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Individual Calculations April 2009 |
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| Petri, Alexander Total change: 3.30 | |   |
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| Deutsche Amateurmeisterschaft A | Hamburg-Bergedorf | GER | 2009-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2168 | 2136 | 2.50 | 5 | 0.22 | 15 | 3.30 | |
|  Jordan, Juergen | | | 2228 | GER | 0.50 | 1 | 0.13 | 15 | 1.95 | |  Wagner, Ralph | | | 2151 | GER | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Porth, Hartmut | | | 2187 | GER | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Gollasch, Theo-Heinz | | | 2104 | GER | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Henrich, Holger | | | 2168 | GER | 0.50 | 1 | 0.04 | 15 | 0.60 | |
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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