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Individual Calculations October 2017 |
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| Gunathilake, K M Sandun T Total change: -13.60 | |   |
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| 3rd Negombo Chess Festival 2017 | Negombo, Sri lanka | SRI | 2017-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1234 | 1392 | 3.00 | 5 | -0.45 | 20 | -9.00 | |
|  Sheshan, H H N | | | 1012 | SRI | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Rathnakumara, H M T N | | | 1105 | SRI | 1.00 | 1 | 0.16 | 20 | 3.20 | |  Wijeratne, W D R T | | | 1167 | SRI | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Bandara, A J K D | | | 1750 | SRI | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Dissanayake, Praveen Manodya | | | 1134 | SRI | 0.00 | 1 | -0.82 | 20 | -16.40 | |
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 Inter University Chess Championship 2017 | Nugegoda | SRI | 2017-09-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1476 | 1392 | 1.00 | 3 | -0.23 | 20 | -4.60 | |
| | Pathirana, Hasitha Jayanth | | | 1463 | SRI | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Galagamaarachchi, A S | | | 1751 | SRI | 0.50 | 1 | 0.40 | 20 | 8.00 | | | Fonseka, Waranakulasuriya Chan C | | | 1214 | SRI | 0.50 | 1 | -0.23 | 20 | -4.60 | |
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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