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Individual Calculations January 2019 |
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| Vithanawasam, Oneli Total change: 57.20 | |   |
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| Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1289 | 1009 | 2.50 | 6 | 1.43 | 40 | 57.20 | |
|  Induwara, T H D Thisarindu | | | 1334 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Gayathmie, U G K | | | 1409 * | SRI | 1.00 | 1 | 0.92 | 40 | 36.80 | |  Perera, G Thinuka Geethula | | | 1144 | SRI | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Perera, Isara Ranmeth | | | 1229 | SRI | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Rabel, Chinthaka | | | 1409 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Bandara, K G J C | | | 1209 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | * 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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