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Individual Calculations September 2019 |
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| Kolomwe, Willian Total change: -31.40 | |   |
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| Sri Lanka open International Rating Chess Championship 2019 | Anuradhapura | SRI | 2019-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1634 | 1753 | 5.00 | 8 | -0.09 | 20 | -1.80 | |
|  Punchihewa, Hasith Thevindu | | | 1353 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Gunarathne, Senila Amaneth | c | | 1415 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Alahakoon, Isuru | | | 2138 | SRI | 1.00 | 1 | 0.91 | 20 | 18.20 | | | Kavinda, Akila | | | 2024 | SRI | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Kalubowila, K H N | | | 1629 | SRI | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Obeysekara, T A Sajith Chathuran | | | 1666 | SRI | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Silva, M K Theshan Pasandul | | | 1353 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Rukmal, G Thasitha | | | 1492 | SRI | 0.50 | 1 | -0.32 | 20 | -6.40 | | | * 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) | | | | 5th Negombo International chess Festival 2019 | Negombo | SRI | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1425 | 1753 | 6.50 | 9 | -1.30 | 20 | -26.00 | |
| | Abhaywardhana, Nirma Pahasara | | | 1353 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Katugampola, A H | | | 1353 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gunarathne, Senila Amaneth | c | | 1415 | SRI | 0.00 | 1 | -0.88 | 20 | -17.60 | | | Himsara, W A Janidu | | | 1353 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Wijesekara, Bihandu Sanhinda | | | 1393 | SRI | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Ekanayake, Hasindu Chiranga | | | 1376 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Jayathilaka, R R C L | | | 1543 | SRI | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Dewanthi, A H Chamika | | | 1479 | SRI | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Siriwardena, R I Pasan Bhanuka | | | 1563 | SRI | 0.50 | 1 | -0.25 | 20 | -5.00 | | | * 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) | | | | 9th Kandy Open International Chess Festival 2019 | Kandy | SRI | 2019-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1502 | 1753 | 7.50 | 10 | -0.18 | 20 | -3.60 | |
| | Manuwarana, Amila | | | 1353 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Sandanayake, Dehansa Nisanduni | | | 1353 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Jayaweera Gamage, Disindu Hansad | | | 1353 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Arthigan, J | | | 1353 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Dissanayake, R K T | | | 2005 | SRI | 0.00 | 1 | -0.19 | 20 | -3.80 | | | De Silva, S S Gayashan | | | 1462 | SRI | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Gamage, Liviru Hansana | | | 1353 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Wiratunga, Jenith | | | 1458 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Theekshana, H G Denuwan | | | 1878 | SRI | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Arunakirinathan, Aruthran | | | 1448 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | * 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) | | |
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