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Individual Calculations January 2020 |
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| Wimalasuriya, Kasun M. Total change: -12.60 | |   |
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| 11th Ethugalpura International Chess Championship 2019 | Kurunegala | SRI | 2019-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1482 | 1837 | 6.50 | 9 | -1.49 | 20 | -29.80 | |
|  Piyarthne, Mokitha Luthmin | | | 1437 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Sandanayake, Dehansa Nisanduni | | | 1437 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Abhimanyu, Iraja | | | 1437 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gunarathna, D A Viraj Darshana | | | 1463 | SRI | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Uduwala, Pramod Dimuthu | | | 1620 | SRI | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Thenuwara, Rashmika | | | 1513 | SRI | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Thilakarathne, H M G G | | | 1471 | SRI | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Abeysinghe, S M A M | | | 1437 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Tennakoon, Lisara Samadhith | | | 1525 | SRI | 0.50 | 1 | -0.36 | 20 | -7.20 | | | * 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) | | | | Sri Lanka Inter Club Super League Chess Championship 2019 | Colombo | SRI | 2019-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1917 | 1837 | 4.50 | 9 | 0.86 | 20 | 17.20 | |
| | Doluweera, Minul Sanjula | f | | 2197 | SRI | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Weerasinghe, C C | | | 1824 | SRI | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Gamage, Chathulanka | | | 1889 | SRI | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Perera, W C C | c | | 2025 | SRI | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Akasha, J P Vihanga | | | 1490 | SRI | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Raahul, V S | | | 2237 * | IND | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Koggala, W S Vidura K | | | 2020 | SRI | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Jayarathne, M N G | | | 1562 | SRI | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Subasinghe, K R V R | | | 2009 | SRI | 0.00 | 1 | -0.27 | 20 | -5.40 | | | * 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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