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Individual Calculations October 2023 |
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| Prakken, Gerrit Total change: 33.80 | |   |
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| Dutch Team Competition 2023-2024 - Klasse 1 Round 1 | Various | NED | 2023-09-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2222 | 2177 | 1.00 | 1 | 0.56 | 20 | 11.20 | |
|  Bottema, Tom | | | 2222 | NED | 1.00 | 1 | 0.56 | 20 | 11.20 | |
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) | | | | World Senior Team Chess Championship 2023 S65 | Struga | MKD | 2023-09-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2188 | 2177 | 5.50 | 9 | 1.13 | 20 | 22.60 | |
| | O Connor, Eddie | | | 1965 | IRL | 1.00 | 1 | 0.23 | 20 | 4.60 | |  Gruenfeld, Yehuda | g | | 2388 | ISR | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Wirthensohn, Heinz | m | | 2272 | SUI | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Legky, Nikolay A | g | | 2357 | FRA | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Miltner, Arndt | f | | 2253 | GER | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Ilic, Ljubomir | f | | 2044 | MKD | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Soderberg, Per | c | | 2135 | SWE | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Varley, Peter | f | | 2174 | WLS | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Wegerer, Fred | f | | 2101 | AUT | 0.50 | 1 | -0.10 | 20 | -2.00 | |
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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