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Individual Calculations February 2015 |
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| Heemskerk, Wim Total change: 32.00 | |   |
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| Schaakfestival Groningen 2014 Open A | Groningen | NED | 2014-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2187 | 2169 | 4.50 | 9 | 0.10 | 20 | 2.00 | |
|  Werle, Jan | g | | 2531 | NED | 0.00 | 1 | -0.10 | 20 | -2.00 | |  Gieben, Stijn | | | 2062 | NED | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Fluit, Johnny | | | 2081 | NED | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Beukema, Stefan | f | | 2364 | BEL | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Gutkind, Kedem | | | 2064 | NED | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Van Foreest, Lucas | | | 2319 | NED | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Sparenberg, Erik | | | 2105 | NED | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Ebralidze, Alexandre | | | 2128 | GEO | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Dijkstra, Arjan | | | 2029 | NED | 1.00 | 1 | 0.31 | 20 | 6.20 | |
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) | | | | Tata Steel Chess Tournament 2015 - T2A | Wijk aan Zee | NED | 2015-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2127 | 2169 | 6.50 | 9 | 1.50 | 20 | 30.00 | |
| | Blanchard, Jack | | | 2181 | NED | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Schroer, Marcel | | | 2164 | NED | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Haselhorst, Helmut | | | 2101 | GER | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Van Den Bergh, Ben | | | 1967 | NED | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Vrancken, Gilbert | | | 2221 | NED | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Pauw, Martijn | | | 2045 | NED | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Den Hartog, Marijn | | | 2186 | NED | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Schoehuijs, Erik | | | 2135 | NED | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Stap, Kees | | | 2145 | NED | 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) | | |
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