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Individual Calculations July 2011 |
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| De Silva, Osheen Total change: -1.05 | |   |
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| Dhamso International Chess Festival | Ambalangoda | SRI | 2011-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1741 | 1936 | 4.00 | 6 | -0.49 | 15 | -7.35 | |
|  Karunanayake, Mayuri | | | 1670 | SRI | 0.50 | 1 | -0.32 | 15 | -4.80 | |  Lasitha, Subash | | | 1796 | SRI | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Sandamith, W M | | | 1697 | SRI | 0.50 | 1 | -0.30 | 15 | -4.50 | | | Tejaswini, Sagar | | wc | 1714 | IND | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Lamahewa, S | | | 1828 | SRI | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Yashora, Tiumi | | | 1743 | SRI | 1.00 | 1 | 0.25 | 15 | 3.75 | |
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 |
| 1767 | 1945 | 5.50 | 7 | 0.42 | 15 | 6.30 | |
| | Karunarathne, W M V W B | | | 1688 | SRI | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Wettasinha, Vasanta | | | 1766 | SRI | 0.00 | 1 | -0.73 | 15 | -10.95 | | | Yatanwala, Manushka | | | 1728 | SRI | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Herath, H M A K | | | 1675 | SRI | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Senanayaka, P D | | | 1825 | SRI | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Doluweera, Dinul Thisura | | | 1750 | SRI | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Alahakoon, Isuru | | | 1939 | SRI | 1.00 | 1 | 0.49 | 15 | 7.35 | |
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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