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Individual Calculations April 2009 |
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| Van Geffen, Ben Total change: -10.05 | |   |
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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 |
| 2190 | 2146 | 0.00 | 2 | -0.88 | 15 | -13.20 | |
|  Lacrosse, Marc | f | | 2202 | BEL | 0.00 | 1 | -0.42 | 15 | -6.30 | |  Dek, Lennart | | | 2178 | NED | 0.00 | 1 | -0.46 | 15 | -6.90 | |
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) | | | | 2D - Corus Chess Tournament - Tienkampen | Wijk aan Zee | NED | 2009-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2121 | 2144 | 5.00 | 9 | 0.21 | 15 | 3.15 | |
| | Utama, Ivan | c | | 2175 | NED | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Holscher, Peter | | | 2104 | NED | 1.00 | 1 | 0.44 | 15 | 6.60 | | | Slisser, Theo | | | 2145 | NED | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Van Der Velde, Wytse | | | 1970 | NED | 0.50 | 1 | -0.23 | 15 | -3.45 | | | De Groot, Marco | | | 2147 | NED | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Vlaming, Jos P | | | 2112 | NED | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Roemersma, Aad | | | 2176 | NED | 1.00 | 1 | 0.54 | 15 | 8.10 | | | De Graaf, D | | | 2064 | NED | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Osterwald, Elwin | | | 2196 | NED | 1.00 | 1 | 0.57 | 15 | 8.55 | |
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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