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Individual Calculations February 2013 |
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| Tulfer, Paul Total change: 16.05 | |   |
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| Schaakfestival Groningen 2012 Compact B | Groningen | NED | 2012-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1910 | 1867 | 1.50 | 3 | 0.17 | 15 | 2.55 | |
|  Bey, Jan | | | 1903 | NED | 0.00 | 1 | -0.45 | 15 | -6.75 | |  Van Dongen, Rob | | | 1949 | NED | 0.50 | 1 | 0.11 | 15 | 1.65 | | | De Graaf, Arnoud | | | 1877 | NED | 1.00 | 1 | 0.51 | 15 | 7.65 | |
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 4H | Wijk aan Zee | NED | 2013-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1830 | 1867 | 2.00 | 2 | 0.90 | 15 | 13.50 | |
| | Erin, Igor | | | 1740 | NED | 1.00 | 1 | 0.33 | 15 | 4.95 | | | De Veij, Ton | | | 1920 | NED | 1.00 | 1 | 0.57 | 15 | 8.55 | |
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) | | |
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