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Individual Calculations January 2018 |
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| Perera, D G D S Vidarsha Total change: 5.60 | |   |
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| 3rd Kolonnawa International Rating Chess Championship 2017 | Colombo | SRI | 2017-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1345 | 1150 | 1.50 | 5 | 0.14 | 40 | 5.60 | |
|  Saravanabaavan, Brijeash | | | 1358 | SRI | 1.00 | 1 | 0.77 | 40 | 30.80 | |  Samarakoon, Hevidu | | | 1499 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Ekanayake, Hasindu Chiranga | | | 1370 | SRI | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Tourkine, N | | | 1461 | FRA | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Adimali, Uvindu Nipunitha | | | 1035 | SRI | 0.00 | 1 | -0.66 | 40 | -26.40 | |
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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