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Individual Calculations May 2017 |
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| Samaraweera, Dimuth Indeepa Total change: 40.00 | |   |
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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 |
| 1267 | 1170 | 3.00 | 6 | 0.54 | 40 | 21.60 | |
|  Ellawela, Suveen | | | 1570 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Jayaweera Gamage, Disindu Hansad | | | 1028 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Kondagoda, P. M. B. | | | 1570 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Saravanabaavan, Yughatharoon | | | 1081 | SRI | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Mathes Arachchi , Bhanila M | | | 1330 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Rashmitha, G Malshan Chamika | | | 1024 | SRI | 1.00 | 1 | 0.30 | 40 | 12.00 | | | * 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) | | | | Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1525 | 1170 | 1.50 | 4 | 1.06 | 40 | 42.40 | |
| | Rathnayake, M A A H | | | 1570 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Rathnayake, Jeewanthi | | | 1497 | SRI | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Gunaratne, Ayeshmanthi | | | 1461 | SRI | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Galagamaarachchi, A S | | | 1570 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | * 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) | | | | National Youth Chess Championship 2017 - Under 12 Boys | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1157 | 1170 | 2.00 | 5 | -0.60 | 40 | -24.00 | |
| | De Silva, L M S T | | | 1347 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Gamage, Mesanda | | | 1063 | SRI | 0.00 | 1 | -0.65 | 40 | -26.00 | | | Rodrigo, I Vihanga Mithsara | | | 1041 | SRI | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Wijesooriya, Senithu Minath | | | 1038 | SRI | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Kithmal, P M Kalindhu | | | 1295 | SRI | 0.00 | 1 | -0.33 | 40 | -13.20 | |
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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