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Individual Calculations June 2023 |
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| Migala, Andrzej Total change: 0.60 | |   |
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| 2023 IBCA European Team Chess Championship for the Blind and Visually Impaired | Genova | ITA | 2023-04-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1856 | 1938 | 1.00 | 2 | -0.23 | 20 | -4.60 | |
|  Dyballa, Gerhard | | | 1912 | GER | 0.50 | 1 | -0.04 | 20 | -0.80 | |  Muri, Emil | | | 1799 | SLO | 0.50 | 1 | -0.19 | 20 | -3.80 | |
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) | | | | Final Mistrzostw Polski Niewidomych i Slabowidzacych w szachach 2023 | Wisla | POL | 2023-05-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1943 | 1922 | 4.50 | 9 | 0.26 | 20 | 5.20 | |
| | Falkowski, Dawid | | | 1895 | POL | 0.50 | 1 | -0.04 | 20 | -0.80 | | | Dukaczewski, Piotr | m | | 2091 | POL | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Spionkowski, Fabian | | | 1682 | POL | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Suder, Ryszard | | | 2011 | POL | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Wolanski, Michal | | | 1978 | POL | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Chojnowski, Marcin | | | 2035 | POL | 1.00 | 1 | 0.65 | 20 | 13.00 | | | Stachanczyk, Jacek | m | | 2147 | POL | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Pawelec, Bartosz | | | 1937 | POL | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Debowska, Teresa | f | | 1714 | POL | 0.50 | 1 | -0.27 | 20 | -5.40 | |
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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