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Individual Calculations April 2019 |
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| Sivathanujan, S Total change: -19.20 | |   |
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| Battle of the Kings 2019 | Colombo | SRI | 2019-02-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1277 | 1594 | 2.00 | 3 | -0.56 | 20 | -11.20 | |
|  Attanayaka, A M P M | | | 1417 | SRI | 0.00 | 1 | -0.73 | 20 | -14.60 | |  Senarathna, Santhush | | | 1219 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | De Alwis, Tharun Anjalo | | | 1194 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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 National Major Division Chess Championship 2019 - Jaffna | Jaffna | SRI | 2019-03-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1345 | 1594 | 3.50 | 5 | -0.40 | 20 | -8.00 | |
| | Sulaxan, K | | | 1217 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Selvakumar, Thangarajah | | | 1309 | SRI | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Judedorison, G | | | 1377 | SRI | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Arthigan, J | | | 1194 * | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Nirmalarajah, S | | | 1630 | SRI | 0.50 | 1 | 0.05 | 20 | 1.00 | | | * 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) | | |
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