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Individual Calculations June 2023 |
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| Sivathanujan, S Total change: 19.40 | |   |
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| Supr Knights Open International Rating Chess Championship 2023 | Colombo | SRI | 2023-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1527 | 1833 | 8.00 | 9 | 0.79 | 20 | 15.80 | |
|  Vithanage, P N | | | 1433 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Akuratiya, A G Hansadie Aradhya | | | 1222 | SRI | 1.00 | 1 | 0.02 | 20 | 0.40 | | | Nanayakkara, Sanuk | | | 1412 | SRI | 1.00 | 1 | 0.07 | 20 | 1.40 | | | Insara, S D Nadev | | | 1464 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Laksiri, A A Kavishka Gimshan | | | 1485 | SRI | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Galappaththi, Chinthaka Anuruddh | f | | 1973 | SRI | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Weerathungalage, W D Malisha Sasv | | | 1459 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Bandara, Dhanushka | | | 1853 | SRI | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Induwara, T H D Thisarindu | | | 1446 | SRI | 0.50 | 1 | -0.41 | 20 | -8.20 | | | * 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) | | | | 5th SSC Open International Rating Chess Championship 2023 | Matara | SRI | 2023-04-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1321 | 1833 | 1.00 | 2 | -0.91 | 20 | -18.20 | |
| | Gallage, Chathumi Tharika | | | 1433 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Rambukwella, Ruwanya Sethumli | | | 1209 | SRI | 0.00 | 1 | -0.99 | 20 | -19.80 | | | * 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) | | | | Colombo International Chess Festival 2023 | Colombo | SRI | 2023-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1444 | 1809 | 7.00 | 8 | 0.02 | 20 | 0.40 | |
| | Vithanage, P N | | | 1409 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Wimalasiri, Ransith Pabalu | | | 1318 | SRI | 0.50 | 1 | -0.46 | 20 | -9.20 | | | Nimsara, M A Nethuka | | | 1174 | SRI | 1.00 | 1 | 0.01 | 20 | 0.20 | | | Insara, S D Nadev | | | 1406 | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gamage, Ovin Vidmal | | | 1554 | SRI | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Rajawasala, R U D Janith Dulmina | | | 1417 | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Laksiri, A A Kavishka Gimshan | | | 1619 | SRI | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Janukshan, B | | | 1652 | SRI | 1.00 | 1 | 0.29 | 20 | 5.80 | | | * 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) | | | | 1st Rahulians International Chess Festival 2023 | Matara | SRI | 2023-05-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1583 | 1809 | 7.00 | 8 | 1.07 | 20 | 21.40 | |
| | Prabodya, K A Dilshani | | | 1409 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Nimthaka, U J Nimuthu | | | 1287 | SRI | 1.00 | 1 | 0.03 | 20 | 0.60 | | | Deshappriya, D Kalindu | | | 1380 | SRI | 1.00 | 1 | 0.07 | 20 | 1.40 | | | Laksiri, A A Kavishka Gimshan | | | 1619 | SRI | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Chandrasekara, Pranieth | | | 1768 | SRI | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Amarasinghe, A A C B | c | | 1843 | SRI | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Samaranayake, Pamok Methdinu | | | 1682 | SRI | 1.00 | 1 | 0.33 | 20 | 6.60 | | | De Silva, Osheen | | | 1676 | SRI | 0.50 | 1 | -0.18 | 20 | -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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