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Individual Calculations February 2023 |
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| Van Der Merwe, Alexander Total change: 242.44 | |   |
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| XXXIII Miedzynarodowy Festiwal Szachowy CRACOVIA 2022 Grupa B | Krakow | POL | 2022-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2017 | 1870 | 7.00 | 9 | 4.26 | 38 | 161.88 | |
|  Ilandzis, Spyridon | | | 2003 | GRE | 0.50 | 1 | 0.18 | 38 | 6.84 | |  Horvath, Tomas | | | 2026 | CZE | 1.00 | 1 | 0.71 | 38 | 26.98 | | | Grochol, Kamil | | | 2030 | POL | 1.00 | 1 | 0.71 | 38 | 26.98 | | | Czarnecka, Lidia | | wc | 2018 | POL | 0.50 | 1 | 0.20 | 38 | 7.60 | | | Kejna, Piotr | c | | 2046 | POL | 0.50 | 1 | 0.23 | 38 | 8.74 | | | Skrzynski, Janusz | | | 1993 | POL | 1.00 | 1 | 0.67 | 38 | 25.46 | | | Zielonka, Adam | | | 1990 | POL | 0.50 | 1 | 0.16 | 38 | 6.08 | | | Wilk, Igor | | | 2029 | POL | 1.00 | 1 | 0.71 | 38 | 26.98 | | | Swiderski, Radoslaw | | | 2015 | POL | 1.00 | 1 | 0.69 | 38 | 26.22 | |
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) | | | | PRAGUE OPEN 2023 A - IM open | Prague | CZE | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1959 | 1870 | 5.50 | 9 | 2.12 | 38 | 80.56 | |
| | Jun, Rudolf | | | 2177 | CZE | 0.00 | 1 | -0.14 | 38 | -5.32 | | | Chon, Jeremy | | | 1490 | CZE | 1.00 | 1 | 0.09 | 38 | 3.42 | | | Lacrosse, Marc | f | | 2057 | BEL | 0.00 | 1 | -0.26 | 38 | -9.88 | | | Tomson, Mihkel | | | 1507 | EST | 1.00 | 1 | 0.10 | 38 | 3.80 | | | Kovar, Josef | | | 2038 | CZE | 1.00 | 1 | 0.72 | 38 | 27.36 | | | Nemsadze, Daviti | | | 2071 | GEO | 0.50 | 1 | 0.26 | 38 | 9.88 | | | Lahlum, Hans Olav | | | 2123 | NOR | 1.00 | 1 | 0.81 | 38 | 30.78 | | | Koridze, Lile | | wf | 2139 | GEO | 0.00 | 1 | -0.17 | 38 | -6.46 | | | Skaar, Ben Samuel Groth | | | 2025 | NOR | 1.00 | 1 | 0.71 | 38 | 26.98 | |
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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