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Individual Calculations July 2009 |
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| Powierski, Christian Total change: -7.80 | |   |
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| Deutsche Amateurmeisterschaft B | Magdeburg | GER | 2009-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1947 | 1933 | 2.00 | 5 | -0.41 | 15 | -6.15 | |
|  Ibs, Malte | | | 1934 | GER | 0.50 | 1 | 0.00 | 15 | 0.00 | |  Voigt, Detlev | | | 1914 | GER | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Smid, Arend | | | 1969 | GER | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Bachran, Boris | | | 1960 | GER | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Scholbach, Tillmann, Dr. | | | 1957 | GER | 0.50 | 1 | 0.03 | 15 | 0.45 | |
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) | | | | Haspa Schachpokal 2009 | Bargteheide | GER | 2009-05-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2031 | 1933 | 2.50 | 7 | -0.11 | 15 | -1.65 | |
| | Welz, Peter, Dr. | f | | 2143 | GER | 1.00 | 1 | 0.77 | 15 | 11.55 | | | Duchrow, Oliver | | | 2158 | GER | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Magnussen, Helge | | | 2050 | GER | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Schulz, Hans-Juergen | | | 2013 | GER | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Ghadimi, Mohammadreza | | | 2083 | GER | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Rohmann, Volker | | | 1967 | GER | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Lingnau, Diethardt | | | 1800 | GER | 1.00 | 1 | 0.32 | 15 | 4.80 | |
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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