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Individual Calculations May 2012 |
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| Sands, David A Total change: -3.75 | |   |
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| Welsh Championship 2012 | Cardiff | WLS | 2012-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2090 | 2239 | 4.50 | 7 | -0.25 | 15 | -3.75 | |
|  Robinson, David | | | 1943 | WLS | 0.50 | 1 | -0.35 | 15 | -5.25 | |  White, Ernest M | | | 1919 | ENG | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Brown, Thomas | | | 2082 | WLS | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Fathallah, Joe | | | 1956 | WLS | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Rees, Ioan | f | | 2259 | WLS | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Jones, Richard S. | m | | 2395 | WLS | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Jameson, David | | | 2076 | WLS | 0.50 | 1 | -0.22 | 15 | -3.30 | |
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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