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Individual Calculations February 2023 |
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| Mohtaat, Homayoun Total change: 56.60 | |   |
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| Chessfestival Groningen 2022 Open B | Groningen | NED | 2022-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1786 | 1869 | 3.50 | 7 | -0.77 | 20 | -15.40 | |
|  Novak, Vjekoslav | | | 1749 | CRO | 1.00 | 1 | 0.34 | 20 | 6.80 | |  Broersma, Sven | | | 1757 | NED | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Bruening, Martin | | | 1688 | GER | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Boeren, Jurriaan | | | 1923 | NED | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Goudriaan, Rafael | | | 1771 | NED | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Wierenga, Jael | | | 1762 | NED | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Ritter, Uwe | | | 1855 | GER | 0.00 | 1 | -0.52 | 20 | -10.40 | |
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 |
| 1962 | 1871 | 7.00 | 9 | 3.60 | 20 | 72.00 | |
| | Kalle, Erwin | | | 2048 | NED | 1.00 | 1 | 0.73 | 20 | 14.60 | | | Mehra, Roger | | | 1942 | NED | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Van Der Bent, Gideon | | | 1956 | NED | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Spruit, Paul | | | 2013 | NED | 0.00 | 1 | -0.31 | 20 | -6.20 | | | De Ruiter, Thomas | | | 1989 | NED | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Montsma, Foppe-Jan | | | 1845 | NED | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Boeren, Jurriaan | | | 1917 | NED | 1.00 | 1 | 0.56 | 20 | 11.20 | | | Huijzer, Joop | | | 2000 | NED | 1.00 | 1 | 0.67 | 20 | 13.40 | | | Borst, Filip | | | 1952 | NED | 1.00 | 1 | 0.61 | 20 | 12.20 | |
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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