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Individual Calculations June 2023 |
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| Stachanczyk, Jacek Total change: -23.60 | |   |
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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 |
| 1977 | 2159 | 5.00 | 8 | -0.83 | 20 | -16.60 | |
|  Selkovski, Zarko | | | 1920 | MKD | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Schellmann, Frank | c | | 1936 | GER | 0.50 | 1 | -0.28 | 20 | -5.60 | |  Jandric, Damjan | c | | 2110 | SRB | 0.00 | 1 | -0.57 | 20 | -11.40 | | | Znuderl, Matej | | | 1838 | SLO | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Vela Ignacio, Jose Manuel | | | 1974 | ESP | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Shepelev, Igor | | | 2076 | UKR | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Radovilsky, Yan | | | 2014 | ISR | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Dima, Mihai | | | 1944 | ROU | 1.00 | 1 | 0.23 | 20 | 4.60 | |
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 |
| 1926 | 2147 | 6.50 | 9 | -0.35 | 20 | -7.00 | |
| | Pawelec, Bartosz | | | 1937 | POL | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Debowska, Teresa | f | | 1714 | POL | 1.00 | 1 | 0.06 | 20 | 1.20 | | | Falkowski, Dawid | | | 1895 | POL | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Dukaczewski, Piotr | m | | 2091 | POL | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Spionkowski, Fabian | | | 1747 * | POL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Suder, Ryszard | | | 2011 | POL | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Migala, Andrzej | | | 1922 | POL | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Chojnowski, Marcin | | | 2035 | POL | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Wolanski, Michal | | | 1978 | POL | 1.00 | 1 | 0.28 | 20 | 5.60 | | | * 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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