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Individual Calculations April 2009 |
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| Van Helvoort, Rob Total change: 22.80 | |   |
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| 3E - r 4-5 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2226 | 2224 | 0.00 | 1 | -0.50 | 15 | -7.50 | |
|  Luberti, Wim | | | 2226 | USA | 0.00 | 1 | -0.50 | 15 | -7.50 | |
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) | | | | 2Z - Corus Chess Tournament - Tienkampen | Wijk aan Zee | NED | 2009-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2166 | 2204 | 7.00 | 9 | 2.02 | 15 | 30.30 | |
|  Punt, Roland | | | 2145 | NED | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Etmans, Maarten D | f | | 2154 | NED | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Strugnell, Carl | | | 2254 | FRA | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Paaske, Asger | | | 2137 | DEN | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Jap Tjoen San, Linda | | wm | 2164 | NED | 0.50 | 1 | -0.06 | 15 | -0.90 | | | Happel, Hendrik A | f | | 2199 | NED | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Van Hengel, Hugo | | | 2198 | NED | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Lieverst, Paul | | | 2095 | NED | 0.00 | 1 | -0.65 | 15 | -9.75 | | | Van Oosten, Arend | | | 2149 | NED | 0.50 | 1 | -0.08 | 15 | -1.20 | |
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) | | |
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