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Individual Calculations September 2017 |
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| Gunarathna, D A Viraj Darshana Total change: -13.00 | |   |
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| 4th Sri Lanka National Amateur International Rating Chess Championships 2017 | Colombo | SRI | 2017-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1360 | 1467 | 4.50 | 8 | -0.40 | 20 | -8.00 | |
|  Wijayawardana, Dineth Chanal | | | 1067 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Kumara, C M S Praneeth | | | 1775 | SRI | 0.50 | 1 | 0.36 | 20 | 7.20 | | | Madushan, K D Tharusha | | | 1756 | SRI | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Rajapaksha, Isum Asitha | | | 1138 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Jayaweera, Y | | | 1738 | SRI | 0.50 | 1 | 0.33 | 20 | 6.60 | | | Saravanabaavan, Brijeash | | | 1117 | SRI | 0.00 | 1 | -0.89 | 20 | -17.80 | | | Dineth, S A Induwara | | | 1147 | SRI | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Pinnagoda, P G Anuhas Suradunu | | | 1143 | 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) | | | | Sri Lanka Open International Rating Chess Championship 2017 | Kurunegala | SRI | 2017-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1326 | 1467 | 5.00 | 8 | -0.25 | 20 | -5.00 | |
| | Kiriella, K G T S D | | | 1180 | SRI | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Tennakoon, I L K | | | 1671 | SRI | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Premanath, Prasansa | | | 1186 | SRI | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Denuwan, G S | | | 1067 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Hansima, Charitha Kumari | | | 1160 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Wijesinghe, W M M N | | | 1220 | SRI | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Subasinghe, D D C H | | | 1576 | SRI | 0.50 | 1 | 0.15 | 20 | 3.00 | | | Madushanka, B W M Malith | | | 1545 | SRI | 0.50 | 1 | 0.11 | 20 | 2.20 | | | * 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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