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Individual Calculations April 2009 |
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| Roering, Ed Total change: 9.00 | |   |
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| 2C - r 4-5 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2105 | 2145 | 1.50 | 2 | 0.40 | 15 | 6.00 | |
|  Rademakers, Maarten | | | 1962 | NED | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Bakker, Jan | | | 2248 | NED | 1.00 | 1 | 0.64 | 15 | 9.60 | |
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) | | | | 2A - Corus Chess Tournament - Tienkampen | Wijk aan Zee | NED | 2009-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2128 | 2152 | 5.00 | 9 | 0.20 | 15 | 3.00 | |
| | Caoili, Arianne | | wm | 2182 | AUS | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Hummel, Joop | | | 1997 | NED | 0.50 | 1 | -0.21 | 15 | -3.15 | |  Vroombout, Enrico | | | 2168 | NED | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Testa, Adriano | | | 2124 | ITA | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Kroencke, Manfred | | | 2149 | GER | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Stork, Ornett J. | | | 2129 | NED | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Coenen, Eduard | | | 2154 | NED | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Ahlers, Ben | | | 2168 | NED | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Heijboer, Pieter | | | 2078 | NED | 0.50 | 1 | -0.10 | 15 | -1.50 | |
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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