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Individual Calculations January 2019 |
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| Manuranga, D Lahiru Total change: -20.60 | |   |
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| Sri Lanka Inter Club B Chess Championship 2018 | Colombo | SRI | 2018-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1659 | 1610 | 3.00 | 4 | 1.25 | 20 | 25.00 | |
|  Silva, Kevin Ranidu | c | | 1757 | SRI | 1.00 | 1 | 0.70 | 20 | 14.00 | |  Mihiranga, K Yasiru | | | 1482 | SRI | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Tennakoon, I L K | | | 1566 | SRI | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Jayawardana, Lasal | | | 1830 | SRI | 0.00 | 1 | -0.22 | 20 | -4.40 | |
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) | | | | Ethugalpura International Rating Chess Championship 2018 | Kurunegala | SRI | 2018-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1227 | 1610 | 5.00 | 8 | -2.28 | 20 | -45.60 | |
| | Wijesinghe, W P M Pasindu | | | 1210 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Karthikeyan, Kiruththikah | | | 1210 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Weerawardana, Oneli Vihanga | | | 1210 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Pinnagoda, P G Anuhas Suradunu | | | 1235 | SRI | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Jayawardana, T M A | | | 1227 | SRI | 0.00 | 1 | -0.91 | 20 | -18.20 | | | Subasinghe, S M T D | | | 1210 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Karunarathne, D D W Gamini | | | 1210 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bentharaarachchi, Vinuga Ometh | | | 1302 | SRI | 0.50 | 1 | -0.36 | 20 | -7.20 | | | * 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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