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Individual Calculations April 2008 |
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| Klinkhammer, Johan Total change: 23.75 | |   |
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| Dutch Team Competition - 2A - round 5-6 | Various | NED | 2007-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2178 | 2013 | 0.50 | 1 | 0.22 | 25 | 5.50 | |
|  Van `t Kaar, Robbert | | | 2178 | NED | 0.50 | 1 | 0.22 | 25 | 5.50 | |
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) | | | | Harmonie Open B | Groningen | NED | 2007-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1913 | 2013 | 2.00 | 2 | 0.73 | 25 | 18.25 | |
|  Posch, Jan | | | 1964 | NED | 1.00 | 1 | 0.43 | 25 | 10.75 | | | Dijkstra, Maarten | | | 1861 | NED | 1.00 | 1 | 0.30 | 25 | 7.50 | |
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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