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Individual Calculations February 2020 |
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| Kithmal, P M Kalindhu Total change: 36.40 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 15 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1403 | 1436 | 3.50 | 5 | 0.78 | 40 | 31.20 | |
|  Palihakkara, Nihindu Bimsath | | | 1145 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Silva, Kevin Ranidu | c | | 1798 | SRI | 0.50 | 1 | 0.40 | 40 | 16.00 | |  Dharmakeerthi, G K Pasindu Nims | | | 1666 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Deshapriya, A M M Nandula | | | 1117 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Liyanage, Manith Dulwan | | | 1291 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | |
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) | | | | Battle of the Kings - All Island Schools Team Chess Championship 2020 | Colombo | SRI | 2020-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1282 | 1524 | 2.50 | 3 | 0.13 | 40 | 5.20 | |
| | Dalawella, Sanuka Chandul | | | 1362 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Amarathunga, W A S V | | | 1182 | SRI | 0.50 | 1 | -0.38 | 40 | -15.20 | | | Peththanayake, Naduni Rashmitha | | | 1301 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | |
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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