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Individual Calculations September 2015 |
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| Shasikumar, Nagarajah Total change: -20.00 | |   |
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| Mercantile / Government Services International Rating Chess Championship 2015 | Colombo | SRI | 2015-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1638 | 1313 | 0.00 | 2 | -0.25 | 40 | -10.00 | |
|  Sandeepa, Hasitha | | | 1645 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Wettasinghe, S V | | | 1631 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | |
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) | | | | National Amateur Chess Championship 2015 | Colombo | SRI | 2015-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1349 | 1313 | 2.00 | 4 | 0.10 | 40 | 4.00 | |
| | Munasinghe, Thisura | | | 1713 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Perera, Mahima | | | 1071 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | | | Sathmina, S L Lalindu | | | 1041 | SRI | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Herath, H M S S A | | | 1569 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | * 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 Open Chess Championship 2015 | Colombo | SRI | 2015-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1251 | 1313 | 2.00 | 4 | -0.35 | 40 | -14.00 | |
| | Jayasuriya, Linali Andrea | | | 1143 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Weerakoon, D D P | | | 1597 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Premaratne, Savin Vindiya | | | 1174 | SRI | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Dissanayake, Praveen Manodya | | | 1088 | SRI | 0.00 | 1 | -0.78 | 40 | -31.20 | |
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) | | |
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