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Individual Calculations November 2015 |
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| Lamahewa, C Total change: -0.60 | |   |
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| Buddhi International Rating Chess Championship 2015 | Gampaha | SRI | 2015-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1577 | 1869 | 7.50 | 9 | 0.12 | 20 | 2.40 | |
|  Thilakarathne, Malidu Amodya | | | 1469 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Harrikizhan, K C | | | 1469 * | SRI | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Attanayaka, Chamath | | | 1469 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Perera, U I Himal | | | 1469 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Tharushi, T H D Niklesha | | | 1485 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Sathkumara, S M S C | | | 1559 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Theekshana, H G Denuwan | | | 1693 | SRI | 0.50 | 1 | -0.23 | 20 | -4.60 | | | Liyanage, Ranindu Dilshan | | | 1675 | SRI | 1.00 | 1 | 0.25 | 20 | 5.00 | | | De Silva, Osheen | | | 1902 | SRI | 1.00 | 1 | 0.55 | 20 | 11.00 | | | * 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) | | | | Negombo Chess Festival 2015 | Negombo | SRI | 2015-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1628 | 1861 | 6.00 | 8 | -0.15 | 20 | -3.00 | |
| | Perera , Vihini Vimansa | | | 1461 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ranasinghe, R A Malidu Bathiya | | | 1506 | SRI | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Theekshana, H G Denuwan | | | 1735 | SRI | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Nonis, P A R R | | | 1512 | SRI | 0.50 | 1 | -0.39 | 20 | -7.80 | | | De Silva, J I Ajantha | | | 1526 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Lakshitha, H H Sasindu | | | 1752 | SRI | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Madusanka, L D P | | | 1685 | SRI | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Doluweera, Dinul Thisura | c | | 1850 | SRI | 0.50 | 1 | -0.02 | 20 | -0.40 | | | * 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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