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Individual Calculations January 2011 |
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| Jayasundara, P.k.u.m. Total change: -13.65 | |   |
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| World Youth U-16 Chess Olympiad 2010 | Burdur | TUR | 2010-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2080 | 1963 | 1.50 | 6 | -0.67 | 15 | -10.05 | |
|  Prasanna, Rao | m | | 2363 * | IND | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Meredow, Shanepes | | | 1872 | TKM | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Emiroglu, Cankut | | | 2110 | TUR | 0.00 | 1 | -0.30 | 15 | -4.50 | |  Rindlisbacher, Jan | | | 2155 | SUI | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Foster, James M | | | 1954 | ENG | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Janzelj, Tim | | | 2025 | SLO | 0.00 | 1 | -0.41 | 15 | -6.15 | | | * 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) | | | | 6th Asian Schools Under 15 Chess Championship 2010 | Colombo | SRI | 2010-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1801 | 1963 | 6.50 | 8 | 0.79 | 15 | 11.85 | |
| | Vithanage, Tharindu | | | 1760 | SRI | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Doluweera, Dinul Thisura | | | 1787 | SRI | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Walid, Anwar | | | 1742 | UAE | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Lamahewa, C | | | 1810 | SRI | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Kumara, C M S Praneeth | | | 1848 | SRI | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Dissanayake, R D A C | | | 1799 | SRI | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Munasinghe, Dgsd | | | 1792 | SRI | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Iskandar, Bin Abdullah | | | 1868 | SIN | 0.00 | 1 | -0.63 | 15 | -9.45 | |
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 Ethugalpura Chess Challenge 2010 | Kurunegala | SRI | 2010-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1755 | 1963 | 2.00 | 4 | -1.03 | 15 | -15.45 | |
| | Koggala, W S T D | | | 1710 | SRI | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Bandara, A J K D | | | 1827 | SRI | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Tejaswini, Sagar | | wc | 1661 | IND | 0.50 | 1 | -0.35 | 15 | -5.25 | | | Lamawansa, Yasas | | | 1821 | SRI | 0.00 | 1 | -0.69 | 15 | -10.35 | |
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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