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Individual Calculations February 2023 |
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| Kovchan, Alexander Total change: -5.90 | |   |
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| Chessfestival Groningen 2022 Open A | Groningen | NED | 2022-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2286 | 2450 | 5.50 | 9 | -0.59 | 10 | -5.90 | |
|  Pal, Rohan | | | 2050 * | ENG | 1.00 | 1 | 0.08 | 10 | 0.80 | |  Ratsma, Midas | f | | 2218 | NED | 0.00 | 1 | -0.79 | 10 | -7.90 | | | Levitan, Ronit | | wf | 1972 | ISR | 1.00 | 1 | 0.05 | 10 | 0.50 | | | Elgersma, Onno | f | | 2291 | NED | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Van Der Hagen, Loek | | | 2145 | NED | 1.00 | 1 | 0.14 | 10 | 1.40 | | | Poetsch, Hagen | g | | 2478 | GER | 0.50 | 1 | 0.04 | 10 | 0.40 | | | Pranav, Anand | g | | 2512 | IND | 0.50 | 1 | 0.09 | 10 | 0.90 | | | Lahaye, Rick | | | 2435 | NED | 0.00 | 1 | -0.52 | 10 | -5.20 | | | Zwirs, Nico | m | | 2474 | NED | 0.50 | 1 | 0.03 | 10 | 0.30 | | | * 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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