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Individual Calculations March 2015 |
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| Goonatillake, Ranindu Total change: 8.80 | |   |
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| Colombo Chess Festival 2015 | Colombo | SRI | 2015-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1406 | 1142 | 1.00 | 5 | 0.08 | 40 | 3.20 | |
|  Suranjith, K W A | | | 1538 | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Weerathilaka, Asiri | | | 1448 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Jayasundara, Mihisha Anjali | | | 1378 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Rathnayake, S Dasun | | | 1363 | SRI | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Jayatissa, Chanuth Devnaka | | | 1305 | SRI | 1.00 | 1 | 0.72 | 40 | 28.80 | |
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 Major Division Chess Championship 2015 Colombo | Colombo | SRI | 2015-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1299 | 1142 | 2.00 | 6 | 0.14 | 40 | 5.60 | |
|  Perera, L Lithmal Wansika | | | 1505 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Katugampola, K D K Gimna | | | 1314 | SRI | 1.00 | 1 | 0.73 | 40 | 29.20 | | | Jayawardana, Lasal | | | 1378 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Athukorala, A T N | | | 1239 | SRI | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Naushad, Thalaal | | | 1339 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Perera, Mulindu Mewan | | | 1016 | SRI | 1.00 | 1 | 0.33 | 40 | 13.20 | |
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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