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Blitz:
Individual Calculations May 2019 |
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| Waduge, Thathika Total change: 5.60 | |   |
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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 |
| 1104 | 1046 | 1.00 | 4 | -0.68 | 20 | -13.60 | |
|  Sathmina, S L Lalindu | | | 1187 | SRI | 0.00 | 1 | -0.31 | 20 | -6.20 | |  Rathnayaka, Minaga Yethmin | | | 1126 | SRI | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Vithanage, P N | | | 1015 | SRI | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Insara, S D Nadev | | | 1089 | SRI | 0.00 | 1 | -0.44 | 20 | -8.80 | |
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 |
| 1289 | 1046 | 2.50 | 7 | 0.96 | 20 | 19.20 | |
| | Wickramaarachchi, Nayanaka Insara | | | 1343 | SRI | 0.50 | 1 | 0.35 | 20 | 7.00 | | | Wijerathne, K G D Yonal | | | 1446 * | SRI | 1.00 | 1 | 0.92 | 20 | 18.40 | | | Abdullayev, Ayat | | | 1446 * | KAZ | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Thennakoon, Disara | | | 1115 | SRI | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Yu, Zili | | | 1311 | CHN | 1.00 | 1 | 0.82 | 20 | 16.40 | | | Saravanabaavan, Brijeash | | | 1261 | SRI | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Gunaratne, Chivath Dathesha | | | 1101 | SRI | 0.00 | 1 | -0.42 | 20 | -8.40 | | | * 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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