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Individual Calculations September 2018 |
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| Madusanka, L D P Total change: 46.80 | |   |
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| 7th Mercantile and Government Service Chess Championship 2018 | Colombo | SRI | 2018-07-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1706 | 1642 | 3.50 | 5 | 1.45 | 20 | 29.00 | |
|  Sachintha, H G Sahan | | | 1793 | SRI | 0.50 | 1 | 0.20 | 20 | 4.00 | |  Ruwanpathirana, Priyantha | | | 1367 | SRI | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Chandrasiri, S A | | | 1725 | SRI | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Gunasinghe, S R | | | 1810 | SRI | 1.00 | 1 | 0.72 | 20 | 14.40 | | | De Silva, Elath Mathanga | | | 1837 | SRI | 0.50 | 1 | 0.25 | 20 | 5.00 | |
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) | | | | Kandy Open International Rating Chess Championship 2018 | Kandy | SRI | 2018-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1497 | 1642 | 7.50 | 10 | 0.89 | 20 | 17.80 | |
| | Kumarasinghe, D T T | | | 1242 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bawakeerthan, R | | | 1242 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Wijerathne, L M S D | | | 1316 | SRI | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Alahakoon, Isuru | | | 2042 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Liyanage, Pesandu Rashmitha | | | 1278 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Kumarawadu, C S | | | 1439 | SRI | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Epa, W Buthmi J | | | 1335 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Dissanayake, R K T | | | 1818 | SRI | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Gamage, Chathulanka | | | 1798 | SRI | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Thilakarathne, Malidu Amodya | | | 1459 | SRI | 1.00 | 1 | 0.26 | 20 | 5.20 | | | * 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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