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Individual Calculations September 2015 |
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| Weerakoon, D D P Total change: 25.00 | |   |
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| National Amateur Chess Championship 2015 | Colombo | SRI | 2015-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1458 | 1597 | 5.00 | 7 | 0.48 | 20 | 9.60 | |
|  Jayaweera Gamage, Disindu Hansad | | | 1197 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Rajendram, Branavan | | | 1197 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Pallie, Tuan Ehshan | | | 1491 | SRI | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Munasinghe, Thisura | | | 1829 | SRI | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Wijesinghe, N L C Dojitha | | | 1370 | SRI | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Nethsara, W M Daham | | | 1197 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Dassanayake, D M G S | | | 1927 | SRI | 0.50 | 1 | 0.38 | 20 | 7.60 | | | * 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 Open Chess Championship 2015 | Colombo | SRI | 2015-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1470 | 1597 | 6.50 | 9 | 0.77 | 20 | 15.40 | |
| | Devnaka, Chamin | | | 1197 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Sathmina, S L Lalindu | | | 1197 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Liyanapathirana, Pasan Vindula | | | 1877 | SRI | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Mendis, P Kavinda | | | 1286 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Prabajith, Asela | | | 1832 | SRI | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Perera, Hansini | | | 1312 | SRI | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Shasikumar, Nagarajah | | | 1313 | SRI | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Liyanarachchi, Sanosh Shamal | | | 1394 | SRI | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Egodage, Thilina | | | 1820 | SRI | 1.00 | 1 | 0.78 | 20 | 15.60 | | | * 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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