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Individual Calculations January 2009 |
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| Hoffman, Ron Total change: -23.25 | |   |
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| 1B - r 1-3 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2295 | 2165 | 0.00 | 1 | -0.32 | 15 | -4.80 | |
|  Kuijpers, Frans | m | | 2295 | NED | 0.00 | 1 | -0.32 | 15 | -4.80 | |
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) | | | | Essent Open | Hoogeveen | NED | 2008-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2255 | 2165 | 1.50 | 7 | -1.23 | 15 | -18.45 | |
|  Hort, Vlastimil | g | | 2478 | GER | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Humphrey, Jonathan | f | | 2330 | AUS | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Bitalzadeh, Ali | f | | 2370 | NED | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Archangelsky, Mikhail | m | | 2276 | RUS | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Haitsma, Anne | | | 2107 | NED | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Potze, Rudolf | | | 2105 | NED | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Galje, Hans | | | 2121 | NED | 0.00 | 1 | -0.56 | 15 | -8.40 | |
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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