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Individual Calculations January 2018 |
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| Weerathungalage, W D Malisha Sas Total change: 26.00 | |   |
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| 9th Ethugalpura International Rating Chess Championship 2017 | Kurunegala | SRI | 2017-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1244 | 1001 | 2.50 | 7 | 1.01 | 40 | 40.40 | |
|  Kulathilake, S M M P | | | 1390 | SRI | 1.00 | 1 | 0.91 | 40 | 36.40 | |  Mapa, M M W H | | | 1290 | SRI | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Marapana, Sanupa Bimsath | | | 1267 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Abeysinghe, A M Srimali P | | | 1128 | SRI | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Thilakarathne, H M G G | | | 1329 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Pelagewatta, H Prabashwara | | | 1145 | SRI | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Dissanayake, D M C M | | | 1161 | 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) | | | | 3rd Kolonnawa International Rating Chess Championship 2017 | Colombo | SRI | 2017-12-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1272 | 1001 | 0.00 | 2 | -0.36 | 40 | -14.40 | |
| | Gamage, Randula Navodya | | | 1350 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Amarasinghe, Kavithma Gayuni | | | 1193 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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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