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Individual Calculations October 2017 |
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| Chamathka, Weerasinghe A Chethan Total change: 7.20 | |   |
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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 |
| 1317 | 1131 | 1.00 | 4 | -0.21 | 36 | -7.56 | |
|  Chanika, Dushani | | | 1083 | SRI | 1.00 | 1 | 0.43 | 36 | 15.48 | |  De Silva, Shelani | | | 1531 * | SRI | 0.00 | 1 | -0.08 | 36 | -2.88 | | | Gimhani, H. Shashipraba | | | 1492 | SRI | 0.00 | 1 | -0.10 | 36 | -3.60 | | | Yatapana, Navoda | | | 1163 | SRI | 0.00 | 1 | -0.46 | 36 | -16.56 | | | * 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) | | | | 3rd Negombo Chess Festival 2017 | Negombo, Sri lanka | SRI | 2017-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1376 | 1131 | 0.00 | 2 | -0.40 | 36 | -14.40 | |
| | Rukmal, G Thasitha | | | 1398 | SRI | 0.00 | 1 | -0.18 | 36 | -6.48 | | | Menuka, Udara | | | 1353 | SRI | 0.00 | 1 | -0.22 | 36 | -7.92 | |
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 |
| 1431 | 1131 | 1.50 | 6 | 0.57 | 36 | 20.52 | |
| | Bandara, Dhanushka | | | 1531 * | SRI | 0.00 | 1 | -0.08 | 36 | -2.88 | | | Bentharaarachchi, Vinuga Ometh | | | 1427 | SRI | 0.50 | 1 | 0.35 | 36 | 12.60 | | | Ranasinghe, R A Arindu Himeth | | | 1357 | SRI | 0.50 | 1 | 0.29 | 36 | 10.44 | | | Fernando, M Tharusha Randima | | | 1428 | SRI | 0.00 | 1 | -0.15 | 36 | -5.40 | | | Kithmal, P M Kalindhu | | | 1326 | SRI | 0.00 | 1 | -0.25 | 36 | -9.00 | | | Perera, K K Dilan Isuru | | | 1518 | SRI | 0.50 | 1 | 0.41 | 36 | 14.76 | | | * 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) | | | | 2nd West Asian Youth Chess Championship 2017 | Waskaduwa | SRI | 2017-09-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1403 | 1131 | 1.50 | 7 | 0.24 | 36 | 8.64 | |
| | Goyumi, Sasika M W | | | 1531 * | SRI | 0.50 | 1 | 0.42 | 36 | 15.12 | | | Jayaweera, Sayuni Gihansa | | wc | 1531 * | SRI | 0.00 | 1 | -0.08 | 36 | -2.88 | | | Al Ali, Aisha Saif | | | 1402 | UAE | 0.00 | 1 | -0.17 | 36 | -6.12 | | | Sanudula, K M Dahamdi | | | 1338 | SRI | 0.50 | 1 | 0.27 | 36 | 9.72 | | | Gunathilake, M D Wonara S | | | 1324 | SRI | 0.00 | 1 | -0.25 | 36 | -9.00 | | | Bentharaarachchi, Vinuga Ometh | | | 1379 | SRI | 0.50 | 1 | 0.31 | 36 | 11.16 | | | Mapa, M M W H | | | 1313 | SRI | 0.00 | 1 | -0.26 | 36 | -9.36 | | | * 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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