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Individual Calculations October 2018 |
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| Jayaweera, Hashan Total change: 73.20 | |   |
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| 4th Negambo International Chess Festival 2018 | Negambo | SRI | 2018-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1431 | 1124 | 1.00 | 5 | 0.24 | 40 | 9.60 | |
|  Kodithuwakku, Himsara | | | 1524 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Lasitha, Subash | c | | 1524 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Premanath, Prasansa | | | 1342 | SRI | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Herath, H M S S A | | | 1452 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Jayasinghe, Joseph | | | 1315 | SRI | 0.00 | 1 | -0.25 | 40 | -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) | | | | Sri Lanka Junior National Chess Championship 2018 | Colombo | SRI | 2018-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1354 | 1124 | 3.00 | 6 | 1.59 | 40 | 63.60 | |
| | Mathes Arachchi, Bhanila M | | | 1513 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Amarasena, Y Mathila Yubath | | | 1471 | SRI | 1.00 | 1 | 0.89 | 40 | 35.60 | | | Hewawasam, H Y Thisaga Manvidu | | | 1316 | SRI | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Thenuwara, Rashmika | | | 1427 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Weerasinghe, Sethum | | | 1341 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Weheragoda, H A Menula | | | 1055 | SRI | 1.00 | 1 | 0.40 | 40 | 16.00 | |
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) | | |
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