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Individual Calculations March 2010 |
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| Jellema, Yme Jan Total change: -12.15 | |   |
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| Schaakfestival Groningen 2009 Open A | Groningen | NED | 2009-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2242 | 2193 | 4.00 | 9 | -0.11 | 15 | -1.65 | |
|  Meijers, Viesturs | g | | 2488 | LAT | 0.00 | 1 | -0.15 | 15 | -2.25 | |  Ernst, Sipke | g | | 2587 | NED | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Groenewold, Jan Joris | | | 2145 | NED | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Efroimski, Marsel | | wf | 2150 | ISR | 0.50 | 1 | -0.06 | 15 | -0.90 | | | Bijlsma, Nick | | | 2075 | NED | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Hirth, Ulrich | | | 2108 | GER | 0.00 | 1 | -0.62 | 15 | -9.30 | | | Slagter, David | | | 2108 | NED | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Sparenberg, Erik | | | 2072 | NED | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Popilski, Gil | c | | 2441 | ISR | 0.00 | 1 | -0.19 | 15 | -2.85 | |
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) | | | | Klasse 1A Round 5-6 - Dutch Team Competition | Various | NED | 2010-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2312 | 2199 | 0.00 | 2 | -0.70 | 15 | -10.50 | |
| | De Rover, Yong Hoon | | | 2246 | NED | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Odendahl, Reiner | f | | 2377 | GER | 0.00 | 1 | -0.27 | 15 | -4.05 | |
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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