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Individual Calculations September 2015 |
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| Senavin, Dunura Total change: -25.60 | |   |
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| National Amateur Chess Championship 2015 | Colombo | SRI | 2015-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1432 | 1588 | 5.00 | 8 | -0.46 | 40 | -18.40 | |
|  Rajendram, Branavan | | | 1197 | SRI | 0.50 | 1 | -0.41 | 40 | -16.40 | |  Karunarathne, D D W Gamini | | | 1303 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Fernando, L V M | | | 1614 | SRI | 0.00 | 1 | -0.46 | 40 | -18.40 | | | Dissanayake, Kamesh Janaja | | | 1383 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Perera, U I Himal | | | 1320 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Theekshana, H G Denuwan | | | 1574 | SRI | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Ekanayake, A M B | | | 1650 | SRI | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Fernando, J S Aloka | | | 1414 | SRI | 1.00 | 1 | 0.27 | 40 | 10.80 | |
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 |
| 1362 | 1588 | 6.50 | 9 | -0.18 | 40 | -7.20 | |
| | Ranawake, Sanuda D | | | 1188 * | SRI | 0.00 | 1 | -0.92 | 40 | -36.80 | | | Senura, H G Dilshan | | | 1188 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Jayatissa, Chanuth Devnaka | | | 1211 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Pallie, Ehsha Mishela | | wc | 1272 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | De Silva, Rasheen | | | 1772 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Kodithuwakku, Himsara | | | 1305 | SRI | 0.50 | 1 | -0.34 | 40 | -13.60 | | | Perera, Hansini | | | 1312 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Samarakoon, S M T Induwara | | | 1188 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Senanayaka, P D | | | 1823 | SRI | 1.00 | 1 | 0.79 | 40 | 31.60 | | | * 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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