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Individual Calculations May 2017 |
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| Dahanayake, Isara Banidu Total change: 114.80 | |   |
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| Sri Lanka Major Division Championship 2017 - Colombo | Colombo | SRI | 2017-03-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1527 | 1522 | 4.00 | 5 | 1.64 | 40 | 65.60 | |
|  Dineth, S A Induwara | | | 1125 | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Sanuda, Rehan | | | 1170 | SRI | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Abeywickrama, S S P | | | 1760 | SRI | 1.00 | 1 | 0.80 | 40 | 32.00 | | | De Silva, Rasheen | | | 1778 | SRI | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Hettiarachchi, C U | | | 1802 | SRI | 0.50 | 1 | 0.34 | 40 | 13.60 | |
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) | | | | Colombo Chess Festival 2017 | Colombo | SRI | 2017-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1426 | 1522 | 5.50 | 8 | 0.66 | 40 | 26.40 | |
| | Weerasiri, H P Sayuni Chamathna | | | 1122 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Akasha, J P Vihanga | | | 1188 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Lasitha, Subash | c | | 1806 | SRI | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Samarakoon, S M T Induwara | | | 1183 | SRI | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Epa, W Bethmee V | | | 1180 | SRI | 0.50 | 1 | -0.38 | 40 | -15.20 | | | Chandira, K W Yasandu | | | 1318 | SRI | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Aluvihare, Shakila | | | 1688 | SRI | 0.50 | 1 | 0.22 | 40 | 8.80 | | | De Silva, Osheen | | | 1922 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | * 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) | | | | National Youth Chess Championship 2017 - Under 12 Boys | Colombo | SRI | 2017-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1309 | 1522 | 6.50 | 8 | 0.57 | 40 | 22.80 | |
| | Hettiarachchi, V A | | | 1122 * | SRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Dilwan, R A D Oshadha | | | 1142 | SRI | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Hewage, Kawithaka Wethmal | | | 1173 | SRI | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Yapabandara, Y | | | 1208 | SRI | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Kithmal, P M Kalindhu | | | 1295 | SRI | 0.50 | 1 | -0.29 | 40 | -11.60 | | | Gunarathne, Senila Amaneth | c | | 1420 | SRI | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Silva, Kevin Ranidu | c | | 1650 | SRI | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Piyumantha, M Thisal Manjith | | | 1460 | SRI | 0.50 | 1 | -0.09 | 40 | -3.60 | | | * 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) | | |
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