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Individual Calculations September 2011 |
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| Alahakoon, Isuru Total change: 10.05 | |   |
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| Sri Lanka Major Division Kandy Chess championship 2011 | Kandy | SRI | 2011-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1692 | 1924 | 4.50 | 6 | -0.09 | 15 | -1.35 | |
|  Rangamuwa, W L B | | | 1524 * | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Kumarasinghe, U U | | | 1524 * | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Prabajith, Asela | | | 1835 | SRI | 0.50 | 1 | -0.12 | 15 | -1.80 | | | Karunarathne, K M D B | | | 1624 | SRI | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Lamawansa, Yasas | | | 1884 | SRI | 0.50 | 1 | -0.06 | 15 | -0.90 | | | Ranasinghe, C N | | | 1761 | SRI | 0.50 | 1 | -0.22 | 15 | -3.30 | | | * 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) | | | | Mora Kings International Rating Chess Championship 2011 | Moratuwa | SRI | 2011-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1837 | 1924 | 5.00 | 7 | 0.76 | 15 | 11.40 | |
| | Rathnayake, Nuwan Anurada | | | 1644 | SRI | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Aluvihare, Shakila | | | 1665 | SRI | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Yogesh, Gautam | | | 2043 | IND | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Doluweera, Dinul Thisura | | | 1748 | SRI | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Lasitha, Subash | | | 1805 | SRI | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Wijekoon, Chandana | | | 2008 | SRI | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Premachandra, G T D | | | 1944 | SRI | 0.00 | 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) | | |
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