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Individual Calculations October 2017 |
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| Bandara, Senomi Imethma Total change: 3.60 | |   |
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| 4th Sri Lanka National Amateur International Rating Women Chess Championships 2017 | Colombo | SRI | 2017-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1248 | 1075 | 1.50 | 3 | 0.63 | 40 | 25.20 | |
|  Chanika, Dushani | | | 1083 | SRI | 1.00 | 1 | 0.51 | 40 | 20.40 | |  Sandeepani, M Tharushi | | | 1285 | SRI | 0.50 | 1 | 0.27 | 40 | 10.80 | | | Herath, Sanduni | | | 1377 | 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) | | | | 3rd Negombo Chess Festival 2017 | Negombo, Sri lanka | SRI | 2017-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1392 | 1075 | 0.00 | 3 | -0.46 | 40 | -18.40 | |
| | Weerakoon, D D P | | | 1475 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Koggala, W S T N | | | 1475 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Perera, D G D Y Adeekshana | | | 1227 | 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) | | | | 8th Kandy Open International Rating Chess Championship 2017 | Kandy | SRI | 2017-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1475 | 1075 | 0.00 | 1 | -0.08 | 40 | -3.20 | |
| | Rathnayake, Nuwan Anurada | | | 1475 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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