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Individual Calculations July 2009 |
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| Zeidler, Sven P Total change: -1.65 | |   |
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| 4NCL part 3 | Various | ENG | 2008-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2325 | 2224 | 2.50 | 5 | 0.68 | 15 | 10.20 | |
|  Berzinsh, Roland | m | | 2420 | LAT | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Redmond, John P | | | 2199 | IRL | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Beaumont, Chris R | m | | 2317 | ENG | 0.00 | 1 | -0.37 | 15 | -5.55 | |  Taylor, Martin R | f | | 2342 | ENG | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Webb, Laurence E | f | | 2347 | ENG | 1.00 | 1 | 0.67 | 15 | 10.05 | |
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) | | | | Welsh Championship | Cardiff | WLS | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1998 | 2223 | 3.00 | 5 | -0.79 | 15 | -11.85 | |
| | Thomas, James | | | 1873 | WLS | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Turner, Joseph David | | | 1983 | WLS | 0.00 | 1 | -0.80 | 15 | -12.00 | | | Davis, Lee | | | 1954 | WLS | 0.50 | 1 | -0.33 | 15 | -4.95 | | | Wagner, Guy | | | 1873 | WLS | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Rees, Ioan | f | | 2307 | WLS | 0.50 | 1 | 0.12 | 15 | 1.80 | |
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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