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Individual Calculations September 2019 |
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| Wettasinha, Vasanta Total change: -27.20 | |   |
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| 26th Abudhabi International Chess Festival(Open) | Abudhabi | UAE | 2019-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1658 | 1583 | 4.00 | 8 | 0.66 | 20 | 13.20 | |
|  Galindo, Joseph | | | 1915 | PHI | 0.00 | 1 | -0.12 | 20 | -2.40 | |  McDonald, Margaret | | | 1273 | FRA | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Allam, Yara | | wc | 1793 | EGY | 1.00 | 1 | 0.77 | 20 | 15.40 | | | Pedarse, Marlon | | | 1969 | PHI | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Ahmed, Fareed | f | | 1975 | UAE | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Khezrian, Nooralzahra | | | 1271 | IRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Morvekar, Kedar | | | 1731 | IND | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Alawadhi, Amenah | | wc | 1340 | KUW | 1.00 | 1 | 0.20 | 20 | 4.00 | |
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) | | | | 5th Negombo International chess Festival 2019 | Negombo | SRI | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1306 | 1583 | 6.00 | 9 | -1.20 | 20 | -24.00 | |
| | Perera, N Dumitha Sandumith | | | 1183 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Panthaka, W J N Malindu | | | 1203 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Wijeratne, Rehan Nawantha | | | 1183 * | SRI | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Kularathne, K A Praveen | | | 1183 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Weerasinghe, W Yasiru | | | 1377 | SRI | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Mihindupriya, Thisitha Bashana | | | 1183 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Thilakaratne, D N Adithya Wijetu | | | 1247 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Wickramasinghe, Minethma Lasandi | | wc | 1384 | SRI | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Jayasinghe, Keeth M S | | | 1809 | SRI | 0.00 | 1 | -0.21 | 20 | -4.20 | | | * 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) | | | | 9th Kandy Open International Chess Festival 2019 | Kandy | SRI | 2019-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1335 | 1583 | 3.00 | 5 | -0.82 | 20 | -16.40 | |
| | Dissanayake, D M S L | | | 1183 * | SRI | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Namarathna, H K T I | | | 1183 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Sandanayake, Dehansa Nisanduni | | | 1207 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Rohana, V T Malitha | | | 1314 | SRI | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Bandara, Dhanushka | | | 1789 | SRI | 0.00 | 1 | -0.24 | 20 | -4.80 | | | * 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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