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Individual Calculations August 2017 |
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| Ledger, Dave J Total change: 32.80 | |   |
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| 14th South Wales International Open | Cardiff | WLS | 2017-07-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2183 | 2218 | 7.00 | 10 | 1.64 | 20 | 32.80 | |
|  Thomas, Roy | | | 1818 * | WLS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Davis, Lee | | | 1952 | WLS | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Wells, Peter K | g | | 2434 | ENG | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Chatalbashev, Boris | g | | 2552 | BUL | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Bevan, Peter M | | | 1933 | WLS | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Jyothilal, N. | | | 1982 | IND | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Menadue, Jeremy F S | | | 2046 | ENG | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Lauridsen, Jesper Morch | f | | 2247 | DEN | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Jones, Richard S. | m | | 2398 | WLS | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Petrov, Marian | g | | 2466 | BUL | 1.00 | 1 | 0.81 | 20 | 16.20 | | | * 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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