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Individual Calculations September 2023 |
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| Elgersma, Onno Total change: 3.00 | |   |
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| HZ University of Applied Sciences Chess Tournament 2023 | Vlissingen | NED | 2023-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2114 | 2256 | 6.50 | 9 | 0.46 | 20 | 9.20 | |
|  Macquoy, Ruben | | | 1856 * | BEL | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Verweij, David | | | 1931 | NED | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Vrolijk, Liam | g | | 2558 | NED | 0.00 | 1 | -0.15 | 20 | -3.00 | | | Verhoeven, Robin | | | 1991 | NED | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Bazilius, Augustinas | c | | 2052 | LTU | 0.50 | 1 | -0.26 | 20 | -5.20 | | | Loef, Dirk | c | | 2082 | GER | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Pham, Khoi | f | | 2361 | NED | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Van Der Zalm, Marnix | | | 2083 | NED | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Hu, Yu A. | | | 2108 | CHN | 1.00 | 1 | 0.30 | 20 | 6.00 | | | * 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) | | | | Brugse Meesters 2023 Open - Belgian Championship 2023 Open A | Brugge | BEL | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2026 | 2256 | 5.50 | 8 | -0.71 | 20 | -14.20 | |
| | Woltery, Nicolai | | | 1894 | ENG | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Van Coppenolle, Lander | | | 1884 | BEL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Verboven, Wout | | | 1998 | BEL | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Vihan, Shourya | | | 1979 | GER | 1.00 | 1 | 0.17 | 20 | 3.40 | | | De Boer, Bas | | | 2155 | NED | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Nemegeer, Arne | | | 2069 | BEL | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Meulders, Richard | f | | 2142 | BEL | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Vantorre, Nils | | | 2086 | BEL | 1.00 | 1 | 0.28 | 20 | 5.60 | |
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) | | | | RSB Open 2023 | Rotterdam | NED | 2023-08-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1925 | 2256 | 3.00 | 3 | 0.40 | 20 | 8.00 | |
| | Lee, Jungmin | | | 1856 * | NED | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Van Toor, Kees | | | 1883 | NED | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Sturm, Pieter | | | 2037 | NED | 1.00 | 1 | 0.22 | 20 | 4.40 | | | * 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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