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Blitz:
Individual Calculations February 2019 |
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| Cobb, James Total change: 17.40 | |   |
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| South Wales January Blitz 2019 | Chepstow | WLS | 2019-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1977 | 2367 | 10.00 | 10 | 0.87 | 20 | 17.40 | |
|  Blackmore, Simon | | | 1967 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Jukes, Sam | | | 1967 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | James, Dai | | | 1967 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Gilbert, Jonathan A. | | | 1994 | WLS | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Brown, Thomas | | | 1979 | WLS | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Fathallah, Joe | | | 1973 | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Saunders, Walter N. R. | | | 2025 | WLS | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Di-Vetta, Andrew | | | 1967 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Taylor, Robert Graham | | | 1967 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Carter, Neil | | | 1967 * | WLS | 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) | | |
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