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Individual Calculations February 2015 |
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| Jager, Mark Total change: -5.20 | |   |
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| Schaakfestival Groningen 2014 Compact B | Groningen | NED | 2014-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1847 | 1806 | 0.50 | 2 | -0.39 | 40 | -15.60 | |
|  Kunnen, Ruurd | | | 1931 | NED | 0.50 | 1 | 0.17 | 40 | 6.80 | |  Sipkema, Willem | | | 1762 | NED | 0.00 | 1 | -0.56 | 40 | -22.40 | |
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 2015 - D4D | Wijk aan Zee | NED | 2015-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1715 | 1806 | 1.50 | 2 | 0.26 | 40 | 10.40 | |
| | Piel, Ruben | | | 1804 | NED | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Kuijs, Gerard | | | 1625 | NED | 0.50 | 1 | -0.24 | 40 | -9.60 | |
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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