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Individual Calculations July 2011 |
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| Thrimavitharana, Ravin Total change: 19.65 | |   |
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| Dhamso International Chess Festival | Ambalangoda | SRI | 2011-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1903 | 1890 | 3.00 | 5 | 0.64 | 15 | 9.60 | |
|  Kahanda, I D S | | | 1600 | SRI | 0.50 | 1 | -0.34 | 15 | -5.10 | | | Lamahewa, S | | | 1828 | SRI | 0.50 | 1 | -0.09 | 15 | -1.35 | | | De Silva, Gihan | | | 2004 | SRI | 1.00 | 1 | 0.66 | 15 | 9.90 | |  Koggala, W S V K | | | 2053 | SRI | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Bhagya, Viman | | | 2030 | SRI | 0.00 | 1 | -0.31 | 15 | -4.65 | |
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) | | | | 2nd Kandy Open Rating Chess Championship | NICD, Polgolla, Kandy | SRI | 2011-05-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1766 | 1890 | 4.50 | 6 | 0.67 | 15 | 10.05 | |
| | Narampanawa, Ishara | | | 1490 * | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Rathnayake, Nuwan Anuradha | | | 1646 | SRI | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Natarajan, C | | | 2230 | IND | 0.50 | 1 | 0.38 | 15 | 5.70 | | | Nawaratne, Malithi | | | 1553 | SRI | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Bhagya, Viman | | | 2020 | SRI | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Chandrasiri, S A K | | | 1658 | SRI | 1.00 | 1 | 0.21 | 15 | 3.15 | | | * 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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