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Individual Calculations November 2023 |
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| Boer, Jan Total change: -7.60 | |   |
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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 |
| 1687 | 1661 | 3.00 | 7 | -0.38 | 20 | -7.60 | |
|  Kofidis, Spyridon | | | 2103 | GRE | 0.00 | 1 | -0.06 | 20 | -1.20 | |  Gooijers, Richard | | | 1282 | NED | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Wolanski, Michal | | | 1951 | POL | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Saez Gabikagogeaskoa, Oscar | | | 1910 | ESP | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Berginas, Sigitas | | | 1507 | LTU | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Bourdeau, Yvan | | | 1499 | CAN | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Gundogmus, Alaettin | | | 1558 | NED | 1.00 | 1 | 0.36 | 20 | 7.20 | |
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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