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Individual Calculations June 2023 |
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| Manuwaruna, Sethun Neththaru Total change: 82.00 | |   |
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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 |
| 1431 | 1353 | 4.00 | 7 | 1.02 | 40 | 40.80 | |
|  Suranga, A M Sasika | | | 1074 | SRI | 1.00 | 1 | 0.16 | 40 | 6.40 | |  Ovitigala, Chenitha Mithvidu | | | 1447 | SRI | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Karunarathne, K M H B | | | 1464 | SRI | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Bandara, Dhanushka | | | 1853 | SRI | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Nagahawatta, Sachin Devinda | | | 1389 | SRI | 0.50 | 1 | 0.05 | 40 | 2.00 | | | Nirwan, G L S P | | | 1136 | SRI | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Seneviratne, Shehan Kavishka | | | 1652 | SRI | 0.00 | 1 | -0.15 | 40 | -6.00 | |
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 |
| 1413 | 1345 | 3.50 | 6 | 1.03 | 40 | 41.20 | |
| | Samarakoon, Sasndu Ayod | | | 1081 | SRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Weerathungalage, W D Malisha Sasv | | | 1604 | SRI | 1.00 | 1 | 0.82 | 40 | 32.80 | | | Madushanka, B W M Malith | | | 1598 | SRI | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Gamage, Ovin Vidmal | | | 1554 | SRI | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Newansa, M Esandi | | | 1537 | SRI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Samarasinghe, Thisum Diwayuru | | | 1105 | SRI | 1.00 | 1 | 0.20 | 40 | 8.00 | |
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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