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Individual Calculations September 2021 |
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| Praczukowski, Stanislaw Total change: 8.60 | |   |
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| V Miedzynarodowy Memorial Ireny Warakomskiej - Open A | Suwalki | POL | 2021-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2109 | 2156 | 4.00 | 9 | -1.09 | 20 | -21.80 | |
|  Szpar, Milosz | f | | 2392 | POL | 0.00 | 1 | -0.20 | 20 | -4.00 | |  Jankowiak, Piotr | | | 2039 | POL | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Golenia, Wojciech | | | 2102 | POL | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Maj, Pawel | | | 2113 | POL | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Derylo, Kamil | | | 2062 | POL | 0.50 | 1 | -0.13 | 20 | -2.60 | | | Karolczuk, Iwo | | | 2129 | POL | 0.00 | 1 | -0.54 | 20 | -10.80 | | | Krainski, Aleksander | f | | 2066 | POL | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Valantiejus, Vaidotas | | | 2124 | LTU | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Backiel, Hubert | | | 1955 | POL | 0.50 | 1 | -0.26 | 20 | -5.20 | |
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) | | | | 57th Akiba Rubinstein Chess Festival - OPEN A | Polanica-Zdroj | POL | 2021-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2169 | 2073 | 5.00 | 9 | 1.52 | 20 | 30.40 | |
| | Cyborowski, Lukasz | g | | 2473 * | POL | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Dzhuguryan, Tygran | | | 2214 | POL | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Kosakowski, Jakub | m | | 2429 | POL | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Kejna, Piotr | c | | 1722 | POL | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Marszalek, Maciej | f | | 2303 | POL | 0.50 | 1 | 0.29 | 20 | 5.80 | | | Kowalczyk, Rafal | | | 2272 | POL | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Topola, Rafal | | | 1878 | POL | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Majocha, Piotr | | | 1978 | POL | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Zochowski, Kacper | f | | 2254 | POL | 0.50 | 1 | 0.24 | 20 | 4.80 | | | * 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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