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Individual Calculations May 2015 |
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| Cobb, James Total change: 1.40 | |   |
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| 4NCL 2014-15 Rounds 7-8 (Div 1 & 2) | Birmingham | ENG | 2015-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2511 | 2434 | 0.50 | 2 | -0.29 | 10 | -2.90 | |
|  Aagaard, Jacob | g | | 2525 | DEN | 0.50 | 1 | 0.12 | 10 | 1.20 | |  Conquest, Stuart C | g | | 2496 | ENG | 0.00 | 1 | -0.41 | 10 | -4.10 | |
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) | | | | 2015 Welsh Chess Championships | Cardiff | WLS | 2015-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2108 | 2434 | 6.50 | 7 | 0.43 | 10 | 4.30 | |
| | Van Kemenade, Rudy | | | 2034 * | WLS | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Brown, Thomas | | | 2042 | WLS | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Blackburn, Joathan Lb | | | 2173 | WLS | 0.50 | 1 | -0.32 | 10 | -3.20 | | | Pleasants, Allan J | | | 2097 | WLS | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Kett, Tim | | | 2216 | WLS | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Morris, Charles F | | | 2149 | WLS | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Jameson, David | | | 2048 | WLS | 1.00 | 1 | 0.09 | 10 | 0.90 | | | * 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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