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Individual Calculations February 2024 |
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| Gijsbers, Joop Total change: -11.60 | |   |
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| Chessfestival Groningen 2023 Compact BCD | Groningen | NED | 2023-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1586 | 1538 | 2.00 | 5 | -0.18 | 20 | -3.60 | |
|  Rutten, David | | | 1694 | NED | 0.00 | 1 | -0.29 | 20 | -5.80 | |  Luijkx, Dagmar | | | 1443 | NED | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Krijnen, Wim | | | 1451 | NED | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Braun, Eric | | | 1649 | NED | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Reintke, Erwin | | | 1692 | NED | 0.00 | 1 | -0.29 | 20 | -5.80 | |
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 Chess 204 - Weekday three-round event | Wijk aan Zee | NED | 2024-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1473 | 1538 | 1.50 | 2 | 0.32 | 20 | 6.40 | |
| | Boezewinkel, Johan | | | 1485 | NED | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Booy, Willem | | | 1460 | NED | 1.00 | 1 | 0.39 | 20 | 7.80 | |
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 Chess 204 - Nine-round event | Wijk aan Zee | NED | 2024-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1516 | 1538 | 3.50 | 8 | -0.72 | 20 | -14.40 | |
| | Hartog, Ed | | | 1401 | NED | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Bellamy, Linda | | | 1455 | NED | 0.00 | 1 | -0.61 | 20 | -12.20 | | | Van Diepen, Peter | | | 1528 | NED | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Van Etten, Cor | | | 1637 | NED | 1.00 | 1 | 0.64 | 20 | 12.80 | | | Jean, Robert | | | 1452 | FRA | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Harmse, Paul | | | 1587 | NED | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Marcelis, Ronald | | | 1502 | NED | 0.00 | 1 | -0.55 | 20 | -11.00 | | | Gorissen, Ad | | | 1567 | NED | 0.50 | 1 | 0.04 | 20 | 0.80 | |
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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