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Individual Calculations February 2023 |
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| Van Der Werf, Mark Total change: -19.90 | |   |
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| Tata Steel Qualifiers 2023 | Wijk aan Zee | NED | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2370 | 2412 | 3.00 | 9 | -1.99 | 10 | -19.90 | |
|  Lopez, Jasel | m | | 2434 | ARU | 0.50 | 1 | 0.03 | 10 | 0.30 | |  Culum, Sanjin | f | | 2242 | BIH | 0.00 | 1 | -0.72 | 10 | -7.20 | | | Van Dael, Siem | f | | 2291 | NED | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Pham, Khoi | f | | 2353 | NED | 0.50 | 1 | -0.08 | 10 | -0.80 | | | Martins, Vinicius Tine | f | | 2320 | BRA | 1.00 | 1 | 0.37 | 10 | 3.70 | | | Zwirs, Nico | m | | 2467 | NED | 0.00 | 1 | -0.42 | 10 | -4.20 | | | De Winter, Arthur | f | | 2371 | NED | 0.50 | 1 | -0.06 | 10 | -0.60 | | | Pijpers, Arthur | m | | 2445 | NED | 0.00 | 1 | -0.45 | 10 | -4.50 | | | Beukema, Stefan | m | | 2411 | BEL | 0.00 | 1 | -0.50 | 10 | -5.00 | |
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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