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Individual Calculations February 2017 |
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| Sipkema, Willem Total change: -3.60 | |   |
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| Chessfestival Groningen 2016 - Compact B | Groningen | NED | 2016-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1809 | 1868 | 2.00 | 4 | -0.32 | 40 | -12.80 | |
|  Banning, Cees | | | 1770 | NED | 0.50 | 1 | -0.13 | 40 | -5.20 | | | Reichardt, Monica | | | 1764 | NED | 1.00 | 1 | 0.36 | 40 | 14.40 | |  Bosboom, Ardin | | | 1856 | NED | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Hoomans, Peter | | | 1847 | NED | 0.00 | 1 | -0.53 | 40 | -21.20 | |
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) | | | NOTE: K factor changed | | Tata Steel Chess Tournament 2017 - Weekendvierkampen | Wijk aan Zee | NED | 2017-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2034 | 1857 | 1.00 | 2 | 0.46 | 20 | 9.20 | |
| | Dudink, Bas | | | 1974 | NED | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Kokje, Joris | | | 2093 | NED | 0.00 | 1 | -0.20 | 20 | -4.00 | |
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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