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Individual Calculations November 2023 |
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| Mandanayake, M A Menaka Dinal Total change: -13.20 | |   |
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| Sri Lanka Junior National Chess Championship 2023 | Kandy | SRI | 2023-08-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1045 | 1148 | 1.50 | 4 | -1.06 | 40 | -42.40 | |
|  Samarakoon, Sasndu Ayod | | | 1109 | SRI | 0.00 | 1 | -0.55 | 40 | -22.00 | | | Bandara, L H M C I | | | 1025 | SRI | 0.00 | 1 | -0.67 | 40 | -26.80 | | | Gunathilake, Mosanda Kemitha | | | 1016 | SRI | 0.50 | 1 | -0.18 | 40 | -7.20 | | | Mawalagedara, Pawan Piumal | | | 1031 | SRI | 1.00 | 1 | 0.34 | 40 | 13.60 | |
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) | | | | Kandy Open International Rating Chess Championships 2023 | Kandy | SRI | 2023-09-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1379 | 1148 | 2.00 | 5 | 0.73 | 40 | 29.20 | |
|  Gnanaseelan, Jude Dorison | | | 1541 | SRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Fonseka, C K D | | | 1617 | SRI | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Sampath, Kavindu | | | 1024 | SRI | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Maithripala, W D P N | | | 1416 | SRI | 1.00 | 1 | 0.83 | 40 | 33.20 | | | Peiris, P Gimshan Sathsara | | | 1295 | SRI | 0.00 | 1 | -0.30 | 40 | -12.00 | |
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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