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Individual Calculations February 2023 |
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| Herath, H M J R Total change: 90.25 | |   |
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| Asia Schools CC 2022- U 15 O | Kaluthara | SRI | 2022-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1451 | 1278 | 5.00 | 9 | 2.30 | 25 | 57.50 | |
|  Saravanabaavan, Brijeash | | | 1757 | SRI | 0.00 | 1 | -0.05 | 25 | -1.25 | |  Rathnanjali, M A Thakshala | | | 1130 | SRI | 1.00 | 1 | 0.30 | 25 | 7.50 | | | Sagynbekova, Alsu | | | 1437 | KGZ | 1.00 | 1 | 0.71 | 25 | 17.75 | | | Kodithuwakku, K K Dinujaya | | | 1405 | SRI | 0.50 | 1 | 0.17 | 25 | 4.25 | | | Dharmasena, W M S S B | | | 1379 | SRI | 0.00 | 1 | -0.36 | 25 | -9.00 | | | Weerasekara, Dinul Vinsitha | | | 1358 | SRI | 1.00 | 1 | 0.61 | 25 | 15.25 | | | Gamage, Desandhi Dhihansa | | | 1612 | SRI | 1.00 | 1 | 0.88 | 25 | 22.00 | | | Pallie, Ehsha Mishela | | wc | 1521 | SRI | 0.00 | 1 | -0.20 | 25 | -5.00 | | | Jayasundara, J M Daham V | | | 1463 | SRI | 0.50 | 1 | 0.24 | 25 | 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) | | | | Ethugalpura Open International Rating Chess Championships 2022 | Kurunegala | SRI | 2022-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1203 | 1278 | 4.50 | 7 | 0.06 | 25 | 1.50 | |
| | Javeenarsh, L | | | 1086 | SRI | 0.50 | 1 | -0.25 | 25 | -6.25 | | | Dewnith, M M Methopa | | | 1016 | SRI | 1.00 | 1 | 0.18 | 25 | 4.50 | | | Bandara, Dhanushka | | | 1852 | SRI | 0.00 | 1 | -0.02 | 25 | -0.50 | | | Katheesan, U | | | 1060 | SRI | 1.00 | 1 | 0.22 | 25 | 5.50 | | | Wickramarathne, D Jehan Randil | | | 1133 | SRI | 0.50 | 1 | -0.19 | 25 | -4.75 | | | De Silva, K H Kalpa | | | 1128 | SRI | 1.00 | 1 | 0.30 | 25 | 7.50 | | | Siriwimala , Sanula Vihas | | | 1143 | SRI | 0.50 | 1 | -0.18 | 25 | -4.50 | |
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 |
| 1291 | 1278 | 4.00 | 6 | 1.09 | 25 | 27.25 | |
| | Gunaratne, Chivath Dathesha | | | 1077 | SRI | 1.00 | 1 | 0.24 | 25 | 6.00 | | | Gamage, Ovin Vidmal | | | 1558 | SRI | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Kirimetiyawa, R A H M Sujeewa | | | 1055 | SRI | 1.00 | 1 | 0.22 | 25 | 5.50 | | | Gihanga, M L | | | 1086 | SRI | 1.00 | 1 | 0.25 | 25 | 6.25 | | | Deshappriya, D Kalindu | | | 1486 | SRI | 1.00 | 1 | 0.77 | 25 | 19.25 | | | Sathsindu, W M Minura | | | 1485 | SRI | 0.00 | 1 | -0.23 | 25 | -5.75 | |
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 |
| 1412 | 1278 | 2.00 | 5 | 0.16 | 25 | 4.00 | |
| | Weerasekara, Dishal Nimsara | | | 1714 | SRI | 0.00 | 1 | -0.06 | 25 | -1.50 | | | Jayasuriya, Charinu Sithsara Mith | | | 1110 | SRI | 1.00 | 1 | 0.28 | 25 | 7.00 | | | Newansa, M Esandi | | | 1527 | SRI | 0.00 | 1 | -0.19 | 25 | -4.75 | | | Weerakoon, D D P | | | 1657 | SRI | 0.00 | 1 | -0.09 | 25 | -2.25 | | | De Silva, M W Sanuth Nihinsa | | | 1053 | SRI | 1.00 | 1 | 0.22 | 25 | 5.50 | |
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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