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Individual Calculations May 2012 |
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| Kahanda, I D S Total change: -36.00 | |   |
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| Sri Lanka Major Division Chess Championship 2012 Galle | Galle | SRI | 2012-02-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1650 | 1631 | 1.50 | 5 | -0.86 | 15 | -12.90 | |
|  Chankamie, M K T | | | 1616 | SRI | 0.50 | 1 | -0.02 | 15 | -0.30 | |  Yashora, Tiumi | | | 1747 | SRI | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Lasitha, Subash | | | 1776 | SRI | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Malhara, W A Hansana | | | 1470 | SRI | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Wijerathne, Theshan Thathsara | | | 1642 | SRI | 0.00 | 1 | -0.48 | 15 | -7.20 | |
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 Women's National B Chess Championship 2012 | Colombo | SRI | 2012-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1575 | 1631 | 3.00 | 6 | -0.41 | 15 | -6.15 | |
| | Sathma, Devni | | | 1419 | SRI | 0.00 | 1 | -0.77 | 15 | -11.55 | | | Karunarathna, Sanduni Imasha | | | 1365 | SRI | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Nawaratne, Malithi | | | 1558 | SRI | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Koswattha, K W D M D I | | | 1511 | SRI | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Basnayake, Iu | | | 1799 | SRI | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Methmali, Y | | | 1798 | SRI | 0.00 | 1 | -0.28 | 15 | -4.20 | |
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 Women's National Chess Championship 2012 | Colombo | SRI | 2012-03-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1701 | 1631 | 5.00 | 13 | -0.35 | 15 | -5.25 | |
| | Chankamie, M K T | | | 1629 | SRI | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Sumithrarachchi, Sayuri | | | 1576 | SRI | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Premanath, Dinushki | | wf | 1881 | SRI | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Jayathilake, Mihirani | | | 1698 | SRI | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Ranasinghe, S D | | wm | 1913 | SRI | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Methmali, Y | | | 1798 | SRI | 0.00 | 1 | -0.28 | 15 | -4.20 | | | De Silva, Shelani | | | 1559 | SRI | 0.00 | 1 | -0.60 | 15 | -9.00 | | | Basnayake, I U | | | 1799 | SRI | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Chandrasiri, S A K | | | 1668 | SRI | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Senanayake, P R | | wf | 1788 | SRI | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Perera, Panchali | | | 1685 | SRI | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Gunaratne, Manisha Suchini | | | 1566 | SRI | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Nawaratne, Malithi | | | 1558 | SRI | 0.50 | 1 | -0.10 | 15 | -1.50 | |
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) | | | | National Youth Chess Championship 2012 Under 14 Girls | Colombo | SRI | 2012-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1477 | 1631 | 2.00 | 4 | -0.78 | 15 | -11.70 | |
| | Bandara, R M Nisakya | | | 1309 | SRI | 0.50 | 1 | -0.37 | 15 | -5.55 | | | Jayaratne, J P S S | | | 1500 | SRI | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Methmini, Nelunika | | | 1560 | SRI | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Ranasinghe, Thinithi Sahanika | | | 1539 | SRI | 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) | | |
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