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Individual Calculations December 2023 |
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| Roosen, Stefan Total change: 25.40 | |   |
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| Brussels Open Fall 2023 Rounds 8-11 | Brussels | BEL | 2023-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1402 | 1611 | 2.00 | 3 | -0.27 | 20 | -5.40 | |
|  Tahari, Youcef Nazim | | | 1483 | BEL | 0.00 | 1 | -0.67 | 20 | -13.40 | |  Gonzalez Alvarez, Thomas | | | 1433 | BEL | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Desadeleer, Geoffrey | | | 1290 | BEL | 1.00 | 1 | 0.13 | 20 | 2.60 | |
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) | | | | Open Leuven 2023 | Leuven | BEL | 2023-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1731 | 1611 | 3.00 | 6 | 0.74 | 20 | 14.80 | |
| | Morton, Alistair T | | | 1349 | ENG | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Van Amerongen, Marleen | | | 2097 | NED | 0.00 | 1 | -0.04 | 20 | -0.80 | | | Paes, Martijn | | | 1949 | BEL | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Keppens, James | | | 1366 | BEL | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Cortenbach, Stan | | | 1840 | NED | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Aziz, Daniel | | | 1784 | NED | 1.00 | 1 | 0.73 | 20 | 14.60 | |
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) | | | | Belgian Interclubs 2023-2024 Round 4 | Various Places | BEL | 2023-11-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1849 | 1611 | 1.00 | 1 | 0.80 | 20 | 16.00 | |
| | Rauta, Nicolas | | | 1849 | BEL | 1.00 | 1 | 0.80 | 20 | 16.00 | |
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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