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Rapid:
Individual Calculations December 2018 |
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| Samarakoon, Vivash Ransara Total change: -2.40 | |   |
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| Sri Lanka National Youth Rapid Championship 2018 - Under 10 Open | Colombo | SRI | 2018-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1153 | 1176 | 2.00 | 4 | -0.12 | 20 | -2.40 | |
|  Waduge, Thathika | | | 1034 | SRI | 1.00 | 1 | 0.31 | 20 | 6.20 | |  Weerathungalage, W D Malisha Sasv | | | 1101 | SRI | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Basnayake, B M Thesandu Aken | | | 1240 | SRI | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Alwis, B H A Rasidu | | | 1236 | SRI | 0.00 | 1 | -0.42 | 20 | -8.40 | |
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) | | |
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