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Individual Calculations March 2010 |
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| Van Pelt, Alexander Total change: -13.95 | |   |
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| Schaakfestival Groningen 2009 Open B | Groningen | NED | 2009-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1879 | 2083 | 1.00 | 2 | -0.52 | 15 | -7.80 | |
|  Hommes, Elmar | | | 1899 | NED | 0.00 | 1 | -0.74 | 15 | -11.10 | |  Posch, Jan | | | 1858 | NED | 1.00 | 1 | 0.22 | 15 | 3.30 | |
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 2A Round 5-6 - Dutch Team Competition | Various | NED | 2010-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2143 | 2077 | 0.00 | 1 | -0.41 | 15 | -6.15 | |
| | Van `t Kaar, Robbert | | | 2143 | NED | 0.00 | 1 | -0.41 | 15 | -6.15 | |
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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