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Individual Calculations May 2017 |
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| Lansakara, Vinuji Total change: -6.40 | |   |
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| Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1232 | 1041 | 1.00 | 4 | -0.01 | 40 | -0.40 | |
|  Ranasinghe, R A Arindu Himeth | | | 1280 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Pathmasiri, R D Isuru Saranga | | | 1216 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Hewage, Kawithaka Wethmal | | | 1173 | SRI | 0.50 | 1 | 0.18 | 40 | 7.20 | |  Karunarathne, D D W Gamini | | | 1257 | SRI | 0.50 | 1 | 0.28 | 40 | 11.20 | |
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) | | | | National Youth Chess Championship 2017 - Under 16 Girls | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1273 | 1041 | 1.00 | 5 | -0.15 | 40 | -6.00 | |
| | Wijesuriya, G P Y | | wc | 1441 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Karunarathna, Thilini Savindya | | | 1232 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | De Silva, A Dulani Himasha | | | 1119 | SRI | 1.00 | 1 | 0.61 | 40 | 24.40 | | | Herath, Sanduni | | | 1403 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Pasqual, Siluni | | | 1168 | SRI | 0.00 | 1 | -0.33 | 40 | -13.20 | | | * 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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