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Individual Calculations September 2015 |
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| Liyanage, Ranindu Dilshan Total change: 53.20 | |   |
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| National Amateur Chess Championship 2015 | Colombo | SRI | 2015-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1552 | 1622 | 5.50 | 8 | 0.85 | 40 | 34.00 | |
|  Perera, Thisura Damsith | | | 1222 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Lamawansa, Yasas | | | 1977 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Birunthaban, Rajendram | | | 1292 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Rajapaksa, Inura | | | 1377 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Naotunna, D R | | | 1751 | SRI | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Randil, Lakshitha | | | 1887 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Nandika, Ruwan | | | 1486 | SRI | 0.50 | 1 | -0.18 | 40 | -7.20 | | | Gamage, Ovin Vidmal | | | 1425 | SRI | 1.00 | 1 | 0.25 | 40 | 10.00 | | | * 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) | | | | Sri Lanka Open Chess Championship 2015 | Colombo | SRI | 2015-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1526 | 1622 | 6.00 | 9 | 0.48 | 40 | 19.20 | |
| | Pasqual, Siluni | | | 1222 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Wijerathne, Amandi Ishitha | | | 1222 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Lamawansa, Yasas | | | 1977 | SRI | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Kodithuwakku, Himsara | | | 1305 | SRI | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Peiris, T S S | f | | 1991 | SRI | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Tharushi, T H D Niklesha | | | 1365 | SRI | 0.50 | 1 | -0.32 | 40 | -12.80 | | | Tennakoonwela, Pamudie Sasankha | | | 1406 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Amarasinghe, A A C B | | | 1859 | SRI | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Dissanayake, Kamesh Janaja | | | 1383 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | * 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) | | |
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