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Individual Calculations January 2019 |
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| Rangajeewa, M G Sachithra Sandar Total change: 13.60 | |   |
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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 |
| 1502 | 1246 | 0.00 | 3 | -0.67 | 40 | -26.80 | |
|  Silva, Kevin Ranidu | c | | 1646 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Kodithuwakku, Himsara | | | 1601 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Bandara, W M Malitha | | | 1260 | SRI | 0.00 | 1 | -0.48 | 40 | -19.20 | | | * 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 |
| 1182 | 1246 | 4.50 | 6 | 1.01 | 40 | 40.40 | |
| | Senevirathne, G R Lakmin | | | 1010 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Jayasinghe, Ranudhi | | | 1008 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Deshapriya, A M M Nandula | | | 1040 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Perera, D Upashan L | | | 1486 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Ranganath, Tharuli Vihasna | | | 1058 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Chandula, E D S | | | 1492 | SRI | 0.50 | 1 | 0.31 | 40 | 12.40 | |
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) | | |
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