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Individual Calculations January 2020 |
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| Gamarathne, Oneth Total change: -50.40 | |   |
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| The Kolonnawa Chess Classic International Rating Tournament 2019 | Colombo | SRI | 2019-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1190 | 1409 | 4.00 | 7 | -1.26 | 40 | -50.40 | |
|  Ranasinghe, R A Manul Lakvindu | | | 1024 | SRI | 0.50 | 1 | -0.41 | 40 | -16.40 | |  Withana, Sanul Nethmina | | | 1116 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Uyanwaththa, W M S B | | | 1176 | SRI | 0.50 | 1 | -0.29 | 40 | -11.60 | | | Tennakoon, T M Sithil C | | | 1174 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Herath, H M J R | | | 1214 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Tharushi, T H D Niklesha | | wc | 1593 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Samarakoon, Vivash Ransara | | | 1030 | SRI | 0.00 | 1 | -0.91 | 40 | -36.40 | |
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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