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Individual Calculations February 2023 |
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| Bergshoeff, Bert Total change: -15.40 | |   |
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| Chessfestival Groningen 2022 Open C | Groningen | NED | 2022-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1414 | 1595 | 3.50 | 7 | -1.49 | 20 | -29.80 | |
|  Bottema, Mila | | | 1350 | NED | 1.00 | 1 | 0.20 | 20 | 4.00 | |  Levitan, Liel | | | 1319 | ISR | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Alzaid, Zaid | | | 1270 | KUW | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Gohil, Viaan | | | 1426 | NED | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Gerdes, Jesko | | | 1264 | GER | 0.50 | 1 | -0.38 | 20 | -7.60 | | | Jorritsma, Johan | | | 1572 | NED | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Pompstra, Henk | | | 1696 | NED | 1.00 | 1 | 0.64 | 20 | 12.80 | |
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 |
| 1486 | 1595 | 6.50 | 9 | 0.72 | 20 | 14.40 | |
| | Farel, Edgard | | | 1547 | GER | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Van Dijk, Menno | | | 1590 | NED | 1.00 | 1 | 0.49 | 20 | 9.80 | | | Pot, Hans | | | 1490 | NED | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Buschman, Marten | | | 1470 | NED | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Veelenturf, Wim | | | 1518 | NED | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Pathak, Raghav | | | 1309 | NED | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Bellamy, Linda | | | 1439 | NED | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Koopmans, Perry | | | 1592 | NED | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Hogervorst, Paul | | | 1423 | NED | 0.50 | 1 | -0.23 | 20 | -4.60 | |
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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