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Individual Calculations January 2009 |
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| Wempe, Joost Total change: -13.65 | |   |
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| 2A - r 1-3 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2120 | 2291 | 1.50 | 3 | -0.67 | 15 | -10.05 | |
|  Lesger, Morrison | | | 2078 | NED | 0.00 | 1 | -0.77 | 15 | -11.55 | |  Mijnheer, Peter | | | 2191 | NED | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Groenewold, Jan Joris | | | 2091 | NED | 1.00 | 1 | 0.24 | 15 | 3.60 | |
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 |
| 2272 | 2291 | 4.50 | 9 | -0.24 | 15 | -3.60 | |
| | Gupta, Abhijeet | g | | 2580 | IND | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Galje, Hans | | | 2121 | NED | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Haast, Anne | | | 2054 | NED | 0.50 | 1 | -0.30 | 15 | -4.50 | | | Van Delft, Merijn | m | | 2402 | NED | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Hendriks, Richard | | | 2116 | NED | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Jellema, Yme Jan | | | 2130 | NED | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Vul, Arkadi Eremeevich | g | | 2351 | RUS | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Humphrey, Jonathan | f | | 2330 | AUS | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Van Eijk, Sander | f | | 2366 | NED | 0.00 | 1 | -0.40 | 15 | -6.00 | |
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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