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Individual Calculations June 2023 |
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| Suder, Ryszard Total change: -31.60 | |   |
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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 |
| 1846 | 2044 | 1.50 | 3 | -0.74 | 20 | -14.80 | |
|  Atanasov, K.sande | | | 1778 | MKD | 1.00 | 1 | 0.18 | 20 | 3.60 | |  Patev, Petko | | | 1796 | BUL | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Olivera Gutierrez, Albert | | | 1965 | ESP | 0.50 | 1 | -0.11 | 20 | -2.20 | |
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) | | | | Final Mistrzostw Polski Niewidomych i Slabowidzacych w szachach 2023 | Wisla | POL | 2023-05-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1933 | 2011 | 4.50 | 9 | -0.84 | 20 | -16.80 | |
| | Dukaczewski, Piotr | m | | 2091 | POL | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Spionkowski, Fabian | | | 1682 | POL | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Wolanski, Michal | | | 1978 | POL | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Migala, Andrzej | | | 1922 | POL | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Chojnowski, Marcin | | | 2035 | POL | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Stachanczyk, Jacek | m | | 2147 | POL | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Pawelec, Bartosz | | | 1937 | POL | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Debowska, Teresa | f | | 1714 | POL | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Falkowski, Dawid | | | 1895 | POL | 0.50 | 1 | -0.16 | 20 | -3.20 | |
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) | | |
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