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Blitz:
Individual Calculations May 2019 |
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| Perera, M S Anuk Total change: -46.20 | |   |
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| Sri Lanka National Youth Blitz Chess Championship 2019 - Under 12 Open | Colombo | SRI | 2019-03-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1095 | 1054 | 1.00 | 4 | -0.78 | 20 | -15.60 | |
|  Galkotuwa, K A R G W S N B I | | | 1042 | SRI | 1.00 | 1 | 0.48 | 20 | 9.60 | |  Gunaratne, Chivath Dathesha | | | 1101 | SRI | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Perera, G Thinuka Geethula | | | 1175 | SRI | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Weerasekara, Dinul Vinsitha | | | 1063 | SRI | 0.00 | 1 | -0.49 | 20 | -9.80 | |
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) | | | | Asian Youth Blitz Chess Championship 2019 - Under 12 Open | Colombo | SRI | 2019-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1228 | 1054 | 0.00 | 5 | -1.53 | 20 | -30.60 | |
| | Wu, Yixing | | | 1414 | CHN | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Sathmina, S L Lalindu | | | 1187 | SRI | 0.00 | 1 | -0.32 | 20 | -6.40 | | | Wijerathne, K G D Yonal | | | 1454 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Ekanayake, E M Sahiru Deeptha | | | 1018 | SRI | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Thotagamuwa, Janindu Udantha | | | 1065 | SRI | 0.00 | 1 | -0.48 | 20 | -9.60 | | | * 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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