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Individual Calculations September 2019 |
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| Dandeniya, D D L N Total change: 37.20 | |   |
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| 4th SSC Open International Rating chess Championship 2019 | Matara | SRI | 2019-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1283 | 1200 | 2.50 | 6 | -0.01 | 40 | -0.40 | |
|  Walisundara, W M U | | | 1600 * | SRI | 0.50 | 1 | 0.42 | 40 | 16.80 | |  Rupasinghe, M H Gayumika | | | 1103 | SRI | 1.00 | 1 | 0.37 | 40 | 14.80 | | | De Silva, S S Gayashan | | | 1462 | SRI | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Rugithan, V | | | 1031 | SRI | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Rukmal, G Thasitha | | | 1492 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | | | Weheragoda, H A Menula | | | 1008 | SRI | 0.00 | 1 | -0.75 | 40 | -30.00 | | | * 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) | | | | 5th Negombo International chess Festival 2019 | Negombo | SRI | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1364 | 1200 | 1.00 | 4 | -0.25 | 40 | -10.00 | |
| | Senevirathne, S D B K | | | 1586 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Nabil Nazar, Mohamed | | | 1381 | SRI | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Kalansooriya, D A | | | 1042 | SRI | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Morais, Sanithu Leander Pamudith | | | 1447 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | |
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) | | | | 9th Kandy Open International Chess Festival 2019 | Kandy | SRI | 2019-08-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1495 | 1200 | 2.00 | 5 | 1.19 | 40 | 47.60 | |
| | Lakshitha, H H Sasindu | | | 1600 * | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Premanath, Prasansa | | | 1488 | SRI | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Karandeniya, Praveen Nuwanjana | | | 1444 | SRI | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Tennakoon, I L K | | | 1570 | SRI | 1.00 | 1 | 0.90 | 40 | 36.00 | | | Hewage, Dinupa Adithya | | | 1375 | SRI | 0.00 | 1 | -0.27 | 40 | -10.80 | | | * 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) | | |
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