Individual Calculations February 2023 |
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Gijsbers, Joop Total change: -9.80 | | |
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Chessfestival Groningen 2022 Compact | Groningen | NED | 2022-12-26 |
Rc | Ro | w | n | change | K | K*chg | Game |
1521 | 1553 | 2.00 | 4 | -0.18 | 20 | -3.60 | |
| De Boer, Sake Jan | | | 1490 | NED | 0.00 | 1 | -0.59 | 20 | -11.80 | | Krijnen, Wim | | | 1492 | NED | 1.00 | 1 | 0.42 | 20 | 8.40 | | Riedstra, Symon | | | 1606 | NED | 0.00 | 1 | -0.43 | 20 | -8.60 | | Molenhuis, Ties | | | 1497 | 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) | | Tata Steel Tienkampen 2023 | Wijk aan Zee | NED | 2023-01-20 |
Rc | Ro | w | n | change | K | K*chg | Game |
1515 | 1553 | 3.00 | 6 | -0.31 | 20 | -6.20 | |
| Kruisselbrink, Leo | | | 1403 | NED | 1.00 | 1 | 0.30 | 20 | 6.00 | | Huson, Hans | | | 1533 | NED | 1.00 | 1 | 0.47 | 20 | 9.40 | | Jonkman Inza, Amelia Marry | | | 1431 | PER | 0.00 | 1 | -0.67 | 20 | -13.40 | | Visser, Wouter | | | 1601 | NED | 0.00 | 1 | -0.43 | 20 | -8.60 | | De Koning, Patrick | | | 1543 | NED | 0.00 | 1 | -0.51 | 20 | -10.20 | | Sijm, Henk | | | 1576 | NED | 1.00 | 1 | 0.53 | 20 | 10.60 | | 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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