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Individual Calculations September 2023 |
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| De Winter, Arthur Total change: 33.30 | |   |
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| Dutch Open Championship 2023 | Dieren | NED | 2023-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2348 | 2378 | 5.50 | 9 | 0.80 | 10 | 8.00 | |
|  Noordenbos, Daan | | | 2077 | NED | 0.50 | 1 | -0.35 | 10 | -3.50 | |  Van Kuijk, Vadim | | | 1997 | NED | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Labruyere, Roger | | | 2191 | NED | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Beerdsen, Thomas | m | | 2520 | NED | 1.00 | 1 | 0.69 | 10 | 6.90 | | | Sankalp, Gupta | g | | 2497 | IND | 0.50 | 1 | 0.16 | 10 | 1.60 | | | Beukema, Stefan | m | | 2435 | BEL | 1.00 | 1 | 0.58 | 10 | 5.80 | | | Warmerdam, Max | g | | 2607 | NED | 0.00 | 1 | -0.21 | 10 | -2.10 | | | Zwirs, Nico | m | | 2443 | NED | 0.00 | 1 | -0.41 | 10 | -4.10 | | | Van Delft, Merijn | m | | 2369 | NED | 0.50 | 1 | -0.01 | 10 | -0.10 | |
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) | | | | Jubilaeumsnormenturnier SV Erkenschwick 2023 | Oer-Erkenschwick | GER | 2023-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2402 | 2360 | 6.50 | 9 | 2.53 | 10 | 25.30 | |
| | Koellner, Ruben Gideon | m | | 2478 | GER | 1.00 | 1 | 0.66 | 10 | 6.60 | | | Meshkovs, Nikita | g | | 2544 | LAT | 0.50 | 1 | 0.24 | 10 | 2.40 | | | Lanka, Zigurds | g | | 2387 | LAT | 1.00 | 1 | 0.54 | 10 | 5.40 | | | Krastev, Alexander | m | | 2411 | GER | 1.00 | 1 | 0.57 | 10 | 5.70 | | | Willemze, Thomas | m | | 2371 | NED | 0.00 | 1 | -0.48 | 10 | -4.80 | | | Spriestersbach, Kai | | | 2167 | GER | 1.00 | 1 | 0.25 | 10 | 2.50 | | | Royal, Shreyas | m | | 2402 | ENG | 0.00 | 1 | -0.44 | 10 | -4.40 | | | Berelowitsch, Alexander | g | | 2492 | GER | 1.00 | 1 | 0.68 | 10 | 6.80 | | | Besou, Hussain | f | | 2364 | GER | 1.00 | 1 | 0.51 | 10 | 5.10 | |
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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