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Individual Calculations January 2009 |
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| Langedijk, Ardjan Total change: -40.05 | |   |
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| Riga Open 2008 | Riga | LAT | 2008-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1973 | 2251 | 2.00 | 5 | -2.14 | 15 | -32.10 | |
|  Veits, Janis | | | 1901 | LAT | 0.50 | 1 | -0.39 | 15 | -5.85 | |  Boreisis, Vitauts | | | 1994 | LAT | 0.00 | 1 | -0.82 | 15 | -12.30 | | | Somova, Nadezda | | | 1987 | LAT | 0.50 | 1 | -0.32 | 15 | -4.80 | | | Selivanovs, Anatolijs | | | 1902 | LAT | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Jesse, Ingemars | | | 2081 | LAT | 0.00 | 1 | -0.72 | 15 | -10.80 | |
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) | | | | 1A - r 1-3 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2243 | 2251 | 1.00 | 3 | -0.53 | 15 | -7.95 | |
| | Lont, Addy | f | | 2306 | NED | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Sinke, Han | | | 2252 | NED | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Both, Bert | | | 2172 | NED | 0.50 | 1 | -0.11 | 15 | -1.65 | |
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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