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Individual Calculations September 2019 |
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| Gunarathne, Senila Amaneth Total change: 11.34 | |   |
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| 4th SSC Open International Rating chess Championship 2019 | Matara | SRI | 2019-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1296 | 1415 | 4.00 | 7 | -0.51 | 21 | -10.71 | |
|  Methsiluni, Nimethma U J | | | 1109 | SRI | 1.00 | 1 | 0.14 | 21 | 2.94 | |  Peiris, T G M | | | 1815 * | SRI | 0.00 | 1 | -0.08 | 21 | -1.68 | | | Denipitiya, H D Gihara Sewmi | | | 1076 | SRI | 0.00 | 1 | -0.88 | 21 | -18.48 | | | Masakorala, Lithum Chthruka | | | 1027 | SRI | 1.00 | 1 | 0.09 | 21 | 1.89 | | | Herath, K Praveen Basara | | | 1114 | SRI | 1.00 | 1 | 0.15 | 21 | 3.15 | | | Kumara, C M S Praneeth | | | 1815 * | SRI | 0.00 | 1 | -0.08 | 21 | -1.68 | | | Thanujana, D M Sinaly | | | 1119 | SRI | 1.00 | 1 | 0.15 | 21 | 3.15 | | | * 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 open International Rating Chess Championship 2019 | Anuradhapura | SRI | 2019-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1263 | 1415 | 5.00 | 8 | -0.38 | 21 | -7.98 | |
| | Jayakody, J A D U | | | 1039 | SRI | 1.00 | 1 | 0.09 | 21 | 1.89 | | | Kolomwe, Willian | | | 1753 | ZAM | 0.00 | 1 | -0.12 | 21 | -2.52 | | | Wimalasiri, Y G C Kavindi | | | 1097 | SRI | 0.50 | 1 | -0.37 | 21 | -7.77 | | | Herath, H M D L | | | 1033 | SRI | 1.00 | 1 | 0.09 | 21 | 1.89 | | | Ranasinghe, R A Senuka Buddhika | | | 1288 | SRI | 0.50 | 1 | -0.17 | 21 | -3.57 | | | Perera, D G D S Vidarsha | | | 1181 | SRI | 0.50 | 1 | -0.29 | 21 | -6.09 | | | Gunawardana, K A D Minidu Methsar | | | 1086 | SRI | 1.00 | 1 | 0.12 | 21 | 2.52 | | | Kalubowila, K H N | | | 1629 | SRI | 0.50 | 1 | 0.27 | 21 | 5.67 | |
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 |
| 1461 | 1415 | 5.50 | 8 | 1.96 | 21 | 41.16 | |
| | Kularathne, K A Praveen | | | 1128 | SRI | 1.00 | 1 | 0.16 | 21 | 3.36 | | | Kolomwe, Willian | | | 1753 | ZAM | 1.00 | 1 | 0.88 | 21 | 18.48 | | | Fernando, J S Aloka | | | 1717 | SRI | 0.00 | 1 | -0.15 | 21 | -3.15 | | | Wijeratne, Rehan Nawantha | | | 1153 | SRI | 0.50 | 1 | -0.32 | 21 | -6.72 | | | Liyanage, R L C Sasmitha | | | 1141 | SRI | 1.00 | 1 | 0.17 | 21 | 3.57 | | | Jayaweera, K P C D B | | | 1599 | SRI | 0.50 | 1 | 0.24 | 21 | 5.04 | | | Samaraweera, Dimuth Indeepa | | | 1605 | SRI | 1.00 | 1 | 0.75 | 21 | 15.75 | | | Suranjith, K W A | | | 1592 | SRI | 0.50 | 1 | 0.23 | 21 | 4.83 | |
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 |
| 1322 | 1415 | 5.00 | 9 | -0.53 | 21 | -11.13 | |
| | Wickramarathne, D Jehan Randil | | | 1101 | SRI | 0.50 | 1 | -0.36 | 21 | -7.56 | | | Hafeel, Q M | | | 1070 | SRI | 0.50 | 1 | -0.39 | 21 | -8.19 | | | Divyanjalie, W S M | | | 1109 | SRI | 1.00 | 1 | 0.14 | 21 | 2.94 | | | Wijesinghe, Yonal | | | 1156 | SRI | 1.00 | 1 | 0.18 | 21 | 3.78 | | | Pavalachandran, Ashvini | | | 1650 | SRI | 0.00 | 1 | -0.21 | 21 | -4.41 | | | Samarakoon, S M Udani Adithya | | | 1141 | SRI | 1.00 | 1 | 0.17 | 21 | 3.57 | | | Samarasinghe, Isuru Udana | | | 1682 | SRI | 0.50 | 1 | 0.32 | 21 | 6.72 | | | Dissanayake, R K T | | | 1815 * | SRI | 0.00 | 1 | -0.08 | 21 | -1.68 | | | Gangewatte, Sithila Mithashana | | | 1176 | SRI | 0.50 | 1 | -0.30 | 21 | -6.30 | | | * 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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