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Individual Calculations October 2017 |
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| Perera, L Lithmal Wansika Total change: -53.60 | |   |
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| 3rd Negombo Chess Festival 2017 | Negombo, Sri lanka | SRI | 2017-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1280 | 1568 | 2.00 | 4 | -1.34 | 40 | -53.60 | |
|  Jayakody, J M P S B | | | 1333 | SRI | 1.00 | 1 | 0.21 | 40 | 8.40 | |  Ranasinghe, R A Arindu Himeth | | | 1357 | SRI | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Perera, Mulina | | | 1174 | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Pathirana, W P Voji Nimla | | | 1257 | SRI | 0.00 | 1 | -0.86 | 40 | -34.40 | |
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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