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Individual Calculations February 2013 |
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| Mostertman, Johan Total change: 18.75 | |   |
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| Schaakfestival Groningen 2012 Compact B | Groningen | NED | 2012-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1869 | 1858 | 2.00 | 3 | 0.54 | 15 | 8.10 | |
|  Roorda, Maarten | | | 1866 | NED | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Van Der Sanden, Martien | | | 1868 | NED | 0.50 | 1 | 0.01 | 15 | 0.15 | |  Weverling, Ferry | | | 1872 | NED | 1.00 | 1 | 0.52 | 15 | 7.80 | |
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) | | | | Tata Steel Chess Tournament 2013 Dag 4D | Wijk aan Zee | NED | 2013-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1749 | 1858 | 2.00 | 2 | 0.71 | 15 | 10.65 | |
| | Hovens, Leo | | | 1818 | NED | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Krousos, Panayis | | | 1680 | GRE | 1.00 | 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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