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Individual Calculations September 2009 |
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| Hoeksema, Erik Total change: 18.80 | |   |
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| Atlantistoernooi 2009 Promotiegroep | Groningen | NED | 2009-07-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2134 | 2309 | 6.50 | 8 | 0.73 | 10 | 7.30 | |
|  Manfred, Kroencke | | | 2121 | GER | 1.00 | 1 | 0.26 | 10 | 2.60 | |  Nick, Bijlsma | | | 1982 | NED | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Geon, Knol | | | 2070 | NED | 1.00 | 1 | 0.20 | 10 | 2.00 | | | Erik-Jan, Hummel | | | 2236 | NED | 0.50 | 1 | -0.10 | 10 | -1.00 | | | Bert, Van Der Marel | | | 2226 | NED | 1.00 | 1 | 0.39 | 10 | 3.90 | | | Jan, Joris Groenewold | | | 2117 | NED | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Jan, Balje | | | 2202 | NED | 0.50 | 1 | -0.15 | 10 | -1.50 | | | Milan, Mostertman | | | 2119 | NED | 0.50 | 1 | -0.25 | 10 | -2.50 | |
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) | | | | Dutch Open | Dieren | NED | 2009-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2317 | 2309 | 5.50 | 9 | 1.15 | 10 | 11.50 | |
| | Uthra, P. | | wf | 2063 | IND | 0.50 | 1 | -0.31 | 10 | -3.10 | | | Boulahfa, Hicham | | | 2022 | NED | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Timman, Jan H | g | | 2569 | NED | 0.00 | 1 | -0.18 | 10 | -1.80 | | | De Groote, Ewoud | | | 2206 | NED | 1.00 | 1 | 0.36 | 10 | 3.60 | | | De Ruiter, Danny | | | 2003 | NED | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Swinkels, Robin | g | | 2516 | NED | 0.50 | 1 | 0.27 | 10 | 2.70 | | | Hendriks, Willy | m | | 2444 | NED | 0.50 | 1 | 0.18 | 10 | 1.80 | | | Adhiban, B. | m | | 2481 | IND | 0.50 | 1 | 0.23 | 10 | 2.30 | | | Nijboer, Friso | g | | 2552 | NED | 0.50 | 1 | 0.30 | 10 | 3.00 | |
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) | | |
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