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Individual Calculations February 2013 |
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| Hummel, Dick Total change: -7.20 | |   |
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| Schaakfestival Groningen 2012 Compact A | Groningen | NED | 2012-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2115 | 1905 | 0.00 | 4 | -0.95 | 30 | -28.50 | |
|  Wubben, Marcel | | | 2100 | NED | 0.00 | 1 | -0.25 | 30 | -7.50 | |  Boersma, Jan | | | 2086 | NED | 0.00 | 1 | -0.26 | 30 | -7.80 | | | Clemens, Adrian | f | | 2226 | NED | 0.00 | 1 | -0.13 | 30 | -3.90 | | | Hiemstra, Jan | | | 2047 | NED | 0.00 | 1 | -0.31 | 30 | -9.30 | |
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) | | | | Tata Steel Chess Tournament 2013 Tienkampen 4A | Wijk aan Zee | NED | 2013-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1875 | 1905 | 4.50 | 7 | 0.71 | 30 | 21.30 | |
| | Hartgers, Leendert | | | 1845 | NED | 1.00 | 1 | 0.42 | 30 | 12.60 | | | Schoor, Carl | | | 1915 | NED | 1.00 | 1 | 0.51 | 30 | 15.30 | | | Vergeer, Michiel | | | 1826 | NED | 0.50 | 1 | -0.11 | 30 | -3.30 | | | Van Pinxteren, Gerard | | | 1877 | NED | 1.00 | 1 | 0.46 | 30 | 13.80 | | | Van Tuyl, Wim | | | 1896 | NED | 0.00 | 1 | -0.51 | 30 | -15.30 | | | Bollaart, Jeroen | | | 1895 | NED | 0.00 | 1 | -0.51 | 30 | -15.30 | | | Gattuso, Christophe | | | 1870 | FRA | 1.00 | 1 | 0.45 | 30 | 13.50 | |
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) | | |
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