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Individual Calculations August 2023 |
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| Jayasundara, P K U M Total change: -33.60 | |   |
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| Sri Lanka Open Chess Championship 2023 | Colombo | SRI | 2023-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1492 | 1938 | 4.50 | 7 | -1.76 | 20 | -35.20 | |
|  Sandaruwan, K E Dineth | | | 1197 | SRI | 0.00 | 1 | -1.00 | 20 | -20.00 | | | Siriwardene, R B Sithum Nevanjith | | | 1538 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Raveendran, Verroshan | | | 1312 | SRI | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Lakshitha, H H Sasindu | | | 1459 | SRI | 0.50 | 1 | -0.45 | 20 | -9.00 | | | Sandaruwan, M G Ravindu | | | 1425 | SRI | 1.00 | 1 | 0.04 | 20 | 0.80 | | | Peiris, H Pevinya | | wf | 1634 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Dissanayake, R K T | | | 1882 | SRI | 0.00 | 1 | -0.58 | 20 | -11.60 | | | * 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 Team Chess Championship 2023 | Colombo | SRI | 2023-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1685 | 1938 | 4.00 | 5 | 0.08 | 20 | 1.60 | |
| | Gnanaseelan, Jude Dorison | | | 1515 | SRI | 1.00 | 1 | 0.07 | 20 | 1.40 | | | Samaranayake, Pamok Methdinu | | | 1735 | SRI | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Senavin, Dunura | | | 1752 | SRI | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Rathnayake, M A A H | | | 1885 | SRI | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Tennakoon, Lisara Samadhith | | | 1538 * | 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) | | |
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