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Individual Calculations May 2011 |
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| Hummel, Joop Total change: -25.20 | |   |
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| NOSBO kampioenschap 2011 | Groningen | NED | 2011-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1967 | 1986 | 0.00 | 2 | -1.04 | 15 | -15.60 | |
|  Groenewold, Jan Joris | | | 2157 | NED | 0.00 | 1 | -0.27 | 15 | -4.05 | |  Salihbegovic, Edim | | | 1777 | BIH | 0.00 | 1 | -0.77 | 15 | -11.55 | |
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 Team Competition - 3A - round 7-8 | Various | NED | 2011-03-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2121 | 1986 | 0.00 | 2 | -0.64 | 15 | -9.60 | |
| | Kamstra, Jippe | | | 2120 | NED | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Sijbesma, Rienk | | | 2121 | NED | 0.00 | 1 | -0.32 | 15 | -4.80 | |
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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