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Individual Calculations November 2015 |
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| Chamathka, Weerasinghe A Chethan Total change: 7.20 | |   |
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| Buddhi International Rating Chess Championship 2015 | Gampaha | SRI | 2015-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1490 | 1150 | 0.50 | 4 | 0.02 | 40 | 0.80 | |
|  Samaranayake, K P R N | | | 1550 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Perera, Thilina | | | 1510 | SRI | 0.50 | 1 | 0.40 | 40 | 16.00 | | | Kalinga, Kalindu Kusalwin | | | 1409 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Attanayake, Manuji Nisansala | | | 1489 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | * 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) | | | | Negombo Chess Festival 2015 | Negombo | SRI | 2015-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1551 | 1196 | 0.50 | 3 | 0.16 | 40 | 6.40 | |
| | Lakshitha, H H Sasindu | | | 1596 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Tennakoon, I L K | | | 1596 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Kiriella, K G Nimesha Shalinda | | | 1461 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | * 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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