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Individual Calculations April 2009 |
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| De Graaf, Dick Total change: 119.75 | |   |
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| 3A - r 4-5 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2038 | 2052 | 1.00 | 1 | 0.48 | 25 | 12.00 | |
|  Van Der Giessen, Ada | | | 2038 | NED | 1.00 | 1 | 0.48 | 25 | 12.00 | |
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) | | | | 2D - Corus Chess Tournament - Tienkampen | Wijk aan Zee | NED | 2009-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2130 | 2064 | 8.00 | 9 | 4.31 | 25 | 107.75 | |
|  Vlaming, Jos P | | | 2112 | NED | 0.50 | 1 | 0.07 | 25 | 1.75 | | | Roemersma, Aad | | | 2176 | NED | 1.00 | 1 | 0.65 | 25 | 16.25 | | | Van Der Velde, Wytse | | | 1970 | NED | 1.00 | 1 | 0.37 | 25 | 9.25 | | | Osterwald, Elwin | | | 2196 | NED | 1.00 | 1 | 0.68 | 25 | 17.00 | | | Utama, Ivan | c | | 2175 | NED | 1.00 | 1 | 0.65 | 25 | 16.25 | | | Holscher, Peter | | | 2104 | NED | 1.00 | 1 | 0.56 | 25 | 14.00 | | | Slisser, Theo | | | 2145 | NED | 1.00 | 1 | 0.61 | 25 | 15.25 | | | Van Geffen, Ben | | | 2144 | NED | 0.50 | 1 | 0.11 | 25 | 2.75 | | | De Groot, Marco | | | 2147 | NED | 1.00 | 1 | 0.61 | 25 | 15.25 | |
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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