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Rapid:
Individual Calculations May 2019 |
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| Insara, S D Nadev Total change: -23.40 | |   |
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| Sri Lanka National Youth Rapid Chess Championship 2019 - Under 12 Open | Colombo | SRI | 2019-03-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1181 | 1088 | 1.00 | 4 | -0.49 | 20 | -9.80 | |
|  Perera, G Thinuka Geethula | | | 1175 | SRI | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Wickramaarachchi, Nayanaka Insara | | | 1130 | SRI | 0.50 | 1 | 0.06 | 20 | 1.20 | |  Herath, H M J R | | | 1219 | SRI | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Peiris, P Gimshan Sathsara | | | 1198 | SRI | 0.00 | 1 | -0.35 | 20 | -7.00 | |
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) | | | | Asian Youth Rapid Chess Championship 2019 - Under 12 Open | Colombo | SRI | 2019-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1205 | 1088 | 1.50 | 6 | -0.68 | 20 | -13.60 | |
| | He, Zhi Yu (paul) | | | 1488 * | NZL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Kulathilake, S M M P | | | 1177 | SRI | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Thotagamuwa, Janindu Udantha | | | 1065 | SRI | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Vidharshana, T H Oshid Warshaka | | | 1012 | SRI | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Peiris, P Gimshan Sathsara | | | 1198 | SRI | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Alwis, B H A Rasidu | | | 1288 | SRI | 0.00 | 1 | -0.24 | 20 | -4.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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