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Individual Calculations February 2018 |
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| Hilwerda, Jonas Total change: -15.60 | |   |
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| Chess Festival Groningen 2017 - Open A | Groningen | NED | 2017-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2098 | 2094 | 3.50 | 9 | -0.96 | 40 | -38.40 | |
|  Dijkstra, Arjan | | | 2153 | NED | 0.00 | 1 | -0.42 | 40 | -16.80 | |  Van Meegen, Ruud | | | 2235 | NED | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Boer, Alef | | | 2088 | NED | 0.00 | 1 | -0.51 | 40 | -20.40 | | | Wedda, Dries | | | 2157 | NED | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Theulings, Paul-Peter | c | | 2089 | NED | 0.00 | 1 | -0.51 | 40 | -20.40 | | | Bekedam, Tyro | | | 2073 | NED | 1.00 | 1 | 0.47 | 40 | 18.80 | | | Van Foreest, Machteld | | | 1989 | NED | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Hommes, Elmar | | | 2039 | NED | 0.00 | 1 | -0.58 | 40 | -23.20 | | | Nicolai, Amir | | | 2059 | NED | 1.00 | 1 | 0.45 | 40 | 18.00 | |
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 Weekendvierkampen 2018 | Wijk aan Zee | NED | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2114 | 2096 | 2.00 | 3 | 0.57 | 40 | 22.80 | |
| | Tijdeman, Frank | | | 2178 | NED | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Ephraim, Olaf | | | 2035 | NED | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Ijzermans, Cees | | | 2128 | NED | 0.50 | 1 | 0.04 | 40 | 1.60 | |
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) | | |
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