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Individual Calculations April 2009 |
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| Chomski, Maciej Total change: 19.20 | |   |
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| XIX Miedzynarodowy Festiwal Szachowy CRACOVIA'2008, Gr-B | Krakow | POL | 2008-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1791 | 1802 | 5.50 | 9 | 0.90 | 15 | 13.50 | |
|  Pourramezanali, Amirreza | | | 2077 | IRI | 0.00 | 1 | -0.17 | 15 | -2.55 | |  Wozniak, Mariola | | | 1565 | POL | 0.00 | 1 | -0.80 | 15 | -12.00 | | | Pitynski, Pawel | | | 1668 | POL | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Gromala, Radoslaw | | | 1497 | POL | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Daniel, Jiri | | | 2007 | CZE | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Sygnet, Maciej | | | 1589 | POL | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Bednarczyk, Damian | | | 1913 | POL | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Sadzikowski, Marian | | | 1895 | POL | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Blaszkiewicz, Mateusz | | | 1905 | POL | 1.00 | 1 | 0.64 | 15 | 9.60 | |
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) | | | | Grand Prix Gorzowa | Gorzow Wlkp | POL | 2009-01-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1839 | 1822 | 0.00 | 2 | -0.98 | 15 | -14.70 | |
| | Czerwonski, Aleksander | m | | 2172 | POL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Gromala, Radoslaw | | | 1505 | POL | 0.00 | 1 | -0.87 | 15 | -13.05 | |
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) | | | | 2nd Karkonosze Open A | Karpacz | POL | 2009-03-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1950 | 1822 | 4.50 | 9 | 1.36 | 15 | 20.40 | |
| | Rutkowski, Maciej | m | | 2172 | POL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Swiderski, Radoslaw | | | 1725 | POL | 1.00 | 1 | 0.37 | 15 | 5.55 | | | Pietruszewski, Marcin | | | 2027 | POL | 1.00 | 1 | 0.76 | 15 | 11.40 | | | Sowul, Bartosz | | | 2012 | POL | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Ogonowska, Katarzyna | | | 1859 | POL | 0.50 | 1 | 0.05 | 15 | 0.75 | | | Rykala, Monika | | | 1646 | POL | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Galyga, Jozef | | | 1906 | POL | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Lada, Ireneusz | | | 2172 | POL | 1.00 | 1 | 0.89 | 15 | 13.35 | | | Goluch, Piotr | | | 2027 | POL | 0.00 | 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) | | |
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