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Individual Calculations September 2019 |
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| Asuramanna, Mevindu Hansana Total change: 18.80 | |   |
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| 4th SSC Open International Rating chess Championship 2019 | Matara | SRI | 2019-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1068 | 1260 | 1.00 | 1 | 0.25 | 40 | 10.00 | |
|  Thalgaswatta, Adeesha Denuwan | | | 1068 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | |
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) | | | | 5th Negombo International chess Festival 2019 | Negombo | SRI | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1296 | 1260 | 4.00 | 7 | 0.65 | 40 | 26.00 | |
| | Lasitha, Subash | c | | 1660 * | SRI | 1.00 | 1 | 0.92 | 40 | 36.80 | |  Saravanabaavan, Brijeash | | | 1593 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Warushvithana, Senuri Shehana Ku | | | 1063 | SRI | 0.50 | 1 | -0.25 | 40 | -10.00 | | | Kamaradiwela, K A D M M | | | 1073 | SRI | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Jayathilaka, R R C L | | | 1543 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Thimanjana, Balage Kisandu | | | 1070 | SRI | 0.50 | 1 | -0.25 | 40 | -10.00 | | | Abhaywardhana, Nirma Pahasara | | | 1068 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | | | * 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) | | | | 9th Kandy Open International Chess Festival 2019 | Kandy | SRI | 2019-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1372 | 1260 | 1.50 | 5 | -0.43 | 40 | -17.20 | |
| | Alahakoon, Isuru | | | 1660 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Yapa Bandara, Chamodya | | | 1586 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Ranathunga, Panchali | | | 1065 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | | | De Silva, S S Gayashan | | | 1462 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Ramilan, K | | | 1089 | SRI | 0.50 | 1 | -0.23 | 40 | -9.20 | | | * 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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