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Individual Calculations September 2009 |
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| Beijerinck, Nick Total change: 21.60 | |   |
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| Intomart GfK Open 2009 | Hilversum | NED | 2009-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2140 | 1985 | 2.00 | 8 | -0.36 | 15 | -5.40 | |
|  De Groote, Ewoud | | | 2191 | NED | 0.00 | 1 | -0.24 | 15 | -3.60 | |  De Graaf, Dick | | | 2184 | NED | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Wismeijer, Jeroen | | | 2122 | NED | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Kabos, Tobias | | | 2109 | NED | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Schroer, Marcel | | | 2140 | NED | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Goes, Sten | | | 2127 | NED | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Henseler, Jorgen | | | 2097 | NED | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Galje, Hans | | | 2152 | NED | 0.00 | 1 | -0.28 | 15 | -4.20 | |
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) | | | | Dutch Open | Dieren | NED | 2009-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2170 | 2022 | 3.50 | 9 | 0.73 | 15 | 10.95 | |
| | Otte, Marijn | f | | 2298 | NED | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Theulings, Paul-Peter | c | | 2162 | NED | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Van Der Velden, Bram | | | 2210 | NED | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Henseler, Jorgen | | | 2087 | NED | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Ellenbroek, Ton | | | 2115 | NED | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Van Veen, Oscar | f | | 2233 | NED | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Bloemhard, Rudy | | | 2109 | NED | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Laarhoven, Thijs | | | 2222 | NED | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Van Den Bergh, Peter | | | 2095 | NED | 1.00 | 1 | 0.60 | 15 | 9.00 | |
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) | | | | Hogeschool Zeeland Chess Tournament 2009 | Vlissingen | NED | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2236 | 2022 | 2.50 | 6 | 1.07 | 15 | 16.05 | |
| | Tiggelman, Rene | | | 2250 | NED | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Ducarmon, Quinten | | | 2201 | NED | 1.00 | 1 | 0.73 | 15 | 10.95 | | | Beliavsky, Alexander G | g | | 2422 * | SLO | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Van Weersel, Arlette | | wm | 2204 | NED | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Verduyn, Frederic | f | | 2183 | BEL | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Haak, Eelco | | | 2154 | NED | 1.00 | 1 | 0.68 | 15 | 10.20 | | | * 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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