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Individual Calculations February 2020 |
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| Punchihewa, Hasith Thevindu Total change: 9.60 | |   |
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| Sri Lanka National Youth Chess Championship 2019 - Under 13 years | Colombo | SRI | 2019-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1205 | 1244 | 3.00 | 5 | 0.24 | 40 | 9.60 | |
|  Vithanage, P N | | | 1006 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Ponnamperuma, Weraka Vasath | | | 1491 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | |  Fernando, H Gayaru Dulsara | | | 1087 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Senevirathne, S D B K | | | 1357 | SRI | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Peiris, P Gimshan Sathsara | | | 1085 | SRI | 1.00 | 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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