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Individual Calculations August 2017 |
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| Petrov, Marian Total change: 3.70 | |   |
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| 14th South Wales International Open | Cardiff | WLS | 2017-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2282 | 2466 | 7.50 | 10 | 0.37 | 10 | 3.70 | |
|  Fathallah, Joe | | | 2066 * | WLS | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Ralphs, Nigel | | | 2066 * | WLS | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Lauridsen, Jesper Morch | f | | 2247 | DEN | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Arkell, Keith C | g | | 2424 | ENG | 0.50 | 1 | -0.06 | 10 | -0.60 | | | Jones, Richard S. | m | | 2398 | WLS | 1.00 | 1 | 0.41 | 10 | 4.10 | | | Chatalbashev, Boris | g | | 2552 | BUL | 0.50 | 1 | 0.12 | 10 | 1.20 | | | Wells, Peter K | g | | 2434 | ENG | 0.50 | 1 | -0.04 | 10 | -0.40 | | | Marusenko, Petr | m | | 2162 | UKR | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Rudd, Jack | m | | 2252 | ENG | 1.00 | 1 | 0.23 | 10 | 2.30 | | | Ledger, Dave J | f | | 2218 | ENG | 0.00 | 1 | -0.81 | 10 | -8.10 | | | * 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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