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Individual Calculations May 2019 |
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| Hoffmann, Piotr Total change: 8.80 | |   |
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| MISTRZOSTWA SEKCJI L.K.S. PIAST SREM 2019 | Srem | POL | 2019-02-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1849 | 1649 | 2.00 | 9 | -0.25 | 20 | -5.00 | |
|  Kozlowska, Marzena | | | 1890 | POL | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Lisiecki, Robert | | | 1820 | POL | 0.50 | 1 | 0.23 | 20 | 4.60 | |  Tomczak, Michal | | | 2025 | POL | 0.00 | 1 | -0.09 | 20 | -1.80 | | | Kaczmarek, Piotr | | | 1733 | POL | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Wlodarczak, Damian | | | 1750 | POL | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Skrzypczak, Michal | | | 1858 | POL | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Simon, Marek | | | 1904 | POL | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Wojtkowski, Pawel | | | 1877 | POL | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Kolinski, Stanislaw | | | 1783 | POL | 0.50 | 1 | 0.18 | 20 | 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) | | | | IV Wielkopolska Liga Seniorów Grupa A 2018-2019 Round 7 | Poznan | POL | 2019-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1611 | 1653 | 0.00 | 1 | -0.56 | 20 | -11.20 | |
| | Koper, Konrad | | | 1611 | POL | 0.00 | 1 | -0.56 | 20 | -11.20 | |
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) | | | | III Mistrzostwa Polski Seniorek i Seniorow w szachach | Ustron-Jaszowiec | POL | 2019-04-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1764 | 1645 | 4.50 | 9 | 1.25 | 20 | 25.00 | |
| | Klimaszewski, Dariusz | c | | 2045 * | POL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Radwan, Jan | | | 1388 | POL | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Drazek, Wladyslaw | | | 1896 | POL | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Balcerczak, Ewa | | | 1394 | POL | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Gromczak, Dariusz | | | 1838 | POL | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Ruszczycki, Jacek | | | 1794 | POL | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Grossmann, Ryszard | f | | 2010 | POL | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Kulejewski, Lech | | | 1769 | POL | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Santura, Janusz | | | 1738 | POL | 0.50 | 1 | 0.13 | 20 | 2.60 | | | * 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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