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Individual Calculations May 2012 |
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| Yashora, Tiumi Total change: -32.70 | |   |
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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 |
| 1574 | 1747 | 3.50 | 7 | -1.46 | 15 | -21.90 | |
|  Nanayakkara, Damika Anupama | | | 1361 | SRI | 0.50 | 1 | -0.41 | 15 | -6.15 | |  Kahanda, I D S | | | 1631 | SRI | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Karunarathna, Chathapa Indawara | | | 1537 | SRI | 0.00 | 1 | -0.77 | 15 | -11.55 | | | Lasitha, Subash | | | 1776 | SRI | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Chankamie, M K T | | | 1616 | SRI | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Lorensuhewa, Prasanjith Chanaka | | | 1457 | SRI | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Thilakarathne, D G D Chamil | | | 1643 | SRI | 1.00 | 1 | 0.36 | 15 | 5.40 | |
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) | | | | Sri Lanka Women's National B Chess Championship 2012 | Colombo | SRI | 2012-03-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1548 | 1747 | 3.50 | 7 | -1.77 | 15 | -26.55 | |
| | Nawaratne, Malithi | | | 1558 | SRI | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Gunaratne, Manisha Suchini | | | 1566 | SRI | 0.00 | 1 | -0.74 | 15 | -11.10 | | | Jayasundara, H.j.m.r.m. | | | 1494 | SRI | 0.00 | 1 | -0.81 | 15 | -12.15 | | | Balasuriya, Sajini Hasara | | | 1413 | SRI | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Jayathilake, Navoda | | | 1614 | SRI | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Sumithrarachchi, Sayuri | | | 1576 | SRI | 0.00 | 1 | -0.73 | 15 | -10.95 | | | Senarath, Kavindi | | | 1615 | SRI | 1.00 | 1 | 0.32 | 15 | 4.80 | |
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 16 Girls | Colombo | SRI | 2012-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1598 | 1747 | 2.00 | 4 | -0.75 | 15 | -11.25 | |
| | De Silva, Shelani | | | 1559 | SRI | 0.00 | 1 | -0.74 | 15 | -11.10 | | | Rajapakshe, Nuwanthi Dileka | | | 1480 | SRI | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Sanali, W A Nathasha | | | 1724 | SRI | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Chankamie, M K T | | | 1629 | SRI | 1.00 | 1 | 0.34 | 15 | 5.10 | |
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 Dhamso International Chess Festival | Ambalangoda | SRI | 2012-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1952 | 1747 | 3.00 | 5 | 1.80 | 15 | 27.00 | |
| | Priyankara, Chamil | | | 1892 | SRI | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Saranga, N C O | | | 1954 | SRI | 1.00 | 1 | 0.77 | 15 | 11.55 | | | Mendis, W G Chinthaka | | | 1935 | SRI | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Peiris, T S S | | | 2034 | SRI | 0.00 | 1 | -0.16 | 15 | -2.40 | | | De Silva, Elath Mathanga | | | 1946 | SRI | 1.00 | 1 | 0.76 | 15 | 11.40 | |
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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