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Individual Calculations November 2011 |
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| Gunasinghe, Wats Total change: 33.75 | |   |
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| Sri Lanka National B Championship | Colombo | SRI | 2011-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1872 | 1839 | 5.50 | 10 | 0.92 | 15 | 13.80 | |
|  Weerawardena, Romesh | | | 2160 | SRI | 0.00 | 1 | -0.13 | 15 | -1.95 | |  Doluweera, Minul | | | 1639 | SRI | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Ratnayake, Nuwan Anuradha | | | 1644 | SRI | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Athavan, Rk | | | 1946 | SRI | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Ranasinghe, Sachini | | wm | 1905 | SRI | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Hettiarachchi, Au | | | 1951 | SRI | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Mallawarachchi, Thiwanka | | | 1948 | SRI | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Priyankara, Chamil | | | 1936 | SRI | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Samarathunge, Chanaka Janitha | | | 1644 | SRI | 1.00 | 1 | 0.25 | 15 | 3.75 | | | De Silva, Osheen | | | 1944 | SRI | 0.50 | 1 | 0.14 | 15 | 2.10 | |
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 Buddhi International Chess Championship 2011 | Gampaha | SRI | 2011-10-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1913 | 1869 | 4.00 | 6 | 1.33 | 15 | 19.95 | |
| | Natarajan, C | | | 2230 | IND | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Jayaweera, K P C D B | | | 1470 | SRI | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Thilakarathne, G M H | | | 1537 | SRI | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Majumdar, Shankar | | | 2050 | IND | 1.00 | 1 | 0.74 | 15 | 11.10 | | | De Silva, Osheen | | | 1921 | SRI | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Anwesh, Upadhyaya | m | | 2269 * | IND | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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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