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Individual Calculations September 2019 |
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| Gamarathne, Oneth Total change: 12.40 | |   |
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| 5th Negombo International chess Festival 2019 | Negombo | SRI | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1435 | 1403 | 4.00 | 7 | 0.76 | 40 | 30.40 | |
|  Namarathna, H K T I | | | 1111 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | |  Siriwardana, V N W | | | 1696 | SRI | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Sudharshana, W Y Nimesh | | | 1632 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Jayasinghe, Keeth M S | | | 1803 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Wimalagunasekara, D Nithwara | | | 1081 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Hettiarachchi, D W K | | | 1125 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Jayaweera, K P C D B | | | 1599 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | * 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) | | | | 9th Kandy Open International Chess Festival 2019 | Kandy | SRI | 2019-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1277 | 1403 | 5.50 | 9 | -0.45 | 40 | -18.00 | |
| | Kiuldeniya, K H M C Isurindi | | | 1083 | SRI | 0.50 | 1 | -0.37 | 40 | -14.80 | | | Rupasinghe, M H Gayumika | | | 1103 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Deegoda, S R | | | 1803 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Dissanayake, D M S L | | | 1153 | SRI | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Pathirage, Yukitha Kenula Perera | | | 1099 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Denagamuwa, Chamuditha D V S | | | 1140 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Bandara, A J K D | | | 1721 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Weerawardana, Oneli Vihanga | | | 1179 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Herath, H M J R | | | 1211 | SRI | 0.50 | 1 | -0.25 | 40 | -10.00 | | | * 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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