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Rapid:
Individual Calculations February 2018 |
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| Ponnamperuma, Weraka Vasath Total change: 0.40 | |   |
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| Sri Lanka National Youth Rapid Chess Championship 2017 Under - 12 years | Colombo | SRI | 2018-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1150 | 1084 | 2.50 | 6 | 0.02 | 20 | 0.40 | |
|  Sandaruwan, M G Ravindu | | | 1294 | SRI | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Wijerathne, L M S D | | | 1161 | SRI | 1.00 | 1 | 0.61 | 20 | 12.20 | |  Basnayake, Kaushal Chaturanga | | | 1196 | SRI | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Samaranayaka, M L G | | | 1166 | SRI | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Edirisinghe, Savindu Ransiha | | | 1025 | SRI | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Ranasinghe, Thinuga Devanjith | | | 1057 | SRI | 1.00 | 1 | 0.46 | 20 | 9.20 | |
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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