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Individual Calculations January 2019 |
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| Karunasena, H G M K Saheli Onaya Total change: 64.00 | |   |
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| Kolonnawa Chess Classic 2018 | Colombo | SRI | 2018-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1218 | 1002 | 3.00 | 6 | 1.60 | 40 | 64.00 | |
|  Perera, Isara Ranmeth | | | 1229 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Bandara, K G J C | | | 1209 | SRI | 1.00 | 1 | 0.77 | 40 | 30.80 | |  Keerthisinghe, K P Akindu Levjith | | | 1172 | SRI | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Maheeshan, Gayan | | | 1375 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Nagasinghe, Thevindu Thinal | | | 1184 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Attanayaka, Tharushi | | | 1138 | SRI | 1.00 | 1 | 0.68 | 40 | 27.20 | |
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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