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Individual Calculations July 2009 |
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| Kelm, Marcel Total change: -4.35 | |   |
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| Oberliga NRW | Duesseldorf | GER | 2008-09-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2276 | 2029 | 0.00 | 2 | -0.40 | 25 | -10.00 | |
|  Lehmann, Holger | | | 2235 | GER | 0.00 | 1 | -0.24 | 25 | -6.00 | | | Schmitz, Joachim | | | 2317 | GER | 0.00 | 1 | -0.16 | 25 | -4.00 | |
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) | | | | Oster-Open 2009 | Oberhausen | GER | 2009-04-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2188 | 1973 | 0.50 | 3 | -0.18 | 25 | -4.50 | |
|  Pak, Raman | | | 2223 | BLR | 0.00 | 1 | -0.19 | 25 | -4.75 | | | Patscha, Elias | | | 2176 | GER | 0.50 | 1 | 0.26 | 25 | 6.50 | | | Joergens, Markus | | | 2165 | GER | 0.00 | 1 | -0.25 | 25 | -6.25 | |
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) | | | | 24.Ruhrhalbinsel Open | Essen | GER | 2009-05-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2254 | 1973 | 0.50 | 2 | 0.16 | 25 | 4.00 | |
| | Sandkamp, Ralph | | | 2323 | GER | 0.50 | 1 | 0.39 | 25 | 9.75 | | | Barthel, Ansgar | | | 2185 | GER | 0.00 | 1 | -0.23 | 25 | -5.75 | |
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) | | | NOTE: K factor changed | | 16.Grossenbaumer Pfingstopen | Duisburg | GER | 2009-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2148 | 1973 | 1.50 | 4 | 0.41 | 15 | 6.15 | |
| | Mazarov, Juergen | | | 2177 | GER | 0.50 | 1 | 0.26 | 15 | 3.90 | | | Nowaczynski, Mathias | | | 2113 | GER | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Schorra, Helmut | | | 2151 | GER | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Stefkovic, Marijan | | | 2149 | GER | 0.50 | 1 | 0.23 | 15 | 3.45 | |
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) | | |
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