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Individual Calculations June 2023 |
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| Gunathilaka, M H Mesandu Nithwara Total change: 0.00 | |   |
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| Supr Knights Open International Rating Chess Championship 2023 | Colombo | SRI | 2023-04-01 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1183 | 0 | 4.50 | 8 | 0.00 | 1203 | | 0.00 | |
|  Gunawardhana, Devindya Oshini | | | 1656 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |  Premarathna, Sanithu Dulsith | | | 1014 | SRI | 0.50 | 1 | 0.00 | | 0.00 | | | Waidyasekara, R H Risara Geeneth | | | 1097 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Bulathgama, Sasvidu Suhasvin | | | 1216 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Amarathunga, Venuri | | | 1095 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | De Silva, D Nawam Sarojen | | | 1153 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Nirushiya, A | | | 1087 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Perera, Sachith Lakshan | | | 1146 | SRI | 1.00 | 1 | 0.00 | | 0.00 | |
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) | | | | Sri Lanka National Youth Chess Championship 2023 - Under 12Yrs Open | Colombo | SRI | 2023-04-06 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1156 | 0 | 3.50 | 6 | 0.00 | 1176 | | 0.00 | |
| | Abhayaratna, Ometh | | | 1146 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Pramothan, N | | | 1169 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Liyanage, La P A | | | 1194 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Karunasena, A A Chanul | | | 1242 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Sasikumar, Ajeesh | | | 1013 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Devasurendra, Menuksha Sahen | | | 1171 | SRI | 0.50 | 1 | 0.00 | | 0.00 | |
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 | Rp | K | K*chg | Game |
| 1251 | 0 | 3.00 | 7 | 0.00 | 1201 | | 0.00 | |
| | Basnayake, B M Thesandu Aken | | | 1442 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Kannangara, Ranul Insitha | | | 1156 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Kottage, K M Nilash Nethul | | | 1173 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Perera, H A Lisanda Vinsith | | | 1464 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Nandasiri, Omiru | | | 1176 | SRI | 0.00 | 1 | 0.00 | | 0.00 | | | Geenura, A P Kumitha Thimeth | | | 1158 | SRI | 1.00 | 1 | 0.00 | | 0.00 | | | Siriwardene, R B Sithum Nevanjith | | | 1191 | SRI | 0.00 | 1 | 0.00 | | 0.00 | |
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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