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Individual Calculations July 2009 |
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| Hapke, Ralf Total change: 4.55 | |   |
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| 13.Internat.Neckar-Open B | Deizisau | GER | 2009-04-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1680 | 1928 | 2.50 | 3 | 0.08 | 25 | 2.00 | |
|  Gheng, Hannelore | | | 1649 | GER | 1.00 | 1 | 0.16 | 25 | 4.00 | |  Kuehnel, Lena | | | 1728 | GER | 0.50 | 1 | -0.26 | 25 | -6.50 | | | Weber, Daniel | | | 1663 | GER | 1.00 | 1 | 0.18 | 25 | 4.50 | |
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) | | | NOTE: K factor changed | | 16.Janaer/Muehlhaeuser Schach-Open | Jena | GER | 2009-05-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2101 | 1928 | 1.50 | 4 | 0.37 | 15 | 5.55 | |
| | Wendling, Hannes | | | 2132 | GER | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Kupfer, Michael, Dr. | | | 2215 | GER | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Schoeffler, Helmut | | | 2091 | GER | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Koch, Herbert | | | 1966 | GER | 1.00 | 1 | 0.55 | 15 | 8.25 | |
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) | | | NOTE: K factor changed | | 14. Reutlinger Open | Reutlingen | GER | 2009-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1964 | 1928 | 1.00 | 2 | 0.05 | 15 | 0.75 | |
| | Chetverik, Maxim | m | | 2278 | RUS | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Gheng, Hannelore | | | 1649 | GER | 1.00 | 1 | 0.16 | 15 | 2.40 | |
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) | | | NOTE: K factor changed | | 20.Seebach Open | Grossenseebach | GER | 2009-06-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1975 | 1928 | 1.50 | 4 | -0.25 | 15 | -3.75 | |
| | Quaschner, Tobias | | | 1952 | GER | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Rosin, Ralf | | | 2059 | GER | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Schoebel, Klaus | | | 1817 | GER | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Fiedler, Wolfgang | | | 2070 | GER | 0.00 | 1 | -0.31 | 15 | -4.65 | |
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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