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Blitz:
Individual Calculations May 2019 |
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| Perera, G Thinuka Geethula Total change: 19.20 | |   |
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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 |
| 1121 | 1175 | 3.50 | 5 | 0.64 | 20 | 12.80 | |
|  Dineth, S A Induwara | | | 1195 | SRI | 0.00 | 1 | -0.47 | 20 | -9.40 | |  Perera, M S Anuk | | | 1054 | SRI | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Thennakoon, Disara | | | 1115 | SRI | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Gunaratne, Chivath Dathesha | | | 1101 | SRI | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Kulathilake, S M M P | | | 1141 | SRI | 0.50 | 1 | -0.05 | 20 | -1.00 | |
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 Blitz Chess Championship 2019 - Under 12 Open | Colombo | SRI | 2019-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1228 | 1175 | 3.00 | 6 | 0.32 | 20 | 6.40 | |
| | Chen, Kailin | | | 1575 * | CHN | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Vithanage, P N | | | 1015 | SRI | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Kannappan, Thanneermalai | | | 1321 | HKG | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Yu, Zili | | | 1311 | CHN | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Navodya, W A Thathsara | | | 1033 | SRI | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Thennakoon, Disara | | | 1115 | SRI | 0.00 | 1 | -0.58 | 20 | -11.60 | | | * 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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