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Individual Calculations November 2023 |
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| Perttula, Juha Total change: -8.00 | |   |
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| 2023 IBCA World Individual Chess Championship for the Blind and Visually Impaired | Rhodes | GRE | 2023-10-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1801 | 1890 | 5.00 | 9 | -0.20 | 40 | -8.00 | |
|  Horbalova, Ivana | | | 1490 * | SVK | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Kofidis, Spyridon | | | 2103 | GRE | 1.00 | 1 | 0.77 | 40 | 30.80 | |  Dukaczewski, Piotr | m | | 2088 | POL | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Stachanczyk, Jacek | m | | 2065 | POL | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Madjeric, Miroslav | | | 1655 | CRO | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Clemente Llamero, Roberto | | | 2009 | ESP | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Balci, Muhammet | | | 1381 | TUR | 0.00 | 1 | -0.96 | 40 | -38.40 | | | Horbal, Jozef | | | 1613 | SVK | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Bozic, Sasa | | | 1803 | SRB | 1.00 | 1 | 0.38 | 40 | 15.20 | | | * 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) | | |
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