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Individual Calculations February 2023 |
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| Kavisekara, Manula Heshan Total change: 145.20 | |   |
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| Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1444 | 1169 | 2.00 | 5 | 1.10 | 40 | 44.00 | |
|  Thennakoon, Disara | | | 1384 | SRI | 1.00 | 1 | 0.77 | 40 | 30.80 | |  Gamage, Ovin Vidmal | | | 1558 | SRI | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Amarathunga, Kosala Sandeepa Cham | | | 1423 | SRI | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Wilvalaarachchi, Oneli Omaya | | | 1343 | SRI | 1.00 | 1 | 0.73 | 40 | 29.20 | | | Gunasekara, W A N Senpathi | | | 1511 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | |
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) | | | | Kandy Open International Rating Chess Championships 2022 | Kandy | SRI | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1545 | 1169 | 3.00 | 6 | 2.39 | 40 | 95.60 | |
| | Suranjith, K W A | | | 1547 | SRI | 1.00 | 1 | 0.91 | 40 | 36.40 | | | Jayawardana, Chenuka Nethvidu | | | 1479 | SRI | 1.00 | 1 | 0.86 | 40 | 34.40 | | | Wettasinha, Vasanta | | | 1533 | SRI | 1.00 | 1 | 0.90 | 40 | 36.00 | | | Tennakoon, Lisara Samadhith | | | 1717 | SRI | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Hemachandra, P R T M | | | 1505 | SRI | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Deshappriya, D Kalindu | | | 1486 | SRI | 0.00 | 1 | -0.13 | 40 | -5.20 | |
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) | | | | Kaluthara International Chess Festival 2023 | Kaluthara | SRI | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1443 | 1169 | 0.50 | 2 | 0.14 | 40 | 5.60 | |
| | Weerathungalage, W D Malisha Sasv | | | 1529 | SRI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Pradeep, Nishantha | | | 1356 | SRI | 0.50 | 1 | 0.24 | 40 | 9.60 | |
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) | | |
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