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Individual Calculations September 2023 |
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| Rehak, Martin Total change: -1.80 | |   |
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| International Chess Holiday 2023 - M2 | Praha | CZE | 2023-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2054 | 1991 | 4.00 | 9 | 0.27 | 20 | 5.40 | |
|  Husa, Daniel | | | 2083 | CZE | 0.50 | 1 | 0.13 | 20 | 2.60 | |  Reichmann, Steffen | | | 1953 | GER | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Hozda, Max | | | 1985 | CZE | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Gunther, Andreas | | | 2065 | GER | 0.50 | 1 | 0.10 | 20 | 2.00 | | | Soural, Jan | | | 2176 | CZE | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Kalisky, Vladimir | | | 2145 | SVK | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Van Den Boogaart, Jan Maarten | | | 2087 | NED | 0.50 | 1 | 0.13 | 20 | 2.60 | | | Novak, Jindrich | | | 2047 | CZE | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Hurtak, Otto | | | 1948 | CZE | 0.50 | 1 | -0.06 | 20 | -1.20 | |
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) | | | | SUMMER PRAGUE OPEN 2023 - A - IM open | Praha | CZE | 2023-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1929 | 1991 | 2.50 | 5 | -0.36 | 20 | -7.20 | |
| | Migalko, Dmitriy | | | 1670 | CZE | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Schirm, Friedmar | | | 2235 | GER | 0.50 | 1 | 0.30 | 20 | 6.00 | | | Kanakova, Natalie | | wm | 2146 | CZE | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Shepherd, Tom | | | 1803 | ENG | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Bruessow, Nina | | | 1789 | SUI | 0.50 | 1 | -0.26 | 20 | -5.20 | |
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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