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Individual Calculations September 2019 |
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| Abhaywardhana, Nirma Pahasara Total change: 6.40 | |   |
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| 5th Negombo International chess Festival 2019 | Negombo | SRI | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1372 | 1068 | 1.00 | 5 | 0.23 | 40 | 9.20 | |
|  Kolomwe, Willian | | | 1468 * | ZAM | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Alwis, Randeepa | | | 1291 | SRI | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Akasha, J P Vihanga | | | 1454 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | De Silva, J I Ajantha | | | 1387 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Asuramanna, Mevindu Hansana | | | 1260 | 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) | | | | 9th Kandy Open International Chess Festival 2019 | Kandy | SRI | 2019-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1323 | 1068 | 0.50 | 3 | -0.07 | 40 | -2.80 | |
| | Piyarthne, Movindu Lushan | | | 1335 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Lavanga, D Binuka | | | 1273 | SRI | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Ramanayake, Nemindi Linaya | | | 1362 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | |
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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