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Individual Calculations May 2017 |
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| Samaraweera, Sanith Jithnuka Total change: 75.60 | |   |
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| Sri Lanka Major Division Championship 2017 - Colombo | Colombo | SRI | 2017-03-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1375 | 1093 | 3.00 | 6 | 1.91 | 40 | 76.40 | |
|  Thenuka, Kuruwita Gamalathge Kin | | | 1481 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | |  Peiris, P Kalindu Anjana | | | 1214 | SRI | 1.00 | 1 | 0.66 | 40 | 26.40 | | | Peiris, K Bimsara | | | 1302 | SRI | 1.00 | 1 | 0.77 | 40 | 30.80 | | | Pallie, Tuan Ehshan | | | 1493 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Nethsara, W M Daham | | | 1493 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Perera, D G D Y Adeekshana | | | 1269 | SRI | 1.00 | 1 | 0.73 | 40 | 29.20 | | | * 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) | | | | Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1420 | 1093 | 0.50 | 4 | -0.03 | 40 | -1.20 | |
| | Dahanayake, Kalindu | | | 1493 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Gunaratne, Ayeshmanthi | | | 1461 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Lansakara, B M | | | 1405 | SRI | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Abeywardana, Hasandi Yapa | | | 1321 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | | | * 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) | | | | National Youth Chess Championship 2017 - Under 16 Boys | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1340 | 1093 | 1.00 | 5 | 0.01 | 40 | 0.40 | |
| | Jayasundara, J J M Y Adithya B | | | 1454 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Thilakarathne, Malidu Amodya | | | 1309 | SRI | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Sathkumara, S M H D | | | 1356 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Nilaweera, W R Chamika | | | 1329 | SRI | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Gunarathna, Thinula Amadith | | | 1253 | SRI | 0.00 | 1 | -0.29 | 40 | -11.60 | |
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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