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Individual Calculations September 2015 |
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| Liyanagama, Pasandul Total change: 88.00 | |   |
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| National Amateur Chess Championship 2015 | Colombo | SRI | 2015-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1407 | 1119 | 3.00 | 7 | 1.77 | 40 | 70.80 | |
|  Theekshana, H G Denuwan | | | 1519 * | SRI | 1.00 | 1 | 0.92 | 40 | 36.80 | | | De Silva, Rasheen | | | 1519 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Siriwardena, G T D | | | 1519 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Deraniyagala, Vimukthi Prathap | | | 1289 | SRI | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Dahanayake, Kalindu | | | 1443 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Rajendram, Branavan | | | 1197 | SRI | 1.00 | 1 | 0.61 | 40 | 24.40 | | | Roshan, K | | | 1366 | SRI | 0.50 | 1 | 0.31 | 40 | 12.40 | | | * 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) | | | | Sri Lanka Open Chess Championship 2015 | Colombo | SRI | 2015-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1346 | 1119 | 2.00 | 7 | 0.43 | 40 | 17.20 | |
| | Mendis, B D S | | | 1468 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Birunthaban, Rajendram | | | 1292 | SRI | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Thuduwage, Yasasirini Pabasara | | | 1400 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Wijesinghe, W A D Sumudu | | | 1261 | SRI | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Senarath, B T A Y | | | 1477 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Jayasinghe, J A S V | | | 1255 | SRI | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Pallie, Ehsha Mishela | | wc | 1272 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | |
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) | | |
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