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Individual Calculations May 2011 |
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| Praczukowski, Stanislaw Total change: -4.50 | |   |
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| Druzynowe Mistrzostwa Mazowsza | Warszawa | POL | 2011-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1859 | 1629 | 1.00 | 3 | 0.24 | 25 | 6.00 | |
|  Rafa, Robert | | | 1957 | POL | 0.00 | 1 | -0.13 | 25 | -3.25 | | | Krasiewicz, Robert | | | 2029 * | POL | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Jedynak, January | | | 1592 | POL | 1.00 | 1 | 0.45 | 25 | 11.25 | | | * 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) | | | | IV Turniej Szachowy Karkonosze | Karpacz | POL | 2011-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1785 | 1629 | 1.50 | 6 | -0.42 | 25 | -10.50 | |
| | Walkusz, Witoslaw | f | | 2029 * | POL | 0.00 | 1 | -0.08 | 25 | -2.00 | |  Winiarski, Mikolaj | | | 1771 | POL | 0.00 | 1 | -0.31 | 25 | -7.75 | | | Aleksandrowicz, Marek | | | 1944 | POL | 0.50 | 1 | 0.36 | 25 | 9.00 | | | Bes, Michal | | | 1883 | POL | 0.00 | 1 | -0.19 | 25 | -4.75 | | | Grela, Kacper | | | 1714 | POL | 0.00 | 1 | -0.38 | 25 | -9.50 | | | Sachnowski, Maciej | | | 1370 | POL | 1.00 | 1 | 0.18 | 25 | 4.50 | | | * 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) | | |
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