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Individual Calculations February 2023 |
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| Van Der Hagen, Loek Total change: 127.20 | |   |
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| Chessfestival Groningen 2022 Open A | Groningen | NED | 2022-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2273 | 2145 | 5.00 | 9 | 1.92 | 40 | 76.80 | |
|  Westerlaan, Sander | | | 1954 | NED | 1.00 | 1 | 0.25 | 40 | 10.00 | |  Macak, Stefan | m | | 2361 | SVK | 0.50 | 1 | 0.28 | 40 | 11.20 | | | De Jong, Migchiel | m | | 2336 | NED | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Grutter, Tim | f | | 2363 | NED | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Kovchan, Alexander | g | | 2450 | UKR | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Van Meegen, Ruud | f | | 2287 | NED | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Lahaye, Rick | | | 2435 | NED | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Levitan, Ronit | | wf | 1972 | ISR | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Van Roon, Sjoerd | f | | 2297 | NED | 0.50 | 1 | 0.20 | 40 | 8.00 | |
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) | | | | Tata Steel Tienkampen 2023 | Wijk aan Zee | NED | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2092 | 2161 | 6.00 | 8 | 1.26 | 40 | 50.40 | |
| | Vlaming, Jos | | | 2055 | NED | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Van Geffen, Ben | | | 2011 | NED | 0.50 | 1 | -0.20 | 40 | -8.00 | | | Ercan, Selman | | | 2056 | NED | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Straver, Robert | | | 2161 | NED | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Ghijsen, Pim | | | 2089 | NED | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Matzat, Andre | | | 2073 | GER | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Grondsma, Mark | | | 2144 | NED | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Boelhouwer, Collin | | | 2146 | NED | 0.00 | 1 | -0.52 | 40 | -20.80 | |
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) | | |
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