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Individual Calculations February 2016 |
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| Akasha, J P Vihanga Total change: 8.00 | |   |
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| Kollonnawa Chess Classic 2015 | Colombo | SRI | 2015-12-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1371 | 1096 | 0.00 | 4 | -0.71 | 40 | -28.40 | |
|  Weerakoon, D D P | | | 1496 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Rodrigo, T M Janudi | | | 1373 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | |  Pathirana, W P Voji Nimla | | | 1303 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Yatawaka, U Sirinama | | | 1310 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | * 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) | | | | 20th Battle of the Kings | Colombo | SRI | 2016-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1476 | 1096 | 1.00 | 1 | 0.91 | 40 | 36.40 | |
| | Jayaweera, Sayuni Gihansa | | wc | 1476 | SRI | 1.00 | 1 | 0.91 | 40 | 36.40 | |
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) | | |
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