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Individual Calculations September 2023 |
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| Brzezina, Piotr Total change: 77.60 | |   |
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| SUMMER PRAGUE OPEN 2023 - A - IM open | Praha | CZE | 2023-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1962 | 2037 | 5.50 | 9 | 0.31 | 40 | 12.40 | |
|  Ahlam, Rashed | | | 1704 | UAE | 1.00 | 1 | 0.12 | 40 | 4.80 | |  Shehzad, Shazil | f | | 2301 | NOR | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Van Zyl, Charlize | | wm | 1839 | RSA | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Felix, Raphael | | | 1637 * | RSA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Serrano Salvador, Eduardo | f | | 2260 | CZE | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Clarke, James | | | 1695 | ENG | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Beeck, Mats | | | 2180 | GER | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Michalowski, Patryk | | | 1868 | POL | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Kawulok, Marek | | | 2173 | CZE | 0.50 | 1 | 0.18 | 40 | 7.20 | | | * 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) | | | | Szachy w Ustroniu lacza pokolenia 2023 - Grupa A | Ustron | POL | 2023-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2048 | 2037 | 5.50 | 8 | 1.63 | 40 | 65.20 | |
| | Klusak, Piotr | | | 1946 | POL | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Warchol, Kamil | f | | 2102 | POL | 0.50 | 1 | 0.09 | 40 | 3.60 | | | Radecki, Adam | | | 2012 | POL | 0.50 | 1 | -0.03 | 40 | -1.20 | | | Majewski, Krzysztof | | | 1868 | POL | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Szczurek, Krzysztof | f | | 2195 | POL | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Wilk, Igor | | | 2098 | POL | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Madajczak, Piotr | | | 2072 | POL | 0.50 | 1 | 0.05 | 40 | 2.00 | | | Lecki, Leonard | | | 2090 | POL | 1.00 | 1 | 0.57 | 40 | 22.80 | |
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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