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Individual Calculations February 2023 |
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| Grutter, Tim Total change: -23.20 | |   |
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| Chessfestival Groningen 2022 Open A | Groningen | NED | 2022-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2179 | 2363 | 5.00 | 9 | -1.45 | 20 | -29.00 | |
|  Albers, Sasa | | | 2103 | NED | 0.50 | 1 | -0.32 | 20 | -6.40 | |  Tabak, Stefan | f | | 2129 | NED | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Nemec, Vjekoslav | c | | 2220 | CRO | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Van Der Hagen, Loek | | | 2145 | NED | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Wang, Ellen | | wm | 2020 | USA | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Levitan, Ronit | | wf | 1972 | ISR | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Maatman, Nick | m | | 2348 | NED | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Buckels, Valentin | m | | 2455 | GER | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Ratsma, Midas | f | | 2218 | NED | 0.50 | 1 | -0.19 | 20 | -3.80 | |
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) | | | | Tata Steel Tienkampen 2023 | Wijk aan Zee | NED | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2227 | 2370 | 6.50 | 9 | 0.29 | 20 | 5.80 | |
| | Fayard, Alain | f | | 2189 | FRA | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Marie, Maxime | c | | 2205 | FRA | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Van Den Dikkenberg, Erik | f | | 2130 | NED | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Baselmans, Luuk | f | | 2267 | NED | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Legemaat, Gert | | | 2228 | NED | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Haver, Bas | | | 2278 | NED | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Smits, Mark | f | | 2212 | NED | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Goes, Sten | | | 2220 | NED | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Wunnink, Michael | f | | 2312 | NED | 1.00 | 1 | 0.42 | 20 | 8.40 | |
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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