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Individual Calculations May 2017 |
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| Perera, Thilina Total change: -21.20 | |   |
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| Sri Lanka Major Division Championship 2017 - Colombo | Colombo | SRI | 2017-03-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1286 | 1498 | 3.50 | 6 | -0.96 | 20 | -19.20 | |
|  Basnayake, B M Thesandu Aken | | | 1103 | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Withanage, G D N | | | 1167 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Jayawardana, T M A | | | 1233 | SRI | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Dharmasena, K Kavinu Ransara | | | 1256 | SRI | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Nanayakkara, J A G Ganganath | | | 1696 | SRI | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Shasikumar, Nagarajah | | | 1259 | SRI | 0.00 | 1 | -0.80 | 20 | -16.00 | |
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) | | | | Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1254 | 1498 | 4.50 | 6 | -0.10 | 20 | -2.00 | |
| | Wijesinghe , Ramika Risiwara | | | 1098 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gamarathne, Oneth | | | 1186 | SRI | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Hansima, Charitha Kumari | | | 1116 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Egodage, Thilina | | | 1773 | SRI | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Karunaratne, Rahel Chaanakya | | | 1171 | SRI | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Dalawella, Sanuka Chandul | | | 1177 | SRI | 1.00 | 1 | 0.13 | 20 | 2.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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