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Individual Calculations October 2017 |
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| Lasitha, Subash Total change: 33.60 | |   |
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| Southern International Chess Championship 2017 | Galle | SRI | 2017-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1543 | 1779 | 7.00 | 8 | 0.95 | 20 | 19.00 | |
|  Liyanage, K G | | | 1379 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Seneka, M W Thenumi | | | 1379 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Jayanka, L P P R | | | 1426 | SRI | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Priyankara, Chamil | | | 2026 | SRI | 0.00 | 1 | -0.19 | 20 | -3.80 | | | De Silva, R B V Nimsara | | | 1379 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gunarathna, D A Viraj Darshana | | | 1467 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Ranasinghe, P K | | | 1569 | SRI | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Lakshitha, H H Sasindu | | | 1718 | SRI | 1.00 | 1 | 0.42 | 20 | 8.40 | | | * 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) | | | | 3rd Negombo Chess Festival 2017 | Negombo, Sri lanka | SRI | 2017-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1622 | 1779 | 6.50 | 9 | 0.54 | 20 | 10.80 | |
| | Mathangadeera, Tharaka Denuwan | | | 1379 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Sathmina, S L Lalindu | | | 1379 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Dissanayake, Manusha Dinuk | | | 1456 | SRI | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Subasinghe, K R V R | | | 2014 | SRI | 0.50 | 1 | 0.29 | 20 | 5.80 | | | Withanarachchi, W A P I | | | 1382 | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Galappaththi, Chinthaka Anuruddh | f | | 2060 | SRI | 0.50 | 1 | 0.34 | 20 | 6.80 | | | Naushad, Thalaal | | | 1461 | SRI | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Nanayakkara, J A K Saranath | | | 1966 | SRI | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Kodithuwakku, Himsara | | | 1502 | SRI | 0.50 | 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) | | | | 8th Kandy Open International Rating Chess Championship 2017 | Kandy | SRI | 2017-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1563 | 1779 | 7.50 | 10 | 0.19 | 20 | 3.80 | |
| | Perera, Udari Dilrukshi | | | 1379 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Wijethilake, D N | | | 1379 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Fernando, M Tharusha Randima | | | 1428 | SRI | 0.00 | 1 | -0.89 | 20 | -17.80 | | | Kulathilake, S M M P | | | 1379 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Ushan, Lochana | | | 1379 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gunarathna, D A Viraj Darshana | | | 1467 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Abhimanyu, Iraja | | | 1569 | SRI | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Jayawardana, Lasal | | | 1669 | SRI | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Kulasekara, D M T Kashyapa | | | 1925 | SRI | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Alahakoon, Isuru | | | 2059 | SRI | 0.00 | 1 | -0.16 | 20 | -3.20 | | | * 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) | | |
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