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Individual Calculations October 2017 |
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| Gimhani, H. Shashipraba Total change: -5.80 | |   |
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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 |
| 1332 | 1492 | 4.50 | 7 | -0.30 | 20 | -6.00 | |
|  Gunasekara, Ayodya Nethmini | | | 1199 | SRI | 0.50 | 1 | -0.35 | 20 | -7.00 | |  Abeysinghe, H M H Janandani | | | 1458 | SRI | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Chamathka, Weerasinghe A Chethan | | | 1131 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Premathilaka, I M | | | 1243 | SRI | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Ranasinghe, Shalini | | | 1530 | SRI | 0.00 | 1 | -0.45 | 20 | -9.00 | | | De Silva, Shelani | | | 1570 | SRI | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Hetti Arachchige, Thisumi S | | | 1190 | SRI | 1.00 | 1 | 0.15 | 20 | 3.00 | |
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 |
| 1381 | 1492 | 6.50 | 9 | 0.86 | 20 | 17.20 | |
| | Prasanna, H G Ajith | | | 1092 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Liyanage, R L C Sasmitha | | | 1164 | SRI | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Subasinghe, K R V R | | | 1892 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Wijesekara, Himaya | | | 1159 | SRI | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Rajithya, A P Vinindu | | | 1177 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Priyankara, Chamil | | | 1892 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Herath, H M T H | | | 1182 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Dissanayake, Praveen Manodya | | | 1134 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Jayaweera, Y | | | 1738 | SRI | 0.50 | 1 | 0.31 | 20 | 6.20 | | | * 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) | | | | Sri Lanka Inter University Chess Women Championship 2017 | Nugegoda | SRI | 2017-09-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1337 | 1492 | 0.50 | 2 | -0.85 | 20 | -17.00 | |
| | Yatapana, Navoda | | | 1163 | SRI | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Dewanthi, A H Chamika | | | 1511 | SRI | 0.00 | 1 | -0.47 | 20 | -9.40 | |
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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