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Individual Calculations February 2017 |
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| Ephraim, Olaf Total change: 23.00 | |   |
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| Tata Steel Chess Tournament 2017 - Weekendvierkampen | Wijk aan Zee | NED | 2017-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2045 | 2006 | 1.50 | 2 | 0.61 | 20 | 12.20 | |
|  Zilverberg, Jasper | | | 2061 | NED | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Vukojevic, Philippe | | | 2029 | BEL | 0.50 | 1 | 0.03 | 20 | 0.60 | |
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) | | | | Tata Steel Chess Tournament 2017 - Dagvierkampen | Wijk aan Zee | NED | 2017-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2016 | 2006 | 2.00 | 3 | 0.54 | 20 | 10.80 | |
|  Schoeber, Peter | | | 2028 | NED | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Van Putten, Mark | | | 1932 | NED | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Jansen, Norbert | | | 2089 | NED | 1.00 | 1 | 0.61 | 20 | 12.20 | |
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) | | |
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