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Individual Calculations January 2018 |
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| Amarasinghe, A A C B Total change: -17.20 | |   |
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| Sri Lanka Inter Club Super League Chess Championship 2017 | Colombo | SRI | 2017-12-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1899 | 1945 | 2.00 | 5 | -0.79 | 20 | -15.80 | |
|  De Silva, Osheen | | | 1863 | SRI | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Prabajith, Asela | | | 1749 | SRI | 1.00 | 1 | 0.25 | 20 | 5.00 | |  Koggala, W S Vidura K | | | 1988 | SRI | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Priyankara, Chamil | | | 2009 | SRI | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Munasinghe, Thisura | | | 1885 | SRI | 0.50 | 1 | -0.08 | 20 | -1.60 | |
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) | | | | 3rd Kolonnawa International Rating Chess Championship 2017 | Colombo | SRI | 2017-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1699 | 1945 | 6.00 | 8 | -0.07 | 20 | -1.40 | |
| | Yasanjith, M H Dinura | | | 1545 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Rangajeewa, M G Sachithra Sandar | | | 1545 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Vidyarathna, Anjitha | | | 1545 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kodithuwakku, Lisara | | | 1626 | SRI | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Weerawardane, Romesh | m | | 2111 | SRI | 1.00 | 1 | 0.72 | 20 | 14.40 | | | Priyankara, Chamil | | | 2009 | SRI | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Gamage, Randula Navodya | | | 1545 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ranasinghe, S D | | wm | 1668 | SRI | 0.00 | 1 | -0.83 | 20 | -16.60 | | | * 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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