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Individual Calculations April 2009 |
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| De Rooi, Paul Total change: -21.15 | |   |
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| 1A - r 4-5 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2048 | 2064 | 0.00 | 1 | -0.52 | 15 | -7.80 | |
|  Van Dommelen, Martin | | | 2048 | NED | 0.00 | 1 | -0.52 | 15 | -7.80 | |
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) | | | | 3E - Corus Chess Tournament - Tienkampen | Wijk aan Zee | NED | 2009-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2023 | 2059 | 3.50 | 8 | -0.89 | 15 | -13.35 | |
| | Beukema, Henk Jan | | | 2028 | NED | 1.00 | 1 | 0.46 | 15 | 6.90 | |  Huijzer, Jacques | | | 2041 | NED | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Breedveld, Andre | | | 2101 | NED | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Van De Hooven, Evert | | | 1984 | NED | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Boulahfa, Hicham | | | 1992 | NED | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Van Der Beek, Ruud | | | 1988 | NED | 0.50 | 1 | -0.10 | 15 | -1.50 | | | De Haas, Maarten | | | 1996 | NED | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Morice, Ludovic | | | 2056 | FRA | 0.50 | 1 | 0.00 | 15 | 0.00 | |
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) | | |
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