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Individual Calculations July 2015 |
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| Mendis, W G Chinthaka Total change: 7.80 | |   |
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| 5th Dhamso International Chess Festival 2015 | Ambalangoda | SRI | 2015-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1594 | 1875 | 6.00 | 8 | -0.63 | 20 | -12.60 | |
|  Dilmini, U K D T | | | 1475 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Dabarera, G W D M | | | 1475 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Thilakarathne, D G D Chamil | | | 1652 | SRI | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Malhara, W.a. Hansana | | | 1657 | SRI | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Nanayakkara, Damika Anupama | | | 1633 | SRI | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Ranasinghe, P M | | | 1663 | SRI | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Priyadarshana, Y Danushka | | | 1641 | SRI | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Herath, H M S S A | | | 1552 | SRI | 1.00 | 1 | 0.13 | 20 | 2.60 | | | * 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) | | | | National B Chess Championship 2015 | Colombo | SRI | 2015-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1875 | 1875 | 5.50 | 9 | 1.02 | 20 | 20.40 | |
| | Anojman, S. | | | 1611 | SRI | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Lakshitha, H H Sasindu | | | 1689 | SRI | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Samaranayake, K P R N | | | 1806 | SRI | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Ranasinghe, S D | | wm | 1813 | SRI | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Jayasundara, P K U M | c | | 2031 | SRI | 1.00 | 1 | 0.71 | 20 | 14.20 | | | Hapuarachchi, H L M | | | 1900 | SRI | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Peiris, T S S | f | | 2026 | SRI | 0.50 | 1 | 0.20 | 20 | 4.00 | | | Doluweera, Minul Sanjula | c | | 2046 | SRI | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Thilakarathne, G M H | c | | 1950 | SRI | 0.00 | 1 | -0.40 | 20 | -8.00 | |
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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