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Individual Calculations February 2020 |
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| Mannaperuma, M M Pamudu Thamara Total change: 15.60 | |   |
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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 |
| 1061 | 1216 | 2.50 | 3 | 0.39 | 40 | 15.60 | |
|  Vithanage, P N | | | 1006 | SRI | 1.00 | 1 | 0.23 | 40 | 9.20 | |  Thalgaswatta, Adeesha Denuwan | | | 1097 | SRI | 0.50 | 1 | -0.16 | 40 | -6.40 | | | Shanuka, R K Chamath | | | 1080 | SRI | 1.00 | 1 | 0.32 | 40 | 12.80 | |
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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