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Individual Calculations March 2015 |
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| Birunthaban, Rajendram Total change: 8.80 | |   |
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| Colombo Chess Festival 2015 | Colombo | SRI | 2015-01-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1492 | 1328 | 2.00 | 5 | 0.47 | 40 | 18.80 | |
|  Senanayaka, P D | | | 1728 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Lakmal, M A C | | | 1532 | SRI | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Tharushi, T H D Niklesha | | | 1576 | SRI | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Gamage, H Charanga Jithmal | | | 1597 | SRI | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Pasqual, Siluni | | | 1028 | SRI | 1.00 | 1 | 0.15 | 40 | 6.00 | | | * 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) | | | | Sri Lanka Major Division Chess Championship 2015 Colombo | Colombo | SRI | 2015-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1356 | 1316 | 2.00 | 5 | -0.25 | 40 | -10.00 | |
| | Silva, M Hashen Dhanushka Laksha | | | 1440 | SRI | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Udagedarachchi, U A Lathika | | | 1008 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Mihiranga, K Yasiru | | | 1550 | SRI | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Fernando, L V M | | | 1626 | SRI | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Perera, Mulina | | | 1156 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | |
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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