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Individual Calculations September 2009 |
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| Ptak, Pavel Total change: -4.35 | |   |
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| Int. Chess Holiday 2009 - M31 | Prague | CZE | 2009-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2101 | 2209 | 5.50 | 9 | -0.29 | 15 | -4.35 | |
|  Erneker, Josef | | | 2291 | CZE | 1.00 | 1 | 0.61 | 15 | 9.15 | |  Moravec, Vit | | | 2053 | CZE | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Rada, Michal | | | 2114 | CZE | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Taylor, Robert Graham | | | 2063 | WLS | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Herejk, Petr | | | 2174 | CZE | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Nilsson, Patrik | | | 2021 | SWE | 0.00 | 1 | -0.74 | 15 | -11.10 | | | Michalek, Frantisek | | | 2152 | CZE | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Koper, Stefan | | | 2024 | CZE | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Hentzgen, Thomas | | | 2014 | GER | 1.00 | 1 | 0.25 | 15 | 3.75 | |
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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