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Individual Calculations August 2018 |
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| Dabarera, G W D M Total change: 128.80 | |   |
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| 5th Sri Lanka National Amateur International Rating Chess Championships 2018 | Kurunegala | SRI | 2018-06-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1603 | 1700 | 6.50 | 8 | 1.80 | 40 | 72.00 | |
|  Bandara, R M D T | | | 1300 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Wijethilake, D N | | | 1300 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Bogodawatte , Keshan | | | 1300 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Amarasinghe, A A C B | | | 1917 | SRI | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Danushka, M A N | | | 1860 | SRI | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Lakmal, M A C | | | 1524 | SRI | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Lamahewa, C | | | 1834 | SRI | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Silva, Kevin Ranidu | c | | 1791 | SRI | 0.50 | 1 | 0.12 | 40 | 4.80 | | | * 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) | | | | 14th Asian Schools Chess Championship 2018 - under 15 open | Waskaduwa | SRI | 2018-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1749 | 1700 | 5.50 | 9 | 1.42 | 40 | 56.80 | |
| | Devnaka, Chamin | | | 1385 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Thilakarathne, G M H | f | | 2100 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Cooray, T C M Dulein Kavindu | | | 1492 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Vidyarathna, Anjitha | | | 1606 | SRI | 0.50 | 1 | -0.13 | 40 | -5.20 | | | Prasitsoonthorn, Teerachoti | | | 1947 | THA | 1.00 | 1 | 0.81 | 40 | 32.40 | | | Nanayakkara, J A K Saranath | f | | 2012 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Kaushik, G Iyer | | | 1642 | IND | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Mehta, Naitik R | | | 1960 | IND | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Perera, D Upashan L | | | 1593 | SRI | 1.00 | 1 | 0.35 | 40 | 14.00 | | | * 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) | | |
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