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Individual Calculations September 2015 |
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| Wanigarathne, K A N Total change: 80.00 | |   |
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| National Amateur Chess Championship 2015 | Colombo | SRI | 2015-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1472 | 1178 | 2.00 | 5 | 1.18 | 40 | 47.20 | |
|  Nandika, Ruwan | | | 1486 | SRI | 0.50 | 1 | 0.36 | 40 | 14.40 | |  Lakshan, G Dilina Udeepa | | | 1292 | SRI | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Dissanayake, Manusha Dinuk | | | 1477 | SRI | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Jayaweera, Y | | | 1573 | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Askey, Raveen Nimesh | | | 1530 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | |
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) | | | | Sri Lanka Open Chess Championship 2015 | Colombo | SRI | 2015-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1431 | 1178 | 2.00 | 6 | 0.82 | 40 | 32.80 | |
| | Gamage, Nethmi Nirasha | | | 1578 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Dissanayake, Manusha Dinuk | | | 1477 | SRI | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Jayasekera, Himasha Dulanji | | wc | 1405 | SRI | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Bandara, R M Nisakya | | | 1397 | SRI | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Dissanayake, Kamesh Janaja | | | 1383 | SRI | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Kalinga, Kalindu Kusalwin | | | 1348 | SRI | 0.00 | 1 | -0.28 | 40 | -11.20 | | | * 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) | | |
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