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Individual Calculations September 2019 |
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| Sanjaya, W M Lankanath Total change: -3.00 | |   |
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| 5th Negombo International chess Festival 2019 | Negombo | SRI | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1358 | 1266 | 2.50 | 5 | 0.48 | 20 | 9.60 | |
|  Costha, M Yomali Muthumini | | | 1036 | SRI | 1.00 | 1 | 0.21 | 20 | 4.20 | |  Jayaweera, K P C D B | | | 1599 | SRI | 0.50 | 1 | 0.38 | 20 | 7.60 | | | Tribuwan, T W Helik | | | 1614 | SRI | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Edirisinghe, Shanuka Dulnath | | | 1086 | SRI | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Akasha, J P Vihanga | | | 1454 | SRI | 0.00 | 1 | -0.26 | 20 | -5.20 | |
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 |
| 1268 | 1266 | 3.00 | 7 | -0.63 | 20 | -12.60 | |
| | Mitrabha, Guha | f | | 1666 * | IND | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Gunasinghe, Isuru Sathsara | | | 1015 | SRI | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Pavalachandran, Ashvini | | | 1650 | SRI | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Liyanage, R L Mihini B | | wc | 1016 | SRI | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Wijerathna, Mayon Thinoth | | | 1018 | SRI | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Kahawatta, Senith Thewmina | | | 1028 | SRI | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Athukorala, A T N | | | 1481 | SRI | 0.00 | 1 | -0.23 | 20 | -4.60 | | | * 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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