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Individual Calculations September 2015 |
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| Kodikara, K K M Sachintha Total change: 30.40 | |   |
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| National Women's Amateur Chess Championship 2015 | Colombo | SRI | 2015-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1324 | 1439 | 6.50 | 8 | 1.47 | 40 | 58.80 | |
|  Ekanayaka, Achinthya | | | 1147 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | |  Pavalachandran, Ashvini | | | 1233 | SRI | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Hetti Arachchige, Thisumi S | | | 1071 | SRI | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Udagedara, Sandali Kanishka | | | 1535 | SRI | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Askey, Roshell Nathasha | | | 1528 | SRI | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Jayasundara, K M Sohanee Divyana | | | 1137 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Abeysinghe, H M H Janandani | | | 1462 | SRI | 0.50 | 1 | 0.03 | 40 | 1.20 | | | Senarath, B T A Y | | | 1477 | SRI | 1.00 | 1 | 0.55 | 40 | 22.00 | |
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) | | | | Sri Lanka Open Chess Championship 2015 | Colombo | SRI | 2015-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1343 | 1439 | 5.00 | 9 | -0.71 | 40 | -28.40 | |
| | De Silva, Thenuki Hirunima | | | 1106 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Jayasundara, P K U M | c | | 1839 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Sanudula, K M Dahamdi | | | 1180 | SRI | 0.50 | 1 | -0.32 | 40 | -12.80 | | | Punchihewa, Geeneth Devmika | | | 1175 | SRI | 0.50 | 1 | -0.32 | 40 | -12.80 | | | Wijesekara, Himaya | | | 1190 | SRI | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Boricha, Yohan | | | 1271 | IND | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Egodage, Thilina | | | 1820 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Chandira, K W Yasandu | | | 1283 | SRI | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Welangalle, Pesala Dulkith | | | 1220 | SRI | 0.50 | 1 | -0.28 | 40 | -11.20 | | | * 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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