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Individual Calculations January 2019 |
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| Ponnamperuma, Weraka Vasath Total change: -24.80 | |   |
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| Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1247 | 1390 | 5.50 | 9 | -0.62 | 40 | -24.80 | |
|  Bandara, H M Risindu Methsara | | | 1019 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | |  Perera, G Thinuka Geethula | | | 1144 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Kodithuwakku, Lisara | | | 1681 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Sanuda, Rehan | | | 1180 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Dissanayake, Sasandu Upeksha | | | 1208 | SRI | 0.50 | 1 | -0.24 | 40 | -9.60 | | | Welangalla, Nenitha | | | 1245 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Pallie, Ehsha Mishela | | wc | 1327 | SRI | 0.00 | 1 | -0.59 | 40 | -23.60 | | | Senevirathne, A M L M | | | 1274 | SRI | 0.50 | 1 | -0.16 | 40 | -6.40 | | | Asuramanna, Mevindu Hansana | | | 1143 | 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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