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Individual Calculations July 2015 |
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| Lasitha, Subash Total change: 42.80 | |   |
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| 5th Dhamso International Chess Festival 2015 | Ambalangoda | SRI | 2015-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1566 | 1750 | 6.50 | 8 | 0.88 | 20 | 17.60 | |
|  Samarasinghe, Sithumi | | | 1350 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Nanayakkara, Sachindu Charuka | | | 1350 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Galappaththi, Chinthaka Anuruddh | f | | 2130 | SRI | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Komalage, Akila Evan | | | 1350 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Silva, K C Kaushitha | | | 1457 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Ranasinghe, P K | | | 1586 | SRI | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Wimalasuriya, M Sachithra | | | 1443 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Miraj, Akila | | | 1865 | SRI | 1.00 | 1 | 0.66 | 20 | 13.20 | | | * 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) | | | | National B Chess Championship 2015 | Colombo | SRI | 2015-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1922 | 1750 | 3.50 | 8 | 1.26 | 20 | 25.20 | |
| | Hapuarachchi, H L M | | | 1900 | SRI | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Doluweera, Minul Sanjula | c | | 2046 | SRI | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Nanayakkara, J A K Saranath | | | 1872 | SRI | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Bhagya, Viman | | | 2023 | SRI | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Thilakarathne, G M H | c | | 1950 | SRI | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Thilakarathne, G M S | | | 1890 | SRI | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Dassanayake, D M G S | | | 1845 | SRI | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Liyanapathirana, Pasan Vindula | | | 1847 | SRI | 0.50 | 1 | 0.13 | 20 | 2.60 | |
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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