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Individual Calculations March 2011 |
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| Grottke, Hans-Joachim, Dr. Total change: -2.85 | |   |
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| 35.Potsdamer Weihnachtsturnier | Potsdam | GER | 2010-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1963 | 2223 | 5.50 | 7 | -0.19 | 15 | -2.85 | |
|  Cech, Tim | | | 1823 * | GER | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Perestjuk, Marko | | | 1944 | GER | 0.50 | 1 | -0.34 | 15 | -5.10 | | | Bachran, Boris | | | 1944 | GER | 0.50 | 1 | -0.34 | 15 | -5.10 | | | Petrak, Falk | | | 1950 | GER | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Krefenstein, Sergej | | | 1998 | GER | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Cremer, Jan Paul | | | 2003 | GER | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Hahlbohm, Matthias | | | 2076 | GER | 1.00 | 1 | 0.30 | 15 | 4.50 | | | * 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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