRI | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Galagamaarachchi, A S | | | 1747 | SRI | 0.50 | 1 | -0.22 | 20 | -4.40 | | | * 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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