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Individual Calculations January 2019 |
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| Arachchi, C S A Total change: 4.40 | |   |
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| Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1308 | 1389 | 4.50 | 7 | 0.22 | 20 | 4.40 | |
|  Galagedara, Thehara T Vakeesan | | | 1020 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Pathirana, Luchitha Disal | | | 1141 | SRI | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Thanujana, D M Sinaly | | | 1145 | SRI | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Rathnayake, M A A H | | | 1789 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Nagasinghe, Thevindu Thinal | | | 1184 | SRI | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Perera, G Poorna Udara Dhananjay | | | 1091 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Liyanage, Ranindu Dilshan | c | | 1789 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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) | | |
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