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Individual Calculations July 2015 |
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| Priyankara, Chamil Total change: 58.60 | |   |
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| 5th Dhamso International Chess Festival 2015 | Ambalangoda | SRI | 2015-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1784 | 1960 | 7.00 | 8 | 1.49 | 20 | 29.80 | |
|  Karunaratne, Rahel Chaanakya | | | 1560 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Jayasekara, Benul G H Jithnuka | | | 1560 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ranasinghe, P M | | | 1663 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Herath, H M S S A | | | 1560 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Weerawardane, Romesh | m | | 2110 | SRI | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Galappaththi, Chinthaka Anuruddh | f | | 2130 | SRI | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Wimalasuriya, Kasun M. | c | | 1849 | SRI | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Lamahewa, S | | | 1838 | SRI | 1.00 | 1 | 0.33 | 20 | 6.60 | | | * 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 |
| 1952 | 1960 | 6.50 | 10 | 1.44 | 20 | 28.80 | |
| | Theekshana, H G Denuwan | | | 1654 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | De Silva, Rasheen | | | 1788 | SRI | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Kurukulasuriya, Prasanna | f | | 2102 | SRI | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Peiris, T S S | f | | 2026 | SRI | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Edirisinghe, Dulan | | | 2035 | SRI | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Weerasinghe, Chamath | | | 1825 | SRI | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Doluweera, Minul Sanjula | c | | 2046 | SRI | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Bhagya, Viman | | | 2023 | SRI | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Galappaththi, Chinthaka Anuruddh | f | | 2130 | SRI | 0.50 | 1 | 0.22 | 20 | 4.40 | | | De Silva, Osheen | | | 1888 | SRI | 0.50 | 1 | -0.10 | 20 | -2.00 | |
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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