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Individual Calculations February 2020 |
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| Van Den Akker, Guus Total change: -16.00 | |   |
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| Tata Steel Weekendvierkampen 2020 | Wijk aan Zee | NED | 2020-01-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1917 | 1919 | 0.50 | 2 | -0.50 | 20 | -10.00 | |
|  Smits, Eduard | | | 1843 | NED | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Godde, Matthias | | | 1991 | BEL | 0.00 | 1 | -0.40 | 20 | -8.00 | |
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) | | | | Tata Steel Dagvierkampen 2020 | Wijk aan Zee | NED | 2020-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1969 | 1919 | 1.00 | 3 | -0.30 | 20 | -6.00 | |
| | Van Putten, Mark | | | 1999 | NED | 0.50 | 1 | 0.11 | 20 | 2.20 | |  Ephraim, Olaf | | | 1994 | NED | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Postema, Wim | | | 1913 | NED | 0.00 | 1 | -0.51 | 20 | -10.20 | |
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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