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Individual Calculations May 2017 |
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| Cooray, T C M Dulein Kavindu Total change: 24.40 | |   |
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| Sri Lanka Major Division Championship 2017 - Colombo | Colombo | SRI | 2017-03-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1127 | 1199 | 2.50 | 7 | -1.78 | 40 | -71.20 | |
|  Lamahewa, C | | | 1599 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Ranasinghe, Ovin | | | 1087 | SRI | 0.00 | 1 | -0.65 | 40 | -26.00 | | | Mahipala, N A Pasindu Sasanka | | | 1017 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Suraweera, M C H Jananath | | | 1054 | SRI | 0.00 | 1 | -0.69 | 40 | -27.60 | | | Jayathilaka, W M Yasas | | | 1025 | SRI | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Weerasooriya, Senith D Jagoda | | | 1092 | SRI | 0.00 | 1 | -0.65 | 40 | -26.00 | | | Peiris, T Shakya Imanjith | | | 1018 | SRI | 0.50 | 1 | -0.24 | 40 | -9.60 | | | * 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) | | | | Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1326 | 1199 | 3.00 | 5 | 1.17 | 40 | 46.80 | |
| | Kumarawadu, C S | | | 1548 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Koggala, W S T N | | | 1573 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Ahamat, Zulaika | | | 1061 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Pathirana, Luchitha Disal | | | 1101 | SRI | 1.00 | 1 | 0.37 | 40 | 14.80 | | | De Silva, L M S T | | | 1347 | SRI | 1.00 | 1 | 0.70 | 40 | 28.00 | |
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) | | | | National Youth Chess Championship 2017 - Under 14 Boys | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1369 | 1199 | 3.00 | 6 | 1.22 | 40 | 48.80 | |
| | Wijesinghe, N L C Dojitha | | | 1498 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Omanthage, D S | | | 1034 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Gamage, Randula Navodya | | | 1441 | SRI | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Dissanayake, Manusha Dinuk | | | 1367 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Gunasekara, Malaka | | | 1342 | SRI | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Vithanage, I A | | | 1530 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | |
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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