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Individual Calculations February 2020 |
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| Vithanage, P N Total change: 16.80 | |   |
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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 |
| 1189 | 1006 | 2.00 | 6 | 0.42 | 40 | 16.80 | |
|  Punchihewa, Hasith Thevindu | | | 1244 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Karunaratne, Rahel Chaanakya | | | 1267 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | |  Bandara, K M T D Anjuka | | | 1143 | SRI | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Mannaperuma, M M Pamudu Thamara | | | 1216 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Dinayana, Thinuga | | | 1129 | SRI | 0.50 | 1 | 0.17 | 40 | 6.80 | | | De Alwis, K K Y M | | | 1137 | SRI | 0.50 | 1 | 0.18 | 40 | 7.20 | |
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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