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Individual Calculations September 2011 |
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| Priyankara, Chamil Total change: -12.00 | |   |
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| Sri Lanka Major Division Galle Chess Championship 2011 | Galle | SRI | 2011-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1806 | 1936 | 3.50 | 6 | -0.54 | 15 | -8.10 | |
|  Jayanka, L P Pr | | | 1736 | SRI | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Lamahewa, C | | | 1855 | SRI | 1.00 | 1 | 0.39 | 15 | 5.85 | |  Lasitha, Subash | | | 1805 | SRI | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Mendis, W G Chinthaka | | | 1921 | SRI | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Sandamith, W M | | | 1755 | SRI | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Jayarathne, M N G | | | 1762 | SRI | 0.50 | 1 | -0.23 | 15 | -3.45 | |
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) | | | | Mora Kings International Rating Chess Championship 2011 | Moratuwa | SRI | 2011-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1676 | 1936 | 3.00 | 4 | -0.26 | 15 | -3.90 | |
| | Ranasinghe, Sahan A | | | 1680 | SRI | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Madumadha, M Chaithika Samith | | | 1723 | SRI | 0.00 | 1 | -0.77 | 15 | -11.55 | | | De Silva, Chamindra | | | 1605 | SRI | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Jayaweera, Y | | | 1696 | SRI | 1.00 | 1 | 0.20 | 15 | 3.00 | |
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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