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Individual Calculations July 2009 |
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| Ratajczyk, Rafal Total change: -12.90 | |   |
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| Lower Silesian's Leagues | Dolny Slask | POL | 2008-10-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1928 | 1872 | 4.00 | 9 | 0.05 | 15 | 0.75 | |
|  Chrzanowski, Michal | | | 1965 | POL | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Siwik, Rafal | | | 2031 | POL | 1.00 | 1 | 0.71 | 15 | 10.65 | |  Cajbel, Maciej | | | 2222 | POL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Morzywolek, Pawel | | | 1834 | POL | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Brzechffa, Szymon | | | 1614 | POL | 0.50 | 1 | -0.32 | 15 | -4.80 | | | Bronsztejn, Wojciech | | | 1695 | POL | 0.50 | 1 | -0.23 | 15 | -3.45 | | | Kulas, Szymon | | | 1881 | POL | 0.50 | 1 | 0.01 | 15 | 0.15 | | | Kolasinski, Krzysztof | | | 1887 | POL | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Ilczuk, Piotr | | | 2222 | POL | 0.00 | 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) | | | | Mistrzostwa Polski Juniorów do 16 lat w szachach | Chotowa | POL | 2009-03-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1928 | 1908 | 4.50 | 11 | -0.81 | 15 | -12.15 | |
| | Barski, Radoslaw | | | 2180 | POL | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Somyk, Marcin | | | 1779 | POL | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Chomski, Maciej | | | 1822 | POL | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Polarczyk, Pawel | | | 1778 | POL | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Witek, Tomasz | | | 2170 | POL | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Grabowski, Adam | | | 1788 | POL | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Lorek, Milosz | | | 1950 | POL | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Sobaniec, Dominik | | | 1792 | POL | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Polok, Kacper | | | 2058 | POL | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Weichhold, Pawel | | | 2133 | POL | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Tomczyk, Szymon | | | 1754 | POL | 0.50 | 1 | -0.21 | 15 | -3.15 | |
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) | | | | 4th POL Academic Champ. Open A | Wroclaw | POL | 2009-04-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2128 | 1904 | 2.50 | 7 | 0.92 | 15 | 13.80 | |
| | Butkiewicz, Lukasz | | | 2254 | POL | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Bielavsky, Jiri | | | 2080 | CZE | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Czaus, Piotr | | | 2021 | POL | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Korosciel, Aneta | | | 2043 | POL | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Kasparova, Tatiana | | wm | 2189 | BLR | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Gawronski, Miroslaw | | | 2209 | POL | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Hermanowicz, Dominika | | | 2099 | POL | 0.00 | 1 | -0.25 | 15 | -3.75 | |
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) | | | | Wrolcaw's Youth Olimpiad | Wroclaw | POL | 2009-06-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1638 | 1904 | 3.00 | 5 | -1.02 | 15 | -15.30 | |
| | Zyla, Agata | | | 1554 | POL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Lachowicz, Judyta | | | 1648 | POL | 0.50 | 1 | -0.31 | 15 | -4.65 | | | Cukrowski, Filip | | | 1870 | POL | 0.00 | 1 | -0.55 | 15 | -8.25 | | | Chenska, Karolina | | | 1554 | POL | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Wojciech, Daniel | | | 1564 | POL | 0.50 | 1 | -0.38 | 15 | -5.70 | |
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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