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Individual Calculations January 2020 |
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| Jayaweera, Y Total change: -16.80 | |   |
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| 11th Ethugalpura International Chess Championship 2019 | Kurunegala | SRI | 2019-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1532 | 1724 | 6.50 | 8 | 0.82 | 20 | 16.40 | |
|  Bandara, W A D R | | | 1324 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Jayawickrama, U W R K | | | 1324 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Abeysinghe, S M A M | | | 1400 | SRI | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Wijetunga, Isitha Uvishka | | | 1386 | SRI | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Marapana, Sanupa Bimsath | | | 1362 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Abhimanyu, Iraja | | | 1427 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Wijekoon, Chandana | c | | 1905 | SRI | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Alahakoon, Isuru | f | | 2124 * | SRI | 1.00 | 1 | 0.92 | 20 | 18.40 | | | * 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) | | | | Sri Lanka Inter Club Super League Chess Championship 2019 | Colombo | SRI | 2019-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1780 | 1724 | 1.50 | 5 | -0.70 | 20 | -14.00 | |
| | Lakshitha, H H Sasindu | | | 1707 | SRI | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Premachandra, G T D M | | | 1919 | SRI | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Adihetty, Vanusha | | | 1422 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Sumit, Kumar | | | 2124 * | IND | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Ranasinghe, S D | | wm | 1726 | SRI | 0.00 | 1 | -0.50 | 20 | -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) | | | | The Kolonnawa Chess Classic International Rating Tournament 2019 | Colombo | SRI | 2019-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1442 | 1724 | 6.50 | 9 | -0.96 | 20 | -19.20 | |
| | Insara, S D Nadev | | | 1324 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Hetti Arachchige, Thisumi S | | | 1324 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Abhimanyu, Iraja | | | 1427 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Pallie, Ehsha Mishela | | wc | 1528 | SRI | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Alwis, B H A Rasidu | | | 1516 | SRI | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Akasha, J P Vihanga | | | 1490 | SRI | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Cooray, T C M Dulein Kavindu | | | 1557 | SRI | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Liyanage, Kusalvin | | | 1378 | SRI | 0.00 | 1 | -0.89 | 20 | -17.80 | | | Weerasinghe, W Yasiru | | | 1433 | SRI | 0.50 | 1 | -0.35 | 20 | -7.00 | | | * 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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