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Individual Calculations February 2018 |
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| Dekker, Albert Total change: -93.20 | |   |
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| Chess Festival Groningen 2017 - Compact B | Groningen | NED | 2017-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1805 | 1849 | 0.50 | 4 | -1.74 | 40 | -69.60 | |
|  Verhoef, Harry | | | 1812 | NED | 0.00 | 1 | -0.55 | 40 | -22.00 | |  Shakhverdian, William | | | 1797 | NED | 0.50 | 1 | -0.07 | 40 | -2.80 | | | Van Dongen, Rob | | | 1882 | NED | 0.00 | 1 | -0.45 | 40 | -18.00 | | | Santema, Tjeerd | | | 1727 | NED | 0.00 | 1 | -0.67 | 40 | -26.80 | |
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 Weekendvierkampen 2018 | Wijk aan Zee | NED | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1794 | 1849 | 0.50 | 3 | -1.21 | 40 | -48.40 | |
| | Broek, Barry | | | 1628 | NED | 0.00 | 1 | -0.78 | 40 | -31.20 | | | Struben, Jeroen | | | 1908 | CAN | 0.50 | 1 | 0.08 | 40 | 3.20 | | | Schilthuizen, Sander | | | 1845 | NED | 0.00 | 1 | -0.51 | 40 | -20.40 | |
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 Dagvierkampen 2018 | Wijk aan Zee | NED | 2018-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1893 | 1849 | 1.50 | 2 | 0.62 | 40 | 24.80 | |
| | Van Der Bent, Gideon | | | 1967 | NED | 0.50 | 1 | 0.16 | 40 | 6.40 | | | De Jager, Leo | | | 1818 | NED | 1.00 | 1 | 0.46 | 40 | 18.40 | |
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) | | |
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