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Rapid:
Individual Calculations December 2018 |
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| Weerathungalage, W D Malisha Sasv Total change: 1.60 | |   |
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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 |
| 1120 | 1101 | 1.50 | 3 | 0.08 | 20 | 1.60 | |
|  Samarakoon, Vivash Ransara | | | 1176 | SRI | 0.00 | 1 | -0.40 | 20 | -8.00 | |  Tennakoon, T M Rithil Nethmitha | | | 1149 | SRI | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Waduge, Thathika | | | 1034 | SRI | 1.00 | 1 | 0.41 | 20 | 8.20 | |
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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