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Individual Calculations September 2009 |
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| Van Overdam, Jan Total change: 73.25 | |   |
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| 3e Leiden Chess Tournament | Leiden | NED | 2009-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2145 | 1964 | 4.50 | 8 | 2.37 | 25 | 59.25 | |
|  Ducarmon, Quinten | | | 2201 | NED | 0.00 | 1 | -0.20 | 25 | -5.00 | |  Boyarchenko, Marie | | | 2028 | LUX | 1.00 | 1 | 0.59 | 25 | 14.75 | | | Van Der Raaf, Erik | | | 2175 | NED | 1.00 | 1 | 0.77 | 25 | 19.25 | | | Padmini, Rout | | wm | 2243 | IND | 0.00 | 1 | -0.16 | 25 | -4.00 | | | Pietrow, Andrzej | | | 2113 | NED | 0.50 | 1 | 0.20 | 25 | 5.00 | | | Uthra, P. | | wf | 2063 | IND | 1.00 | 1 | 0.64 | 25 | 16.00 | | | Schroer, Marcel | | | 2128 | NED | 1.00 | 1 | 0.72 | 25 | 18.00 | | | Heemskerk, Wim | f | | 2210 | NED | 0.00 | 1 | -0.19 | 25 | -4.75 | |
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) | | | | Jubilee Open Master 2009 | Zurich | SUI | 2009-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2171 | 1964 | 2.50 | 8 | 0.56 | 25 | 14.00 | |
| | Ketterer, Christian | | | 2270 | GER | 0.00 | 1 | -0.14 | 25 | -3.50 | | | Myers, Goeffrey | | | 2158 | SUI | 0.50 | 1 | 0.25 | 25 | 6.25 | | | Allor, Chukwuka | | | 2151 | NGR | 0.50 | 1 | 0.24 | 25 | 6.00 | | | Serban, Vlad | | | 2173 | LUX | 0.00 | 1 | -0.23 | 25 | -5.75 | | | Astengo, Marcello | | | 2117 | ITA | 0.50 | 1 | 0.20 | 25 | 5.00 | | | Schuh, Dirk | f | | 2304 | GER | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Wuethrich, Lorenz | | | 2128 | SUI | 0.50 | 1 | 0.22 | 25 | 5.50 | | | Zeiler, Klaus | | | 2068 | GER | 0.50 | 1 | 0.14 | 25 | 3.50 | |
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) | | |
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