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Individual Calculations September 2019 |
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| Punchihewa, Hasith Thevindu Total change: 37.60 | |   |
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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 |
| 1451 | 1228 | 1.00 | 5 | -0.32 | 40 | -12.80 | |
|  Kolomwe, Willian | | | 1628 * | ZAM | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Kalubowila, K H N | | | 1628 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Perera, N Dumitha Sandumith | | | 1030 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Alwis, B H A Rasidu | | | 1592 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Weerasinghe, W Yasiru | | | 1377 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | | | * 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) | | | | 5th Negombo International chess Festival 2019 | Negombo | SRI | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1392 | 1228 | 3.50 | 7 | 1.26 | 40 | 50.40 | |
| | Saravanabaavan, Brijeash | | | 1593 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Jayaweera, Vihini Sahansa | | | 1038 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Morais, Sanithu Leander Pamudith | | | 1447 | SRI | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Siriwardena, R I Pasan Bhanuka | | | 1563 | SRI | 0.50 | 1 | 0.38 | 40 | 15.20 | | | De Silva, D M Nilanga | | | 1612 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Chandula, E D S | | | 1468 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Vidharshana, T H Oshid Warshaka | | | 1024 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | |
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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