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Individual Calculations December 2019 |
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| Surtees, Mike J Total change: -5.40 | |   |
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| Preston Chess Congress 2019 | Preston | ENG | 2019-11-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2133 | 2103 | 1.50 | 4 | -0.27 | 20 | -5.40 | |
|  Doherty, Paul | | | 1727 | ENG | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Kolbus, Dietmar | m | | 2294 | GER | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Moreby, James | | | 2165 | ENG | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Littlewood, Paul E | m | | 2347 | ENG | 0.00 | 1 | -0.20 | 20 | -4.00 | |
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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