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Individual Calculations November 2011 |
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| Alahakoon, Isuru Total change: -26.55 | |   |
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| Sri Lanka National B Championship | Colombo | SRI | 2011-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1829 | 1924 | 5.00 | 9 | -0.57 | 15 | -8.55 | |
|  Ratnayake, Nuwan Anuradha | | | 1644 | SRI | 1.00 | 1 | 0.16 | 15 | 2.40 | | | De Silva, Gihan Kanchana | | | 1988 | SRI | 0.00 | 1 | -0.41 | 15 | -6.15 | |  Samarathunge, Chanaka Janitha | | | 1644 | SRI | 0.00 | 1 | -0.84 | 15 | -12.60 | | | Ranasinghe, Cn | | | 1761 | SRI | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Subash, Wa Lasith | | | 1805 | SRI | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Alahakoon, Amcb | | | 1860 | SRI | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Pinto , Semuthu | | | 1804 | SRI | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Madugalle, Ydb | | | 2054 | SRI | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Ranasinghe, Sachini | | wm | 1905 | SRI | 1.00 | 1 | 0.47 | 15 | 7.05 | |
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) | | | | 2011 World Amateur Chess Championship | Antalya | TUR | 2011-10-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1903 | 1934 | 1.50 | 5 | -1.20 | 15 | -18.00 | |
| | Bilguun, Sumiya | | | 1976 | MGL | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Aslanhan, Halis | | | 1782 | TUR | 0.00 | 1 | -0.70 | 15 | -10.50 | | | Aron, Teh Eu Wen | | | 1825 | MAS | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Van Oudvorst, Bert | | | 1939 | NED | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Akshat, Chandra | | | 1995 | IND | 0.00 | 1 | -0.42 | 15 | -6.30 | |
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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