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Rapid:
Individual Calculations December 2018 |
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| Kulathilake, S M M P Total change: 8.40 | |   |
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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 |
| 1155 | 1169 | 2.50 | 4 | 0.42 | 20 | 8.40 | |
|  Alwis, B H A Rasidu | | | 1236 | SRI | 0.50 | 1 | 0.09 | 20 | 1.80 | |  Insara, S D Nadev | | | 1095 | SRI | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Vikasitha, Y M T Dinoj | | | 1202 | SRI | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Gamage, A G R Ruwanmith | | | 1085 | SRI | 1.00 | 1 | 0.38 | 20 | 7.60 | |
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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