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Individual Calculations January 2020 |
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| Gunawardana, Indrakeela K D Udde Total change: -23.20 | |   |
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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 |
| 1379 | 1225 | 1.00 | 5 | -0.58 | 40 | -23.20 | |
|  Samarakoon, Hevidu | | | 1550 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | |  Morais, Sanithu Leander Pamudith | | | 1421 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Premanath, Prasansa | | | 1390 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Weragoda, W A S Niwanthaka | | | 1044 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Akasha, J P Vihanga | | | 1490 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | |
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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