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Individual Calculations May 2017 |
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| Akasha, J P Vihanga Total change: 30.80 | |   |
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| Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1346 | 1188 | 2.00 | 5 | 0.31 | 40 | 12.40 | |
|  Dahanayake, Isara Banidu | | | 1522 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Abeysinghe, H M H Janandani | | | 1521 | SRI | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Dahanayake, Kalindu | | | 1588 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Gamage, Mesanda | | | 1063 | SRI | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Botheju, Dilshan Shimalka | | | 1035 | SRI | 1.00 | 1 | 0.30 | 40 | 12.00 | | | * 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 12 Boys | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1125 | 1188 | 4.00 | 6 | 0.46 | 40 | 18.40 | |
| | De Silva, L Nemith Semuthu | | | 1063 | SRI | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Bandara , W M Malitha | | | 1112 | SRI | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Wimalasooriya, L H A S | | | 1103 | SRI | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Withanarachchi, W A P I | | | 1413 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Herath, H M D A B | | | 1017 | SRI | 0.50 | 1 | -0.23 | 40 | -9.20 | | | Bandara, T M Miul Prabhashwara | | | 1039 | SRI | 1.00 | 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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