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Individual Calculations January 2012 |
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| Perera, W C C Total change: -18.75 | |   |
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| Sri Lanka Inter Club Super League 2011 | Colombo | SRI | 2011-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2012 | 2141 | 3.00 | 5 | -0.35 | 15 | -5.25 | |
|  Rajapakse, R M C M | | | 2132 | SRI | 0.50 | 1 | -0.01 | 15 | -0.15 | |  De Silva, Gihan | | | 1978 | SRI | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Kottahachchy, K O V | | | 2027 | SRI | 0.00 | 1 | -0.66 | 15 | -9.90 | | | Rathnayake, M A A H | | | 1898 | SRI | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Wijekoon, Chandana | | | 2024 | SRI | 0.50 | 1 | -0.16 | 15 | -2.40 | |
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) | | | | 3rd Ethugalpura Chess Challenge | Kurunegala | SRI | 2011-12-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1796 | 2141 | 3.50 | 5 | -0.90 | 15 | -13.50 | |
| | Jayaweera, K P C D B | | | 1741 * | SRI | 0.50 | 1 | -0.42 | 15 | -6.30 | | | Bandara, K G M G | | | 1741 * | SRI | 0.50 | 1 | -0.42 | 15 | -6.30 | | | Aluvihare, Shakila | | | 1741 * | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Chandrarathne, W S N | | | 1908 | SRI | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Prabajith, Asela | | | 1848 | SRI | 1.00 | 1 | 0.15 | 15 | 2.25 | | | * 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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