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Individual Calculations September 2009 |
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| Gundersen, Ingvar Total change: -4.20 | |   |
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| Mazovian Chess Festival gr. C | Warszawa | POL | 2009-07-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1667 | 1798 | 2.50 | 5 | -0.75 | 15 | -11.25 | |
|  Cyra, Tomasz | | | 1851 | POL | 0.00 | 1 | -0.43 | 15 | -6.45 | |  Budrewicz, Henryk | | | 1603 | POL | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Sujkowski, Pawel | | | 1891 | POL | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Wilk, Mariusz | | | 1542 | POL | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Hoang Nghia, Le | | | 1446 | POL | 0.50 | 1 | -0.39 | 15 | -5.85 | |
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) | | | | Stockholm Open 2009 | Stockholm | SWE | 2009-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1985 | 1798 | 1.50 | 4 | 0.47 | 15 | 7.05 | |
| | Ranby, Hans | | | 1981 | SWE | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Auby, Johan | | | 1963 | SWE | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Eriksson, Bo | | | 2021 | SWE | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Helin, Mikael | | | 1973 | SWE | 1.00 | 1 | 0.73 | 15 | 10.95 | |
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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