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Individual Calculations May 2017 |
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| Basnayake, B M Thesandu Aken Total change: 99.20 | |   |
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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 |
| 1284 | 1103 | 3.50 | 7 | 1.56 | 40 | 62.40 | |
|  Perera, Thilina | | | 1498 | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Ushan, Lochana | | | 1216 | SRI | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Perera, S N M | | | 1342 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Weerasinghe, H K P | | | 1264 | SRI | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Peiris, K Bimsara | | | 1302 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Wimaladharma, W Jithain Oshadha | | | 1192 | SRI | 1.00 | 1 | 0.62 | 40 | 24.80 | | | Dissanayake, Praveen Manodya | | | 1177 | SRI | 1.00 | 1 | 0.60 | 40 | 24.00 | |
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) | | | | Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1377 | 1103 | 1.50 | 4 | 0.78 | 40 | 31.20 | |
| | Hippola, H M S S | | | 1503 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Pallie, Ehsha Mishela | | wc | 1393 | SRI | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Devnaka, Chamin | | | 1275 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Perera, K Saviru Rashien Dilruk | | | 1335 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | | | * 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) | | | | National Youth Chess Championship 2017 - Under 10 Boys | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1135 | 1103 | 2.00 | 4 | 0.14 | 40 | 5.60 | |
| | Dissanayaka, Yadeesha Rashmane | c | | 1345 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Jayarathna, Sharada Induwara | | | 1043 | SRI | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Dissanayake, D M S L | | | 1017 | SRI | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Sathmina, S L Lalindu | | | 1135 | SRI | 0.00 | 1 | -0.46 | 40 | -18.40 | |
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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