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Individual Calculations January 2009 |
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| Nguyen, Piotr Total change: 29.85 | |   |
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| LXI Warsaw Chess Championship | Warszawa | POL | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2323 | 2329 | 6.00 | 8 | 1.95 | 15 | 29.25 | |
|  Przedmojski, Rafal | | | 2396 | POL | 0.50 | 1 | 0.09 | 15 | 1.35 | |  Sznapik, Krzysztof | | | 2240 | POL | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Lagowski, Patryk | m | | 2344 | POL | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Motyka, Michal | f | | 2331 | POL | 0.00 | 1 | -0.50 | 15 | -7.50 | | | Nurkiewicz, Maciej | | | 2384 | POL | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Rudolf, Michal | f | | 2396 | POL | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Marszalek, Maciej | | | 2355 | POL | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Przybyla, Kamil | | | 2134 | POL | 1.00 | 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) | | | | 51st YMCA Golden Autumn 2008 | Warszawa | POL | 2008-10-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2365 | 2327 | 4.50 | 10 | 0.04 | 15 | 0.60 | |
| | Przedmojski, Rafal | | | 2386 | POL | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Matuszewski, Michal | | | 2266 | POL | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Kosiorek, Marek | | | 2374 | POL | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Dworakowska, Joanna | m | wg | 2363 | POL | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Krysztofiak, Marcin | m | | 2434 | POL | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Przedmojski, Rafal | | | 2386 | POL | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Matuszewski, Michal | | | 2266 | POL | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Kosiorek, Marek | | | 2374 | POL | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Dworakowska, Joanna | m | wg | 2363 | POL | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Krysztofiak, Marcin | m | | 2434 | POL | 0.50 | 1 | 0.15 | 15 | 2.25 | |
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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