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Individual Calculations February 2019 |
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| Withanarachchi, W A P I Total change: 49.20 | |   |
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| Sri Lanka National Youth Chess Championship 2018 Under - 13 years | Colombo | SRI | 2018-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1277 | 1492 | 6.50 | 7 | 1.23 | 40 | 49.20 | |
|  Kavisekara, Manula Heshan | | | 1110 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | |  Samaranayaka, M L G | | | 1200 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Gamarathne, Oneth | | | 1256 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Wijerathne, L M S D | | | 1255 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Basnayake, Kaushal Chaturanga | | | 1154 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Dahanayake, Isara Banidu | c | | 1575 | SRI | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Ponnamperuma, Weraka Vasath | | | 1390 | SRI | 1.00 | 1 | 0.36 | 40 | 14.40 | |
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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