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Individual Calculations April 2019 |
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| Gowsalyan, S Total change: 48.40 | |   |
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| Battle of the Kings 2019 | Colombo | SRI | 2019-02-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1250 | 1268 | 1.00 | 3 | -0.55 | 40 | -22.00 | |
|  Herath, H M H C B | | | 1467 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Gunasekara, Randil | | | 1014 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Dalawella, Sanuka Chandul | | | 1268 | SRI | 0.00 | 1 | -0.50 | 40 | -20.00 | |
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) | | | | Sri Lanka National Major Division Chess Championship 2019 - Jaffna | Jaffna | SRI | 2019-03-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1392 | 1268 | 3.50 | 5 | 1.76 | 40 | 70.40 | |
|  Judedorison, G | | | 1377 | SRI | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Selvakumar, Thangarajah | | | 1309 | SRI | 1.00 | 1 | 0.56 | 40 | 22.40 | | | Nirmalarajah, S | | | 1630 | SRI | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Rathnayake, Milinda | | | 1292 | SRI | 1.00 | 1 | 0.53 | 40 | 21.20 | | | Arunakirinathan, Aruthran | | | 1354 | SRI | 0.50 | 1 | 0.12 | 40 | 4.80 | |
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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