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Individual Calculations February 2015 |
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| Arp, Frans Total change: 21.00 | |   |
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| Schaakfestival Groningen 2014 Compact A | Groningen | NED | 2014-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2087 | 2041 | 1.50 | 3 | 0.16 | 20 | 3.20 | |
|  Bezemer, Arno | f | | 2273 | NED | 0.00 | 1 | -0.21 | 20 | -4.20 | |  Kuechle, Wolfgang, Dr. | | | 2020 | GER | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Fleur, Tinus | | | 1968 | NED | 0.50 | 1 | -0.10 | 20 | -2.00 | |
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 Chess Tournament 2015 - D3I | Wijk aan Zee | NED | 2015-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2013 | 2041 | 2.50 | 3 | 0.89 | 20 | 17.80 | |
| | Van Randen, Fred | | | 1980 | NED | 0.50 | 1 | -0.08 | 20 | -1.60 | | | Haitsma, Anne | | | 2014 | NED | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Ten Berge, Hans | | | 2046 | NED | 1.00 | 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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