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Individual Calculations September 2018 |
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| Kolomwe, Willian Total change: 172.80 | |   |
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| 2018 Zambia Open Chess Championships - Main Section | Lusaka | ZAM | 2018-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1955 | 1631 | 5.00 | 8 | 3.94 | 40 | 157.60 | |
|  Siakasimbo, Aubrey | | | 2031 * | ZAM | 1.00 | 1 | 0.92 | 40 | 36.80 | |  Jilowa, Tito | | | 2008 | ZAM | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Omaling, Oogu | | | 1981 | ZAM | 0.50 | 1 | 0.39 | 40 | 15.60 | | | Makwaya, Kiddy | | | 1970 | ZAM | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Mubanga, Chanda Patrick | | | 1899 | ZAM | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Mangani, Happy J | | | 1874 | ZAM | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Kangwa, Moses | | | 1881 | ZAM | 1.00 | 1 | 0.81 | 40 | 32.40 | | | Tembo, Sekelani | | | 1999 | ZAM | 0.50 | 1 | 0.40 | 40 | 16.00 | | | * 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) | | | NOTE: K factor changed | | Sri Lanka Open International Rating Chess Championship 2018 | Colombo | SRI | 2018-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1463 | 1631 | 7.00 | 9 | 0.76 | 20 | 15.20 | |
| | Costha, M Yomali Muthumini | | | 1231 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Jayaweera Gamage, Disindu Hansad | | | 1267 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Attanayaka, Amoda Yehen | | | 1354 | SRI | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Priyankara, Chamil | | | 2031 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Dissanayake, Praveen Manodya | | | 1306 | SRI | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Hewawasam, H Y Thisaga Manvidu | | | 1316 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Punchihewa, Geeneth Devmika | | | 1425 | SRI | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Saravanabaavan, Brijeash | | | 1397 | SRI | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Lamahewa, C | | | 1842 | SRI | 0.50 | 1 | 0.27 | 20 | 5.40 | | | * 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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