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Individual Calculations August 2017 |
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| Jones, Richard S. Total change: -4.50 | |   |
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| 14th South Wales International Open | Cardiff | WLS | 2017-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2245 | 2398 | 5.50 | 9 | -0.45 | 10 | -4.50 | |
|  Gosling, Brian G E | | | 1998 * | ENG | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Heaven, Pete | | | 2010 | WLS | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Chatalbashev, Boris | g | | 2552 | BUL | 1.00 | 1 | 0.71 | 10 | 7.10 | | | Wells, Peter K | g | | 2434 | ENG | 0.50 | 1 | 0.05 | 10 | 0.50 | | | Petrov, Marian | g | | 2466 | BUL | 0.00 | 1 | -0.41 | 10 | -4.10 | | | Jyothilal, N. | | | 1998 * | IND | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Arkell, Keith C | g | | 2424 | ENG | 0.50 | 1 | 0.04 | 10 | 0.40 | | | Ledger, Dave J | f | | 2218 | ENG | 0.50 | 1 | -0.24 | 10 | -2.40 | | | Pleasants, Allan J | | | 2103 | WLS | 0.00 | 1 | -0.85 | 10 | -8.50 | | | * 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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