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Individual Calculations February 2019 |
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| Elgersma, Simon Total change: -47.40 | |   |
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| Chess Festival Groningen 2018 - Open A | Groningen | NED | 2018-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2160 | 2200 | 3.50 | 9 | -1.51 | 40 | -60.40 | |
|  Ladva, Ottomar | g | | 2497 | EST | 0.00 | 1 | -0.15 | 40 | -6.00 | |  Van Randtwijk, Mick | | | 2030 | NED | 0.00 | 1 | -0.72 | 40 | -28.80 | | | Van Leusden, Dennis | | | 2016 | NED | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Nicolai, Amir | | | 2074 | NED | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Hilwerda, Jonas | | | 2128 | NED | 1.00 | 1 | 0.40 | 40 | 16.00 | | | De Boer, Eelke | f | | 2327 | NED | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Zwirs, Jasper | | | 2127 | NED | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Simet, Martin | f | | 2229 | CZE | 0.00 | 1 | -0.46 | 40 | -18.40 | | | Keuning, Selwin | | | 2013 | NED | 0.00 | 1 | -0.74 | 40 | -29.60 | |
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) | | | NOTE: K factor changed | | Oberliga Nord-West 2018/2019 January 2019 | various | GER | 2019-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2306 | 2195 | 1.00 | 1 | 0.65 | 20 | 13.00 | |
| | Ewert, Hannes | f | | 2306 | GER | 1.00 | 1 | 0.65 | 20 | 13.00 | |
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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