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Individual Calculations January 2019 |
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| Cooray, T C M Dulein Kavindu Total change: 132.80 | |   |
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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 |
| 1627 | 1379 | 2.00 | 4 | 1.14 | 40 | 45.60 | |
|  Pelagewatta , T P | | | 1427 | SRI | 0.50 | 1 | 0.07 | 40 | 2.80 | |  Fonseka, C K D | | | 1701 | SRI | 1.00 | 1 | 0.87 | 40 | 34.80 | | | Jayasundara, P K U M | c | | 1779 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Ranasinghe, P M | | | 1602 | SRI | 0.50 | 1 | 0.28 | 40 | 11.20 | | | * 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) | | | | Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1443 | 1379 | 6.00 | 9 | 2.18 | 40 | 87.20 | |
| | Samarakoon, Rashmi Vihara | | | 1018 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Wickramarathne, P W G Gaveshi | | | 1140 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Sandaruwan, M G Ravindu | | | 1487 | SRI | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Pathum, G Saranga | | | 1652 | SRI | 1.00 | 1 | 0.83 | 40 | 33.20 | | | Randil, Lakshitha | | | 1779 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Chandula, E D S | | | 1492 | SRI | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Jayaweera, Y | | | 1704 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Dahanayake, Isara Banidu | c | | 1575 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Perera, G Thinuka Geethula | | | 1144 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | * 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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