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Individual Calculations September 2019 |
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| Rukmal, G Thasitha Total change: 3.00 | |   |
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| 4th SSC Open International Rating chess Championship 2019 | Matara | SRI | 2019-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1277 | 1492 | 4.50 | 6 | 0.04 | 20 | 0.80 | |
|  Thanujana, D M Sinaly | | | 1119 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Palihakkara, Nihindu Bimsath | | | 1174 | SRI | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Dandeniya, D D L N | | | 1200 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Gamage, A G R Ruwanmith | | | 1153 | SRI | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Dalawella, Sanuka Chandul | | | 1304 | SRI | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Madushan, K D Tharusha | | | 1710 | SRI | 0.50 | 1 | 0.28 | 20 | 5.60 | |
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) | | | | Sri Lanka open International Rating Chess Championship 2019 | Anuradhapura | SRI | 2019-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1350 | 1492 | 4.00 | 6 | 0.11 | 20 | 2.20 | |
| | Namarathna, H K T I | | | 1111 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | De Silva, L M S T | f | | 1892 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Uyanwaththa, W M S B | | | 1119 | SRI | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Sakshiyan, N | | | 1092 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Alwis, Jenuki | | | 1134 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Kolomwe, Willian | | | 1753 | ZAM | 0.50 | 1 | 0.32 | 20 | 6.40 | | | * 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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