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Individual Calculations January 2020 |
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| Arthigan, J Total change: -67.20 | |   |
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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 |
| 1151 | 1389 | 4.50 | 8 | -1.68 | 40 | -67.20 | |
|  Didulatha, D M I | | | 1019 | SRI | 0.50 | 1 | -0.40 | 40 | -16.00 | |  Wijewickrama, Ayod Induwara | | | 1010 | SRI | 0.00 | 1 | -0.91 | 40 | -36.40 | | | Jayathilake, Hiruka Dulneth | | | 1027 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Anattapathirana, Pamith Kithmin | | | 1150 | SRI | 0.00 | 1 | -0.80 | 40 | -32.00 | | | Fernando, Thimansa Amashi | | | 1059 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Hettiarachchi, Jeewantha Aloka | | | 1156 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Sandanayake, Dehansa Nisanduni | | | 1234 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Samarakoon, Hevidu | | | 1550 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | |
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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