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Individual Calculations September 2019 |
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| Alahakoon, Isuru Total change: 2.80 | |   |
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| Sri Lanka open International Rating Chess Championship 2019 | Anuradhapura | SRI | 2019-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1843 | 2138 | 7.00 | 9 | -0.31 | 20 | -6.20 | |
|  Didulatha, D M I | | | 1738 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Herath, H M M D | | | 1738 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Seneviratne, Shehan Kavishka | | | 1738 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kolomwe, Willian | | | 1753 | ZAM | 0.00 | 1 | -0.91 | 20 | -18.20 | | | Jayaweera, Y | | | 1767 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Lasitha, Subash | c | | 1738 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | De Silva, L M S T | f | | 1984 | SRI | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Chakravarthi Reddy, M | m | | 2393 | IND | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Menuka, Udara | | | 1738 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | 5th Negombo International chess Festival 2019 | Negombo | SRI | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1780 | 2138 | 8.00 | 9 | 0.05 | 20 | 1.00 | |
| | Gamage, G D P A | | | 1738 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Pathmasiri, R D Isuru Saranga | | | 1738 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Sathmina, S L Lalindu | | | 1738 * | SRI | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Ekanayake, Hasindu Chiranga | | | 1738 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Perera, M C C | | | 1738 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Madushanka, B W M Malith | | | 1738 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Fernando, J S Aloka | | | 1738 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Jayasinghe, Keeth M S | | | 1809 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Weerawardane, Romesh | m | | 2046 | SRI | 1.00 | 1 | 0.37 | 20 | 7.40 | | | * 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) | | | | 9th Kandy Open International Chess Festival 2019 | Kandy | SRI | 2019-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1816 | 2138 | 9.00 | 10 | 0.40 | 20 | 8.00 | |
| | Bandara, W A D R | | | 1738 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Asuramanna, Mevindu Hansana | | | 1738 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Thilakarathne, H M G G | | | 1738 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Dahampriya, H K T Dewnethmie | | | 1738 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Thenuka, Kuruwita Gamalathge Kin | | | 1792 | SRI | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Subasinghe, K R V R | | | 2022 | SRI | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Bandara, Dhanushka | | | 1789 | SRI | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Wijekoon, Chandana | c | | 1910 | SRI | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Amarasinghe, A A C B | | | 1878 | SRI | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Deegoda, S R | | | 1821 | 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) | | |
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