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Individual Calculations December 2012 |
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| Vedder, Henk Total change: -8.90 | |   |
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| Unive Open 2012 | Hoogeveen | NED | 2012-10-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2190 | 2378 | 5.00 | 9 | -1.61 | 10 | -16.10 | |
|  Sadallah, Osama | | | 2126 | NED | 1.00 | 1 | 0.19 | 10 | 1.90 | |  Kerigan, Demre | | | 2238 | TUR | 0.50 | 1 | -0.19 | 10 | -1.90 | | | Vedder, Richard | f | | 2267 | NED | 0.50 | 1 | -0.15 | 10 | -1.50 | | | Van Foreest, Jorden | | | 2225 | NED | 0.00 | 1 | -0.70 | 10 | -7.00 | | | Vogel, Jaap | f | | 2158 | NED | 0.50 | 1 | -0.28 | 10 | -2.80 | | | Heemskerk, Wim | f | | 2254 | NED | 1.00 | 1 | 0.33 | 10 | 3.30 | | | Ben Artzi, Ido | | | 2286 | ISR | 0.00 | 1 | -0.63 | 10 | -6.30 | | | Kollen, Zyon | | | 2174 | NED | 0.50 | 1 | -0.26 | 10 | -2.60 | | | Van Foreest, Lucas | | | 1978 * | NED | 1.00 | 1 | 0.08 | 10 | 0.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Dutch Team Competition 12-13 - Meester - round 3-4 | various | NED | 2012-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2281 | 2383 | 2.00 | 2 | 0.72 | 10 | 7.20 | |
| | Meurs, Tom | | | 2235 | NED | 1.00 | 1 | 0.30 | 10 | 3.00 | | | Grooten, Herman | m | | 2326 | NED | 1.00 | 1 | 0.42 | 10 | 4.20 | |
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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