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Blitz:
Individual Calculations November 2023 |
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| De Silva, Osheen Total change: -77.20 | |   |
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| Negombo International Blitz Chess Festival 2023 | Gampaha | SRI | 2023-08-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1279 | 1601 | 4.50 | 8 | -2.37 | 20 | -47.40 | |
|  Kiringoda, Resandi Numaya | | | 1201 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Bandaranayake, Dehan Randilu | | | 1166 | SRI | 0.50 | 1 | -0.44 | 20 | -8.80 | | | Punchihewa, Kokila Prageeth | | | 1297 | SRI | 1.00 | 1 | 0.14 | 20 | 2.80 | | | Gowsalyan, S | | | 1407 | SRI | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Kodithuwakku, K K Dinujaya | | | 1230 | SRI | 0.00 | 1 | -0.90 | 20 | -18.00 | | | Wijerathna, Vinuka Dihain | | | 1393 | SRI | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Perera, H A Lisanda Vinsith | | | 1183 | SRI | 0.00 | 1 | -0.93 | 20 | -18.60 | | | Karunasena, A P Chenitha Sihas Di | | | 1358 | SRI | 0.00 | 1 | -0.80 | 20 | -16.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 blitz Chess Championships 2023 | Kandy | SRI | 2023-09-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1167 | 1601 | 6.00 | 9 | -2.39 | 20 | -47.80 | |
| | Beligala, Binula Sithmira | | | 1037 | SRI | 1.00 | 1 | 0.02 | 20 | 0.40 | | | Damsara , K D Dineth | | | 1201 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Munasinghe, M A D D D | | | 1196 | SRI | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Piumaja, W D H | | | 1229 | SRI | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Meedeniya, Ravindu Malintha | | | 1173 | SRI | 0.00 | 1 | -0.93 | 20 | -18.60 | | | Gunawardena, E R Thyagi | | | 1166 | SRI | 1.00 | 1 | 0.06 | 20 | 1.20 | | | Bandara, L R D B | | | 1204 | SRI | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Siriwimala , Sanula Vihas | | | 1103 | SRI | 1.00 | 1 | 0.04 | 20 | 0.80 | | | Saparamadu, Sanali | | | 1193 | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 Blitz team Chess Championship 2023 | Colombo | SRI | 2023-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1435 | 1601 | 5.50 | 7 | 0.90 | 20 | 18.00 | |
| | Fernando, W Gaviru R | | | 1113 | SRI | 1.00 | 1 | 0.04 | 20 | 0.80 | | | Rajawasala, R U D Janith Dulmina | | | 1115 | SRI | 1.00 | 1 | 0.04 | 20 | 0.80 | | | Karunaratne, D C J | | | 2004 | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Vidyarathna, Anjitha | | | 1554 | SRI | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Kodithuwakku, K K Dinujaya | | | 1230 | SRI | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Suraweera, Shanul Nethru | | | 1201 * | SRI | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gamage, Chathulanka | | | 1830 | SRI | 1.00 | 1 | 0.79 | 20 | 15.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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