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Rapid:
Individual Calculations October 2017 |
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| Nabil Nazar, Mohamed Total change: 21.80 | |   |
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| 2nd West Asian Youth Rapid Chess Championship 2017 - Under 12 Open | Waskaduwa | SRI | 2017-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1346 | 1239 | 3.50 | 7 | 0.80 | 20 | 16.00 | |
|  De Silva, L M S T | | | 1531 | SRI | 0.00 | 1 | -0.15 | 20 | -3.00 | |  Tishor, S | | | 1103 | SRI | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Dahanayake, Isara Banidu | | | 1593 | SRI | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Mathes Arachchi, Bhanila M | | | 1314 | SRI | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Bandara, W M Malitha | | | 1151 | SRI | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Bentharaarachchi, Vinuga Ometh | | | 1146 | SRI | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Piyumantha, M Thisal Manjith | | | 1584 | SRI | 0.00 | 1 | -0.11 | 20 | -2.20 | |
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) | | | | Inaugural Sri Lanka National Rapid Chess Championship 2017 | Colomno | SRI | 2017-09-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1334 | 1239 | 3.50 | 8 | 0.29 | 20 | 5.80 | |
| | Obeysekara, T A Sajith Chathuran | | | 1639 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Pathirage, Yukitha Kenula Perera | | | 1178 | SRI | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Liyanapathirana, Kasun V | | | 1639 * | SRI | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Gunarathne , Dilshan Akila | | | 1511 | SRI | 0.00 | 1 | -0.17 | 20 | -3.40 | | | Wijerathna, Methma | | | 1034 | SRI | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Perera, Isara Ranmeth | | | 1017 | SRI | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Roshan, K | | | 1363 | SRI | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Rangajeewa , M.g Ravindu Sandaru | | | 1289 | SRI | 0.50 | 1 | 0.07 | 20 | 1.40 | | | * 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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