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Individual Calculations January 2020 |
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| Dissanayake, D M Madushan Sameer Total change: 11.00 | |   |
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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 |
| 1491 | 1234 | 1.50 | 5 | 0.55 | 20 | 11.00 | |
|  Gamage, Ovin Vidmal | | | 1582 | SRI | 1.00 | 1 | 0.89 | 20 | 17.80 | |  Sathmina, S L Lalindu | | | 1518 | SRI | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Yasanga, W C M Kasun | | | 1459 | SRI | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Akash, P A Oditha | | | 1430 | SRI | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Sanudula, K M Dahamdi | | wc | 1464 | SRI | 0.00 | 1 | -0.21 | 20 | -4.20 | |
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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