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Individual Calculations June 2023 |
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| Slagboom, Leandro Total change: 20.30 | |   |
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| Dutch Championship 2023 - U18 | Almelo | NED | 2023-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2050 | 2228 | 3.50 | 6 | -0.65 | 35 | -22.75 | |
|  Van Rootselaar, Rik | | | 1812 | NED | 1.00 | 1 | 0.07 | 35 | 2.45 | |  Van Kuijk, Vadim | | | 1968 | NED | 0.00 | 1 | -0.82 | 35 | -28.70 | | | Moskalets, Sofiia | | | 1828 * | UKR | 0.50 | 1 | -0.42 | 35 | -14.70 | | | Achuthan, Dylan | | | 2045 | NED | 1.00 | 1 | 0.26 | 35 | 9.10 | | | De Winter, Arthur | f | | 2374 | NED | 1.00 | 1 | 0.70 | 35 | 24.50 | | | Van Der Hagen, Loek | f | | 2273 | NED | 0.00 | 1 | -0.44 | 35 | -15.40 | | | * 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) | | | | Weekendtoernooi Groninger Combinatie 2023, NOSBO kampioenschap | Groningen | NED | 2023-05-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1999 | 2250 | 5.50 | 7 | 0.08 | 35 | 2.80 | |
| | Van De Poel, Taco | | | 1854 | NED | 0.50 | 1 | -0.42 | 35 | -14.70 | | | Aden, Dagmar | | | 1850 * | GER | 1.00 | 1 | 0.08 | 35 | 2.80 | | | Basinas, Konstantinos | | | 1902 | LUX | 0.50 | 1 | -0.39 | 35 | -13.65 | | | Kazarjan, Gachatur | | | 1906 | NED | 1.00 | 1 | 0.12 | 35 | 4.20 | | | Jacobs, Florian | | | 2227 | NED | 0.50 | 1 | -0.03 | 35 | -1.05 | | | Westerlaan, Sander | | | 1960 | NED | 1.00 | 1 | 0.16 | 35 | 5.60 | | | De Boer, Eelke | f | | 2293 | NED | 1.00 | 1 | 0.56 | 35 | 19.60 | | | * 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) | | | | 15th BPB Limburg Open 2023 Group A | Maastricht | NED | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2323 | 2250 | 4.00 | 7 | 1.15 | 35 | 40.25 | |
| | Zwirs, Nico | m | | 2447 | NED | 0.50 | 1 | 0.25 | 35 | 8.75 | | | Lahaye, Rick | | | 2427 | NED | 0.50 | 1 | 0.23 | 35 | 8.05 | | | Thinius, Marco | m | | 2351 | GER | 1.00 | 1 | 0.64 | 35 | 22.40 | | | Schroeder, Jan-Christian | g | | 2553 | GER | 0.50 | 1 | 0.36 | 35 | 12.60 | | | Arnold, Rhys | | | 2016 | NED | 0.50 | 1 | -0.29 | 35 | -10.15 | | | Ismail, Tamer | | | 2123 | BEL | 1.00 | 1 | 0.33 | 35 | 11.55 | | | Maatman, Nick | m | | 2345 | NED | 0.00 | 1 | -0.37 | 35 | -12.95 | |
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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