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Rapid:
Individual Calculations May 2019 |
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| Herath, H M J R Total change: -28.40 | |   |
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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 |
| 1119 | 1219 | 1.00 | 4 | -1.55 | 20 | -31.00 | |
|  Wijerathne, K G D Yonal | | | 1116 | SRI | 0.50 | 1 | -0.14 | 20 | -2.80 | |  Kulathilake, S M M P | | | 1177 | SRI | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Insara, S D Nadev | | | 1088 | SRI | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Thennakoon, Disara | | | 1095 | SRI | 0.00 | 1 | -0.67 | 20 | -13.40 | |
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 |
| 1152 | 1219 | 2.50 | 4 | 0.13 | 20 | 2.60 | |
| | Thotagamuwa, Janindu Udantha | | | 1065 | SRI | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Dharmasena, W M S S B | | | 1094 | SRI | 0.50 | 1 | -0.17 | 20 | -3.40 | | | Yu, Zili | | | 1330 | CHN | 1.00 | 1 | 0.65 | 20 | 13.00 | | | Dineth, S A Induwara | | | 1119 | SRI | 0.50 | 1 | -0.14 | 20 | -2.80 | |
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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